1986 Buick Century Estate Wagon V6-231 3.8L Recall and Technical Service Bulletin Titles
TSB Number & Issue Date TSB Title 86C6 MAY 86 Recall - CHMSL Wiring Harness Incorrectly Indexed
TSB Number & Issue Date TSB Title DCS8913POL MAY 89 Campaign - Temporary Reduction of P/S Assist
86C3 MAR 86 Campaign - Engine/ECM WIring Harness Misrouted
TSB Number & Issue Date TSB Title 00-03-10-002F APR 11 Wheels - Chrome Wheel Staining/Pitting/Corrosion
04-07-30-037E APR 11 A/T - Dexron®(R)-VI Fluid Information
10-08-50-003A MAR 11 Restraints - Driver/Passenger Seat Head Rest Information
99-08-51-007E MAR 11 Wheels/Tires - Refinishing Aluminum Wheels
11-00-90-001 MAR 11 Engine - GM dexos 1 and dexos 2(R) Oil Specifications
02-07-30-052G MAR 11 A/T - Fluid Oil Cooler Flush
99-08-51-001B MAR 11 Body - Paint-Less Dent Repair Recommendations
06-08-43-003C FEB 11 Glass/Body - Windshield Wiper Performance
09-09-40-001A FEB 11 Restraints - Seat Belt Warning Lamp On/Buckling Issues
01-08-42-001H JAN 11 Lighting - Exterior Lamp Condensation and Replacement
06-08-50-009F DEC 10 Restraints - Passenger Presence System Information
03-07-29-004G DEC 10 Manual Transmission - M/T Operating Characteristics
05-03-07-009C DEC 10 Steering/Suspension - Wheel Alignment Specifications
09-06-03-004D DEC 10 Electrical - MIL ON/DTC's Set By Various Control Modules
01-08-51-003B NOV 10 Body - Application of Anti-Corrosion Materials
04-06-04-054B NOV 10 Engine Controls - Aftermarket Accessory Usage
08-07-30-035B NOV 10 A/T - Water Or Coolant Contamination Information
05-06-04-022G OCT 10 Fuel System - TOP TIER Detergent Gasoline (Canada)
10-08-45-001B OCT 10 Electrical - Information For Electrical Ground Repair
00-08-48-005D SEP 10 Body - Vehicle Glass Distortion Information
04-08-50-006D SEP 10 Interior - Seat Cover Wrinkle/Crease/Burn Info
10-08-98-002 AUG 10 Body - Drilling High Strength Steel Using CryoCobalt(R)
03-00-89-008E JUL 10 Body - Metal Body Panel Corrosion Protection
06-08-51-005A JUN 10 Body - Hem Flange Sealer For Corrosion Protection
03-08-98-002B JUN 10 Body - Squeeze Type Resistance Spot Welding/Equipment
07-06-04-019D JUN 10 Electrical - Intermittent MIL/DTC P2138/Reduced Power
99-09-40-005F JUN 10 Restraints - Extender Availability For Seat Belt
02-08-42-001D JUN 10 Lighting - Headlamp Polycarbonate Lens Damage Prevention
06-03-10-010A JUN 10 Wheels - Changing Procedures/Precautions
10-00-89-010 MAY 10 Locks - Key Code Security Rules and Information
00-03-10-006F MAY 10 Wheels/Tires - Tire Radial Force Variation (RFV)
04-06-01-029E APR 10 Vehicle - Engine Crankcase and Subsystems Flushing Info.
05-03-10-003F APR 10 Tires/Wheels - Low Tire/Leaking Cast Aluminum Wheels
04-03-10-001F APR 10 Tires/Wheels - Tire Puncture Repair Procedures
05-03-10-020C APR 10 Wheels/Tires - Use of Nitrogen Gas in Tires
10-08-110-001 MAR 10 Interior - Proper Use of Floor Mats
01-07-30-042F FEB 10 A/T - 2-3 Upshift or 3-2 Downshift Clunk Noise
00-06-01-026C FEB 10 Engine - Intake Manifold Inspection/Replacement
09-03-10-017 DEC 09 Wheels/Tires - Replacement Wheel Weight Information
99-04-20-002F NOV 09 Drivetrain - Clunk Noise Shifting From PARK Into Gear
06-08-64-001B OCT 09 Body - Side Window Chipping Information
05-03-08-002C OCT 09 Suspension - Shock Absorber/Strut Leakage Information
06-08-111-004B SEP 09 06-08-111-004B - BULLETIN CANCELLATION NOTIFICATION
09-08-48-006 SEP 09 Body - Stain/Film On Windshield Glass Perimeter
04-06-04-047I AUG 09 Fuel System - 'TOP TIER' Detergent Gasoline Information
03-03-10-007E AUG 09 Wheels/Tires - OE Tire/Wheel Characteristics
99-08-64-016C JUL 09 Body - Maintaining Exterior Weatherstrip Appearance
08-06-01-008A JUL 09 Engine - Drive Belt Misalignment Diagnostics
07-06-01-016B JUL 09 Engine - Noise/Damage Oil Filter Application Importance
08-03-10-004A JUL 09 Wheels/Tires - Accessory Wheel & Tire Information
08-08-42-005B JUN 09 Lighting - Headlamp Warranty Replacement Guideline
08-08-42-005B JUN 09 Lighting - Headlamp Replacement Information
06-08-44-015B MAY 09 Audio System - Noise When Using Portable Playback Unit
08-03-10-005A MAR 09 Wheels/Tires - Chrome/Steel Valve Stem Cap Precautions
09-08-48-002A MAR 09 Body - Marks/Stains on Windshield When Wet
02-08-98-002C FEB 09 Body - Hem Flange Rust Repair Information
00-00-90-002J JAN 09 Tires - Correct Inflation Pressure Information
00-00-89-027E SEP 08 Interior - Elimination Of Unwanted Odors
05-03-10-005D SEP 08 Wheels/Tires - Upsized Wheel/Tire Characteristics
08-08-44-026 AUG 08 Audio System - Refurbishing Radio Faceplates/Knobs
05-06-02-001A JUL 08 Cooling System, A/C - Aluminum Heater Cores/Radiators
05-00-89-072B JUN 08 Engine/Fuel System - Oil/Fuel Additive Information
08-07-30-027 JUN 08 A/T - No Movement in Drive or 3rd Gear
99-07-30-030F MAY 08 A/T - Grinding/Growling Noise in Park on Incline
00-06-01-012C APR 08 Engine - Use of 'Surface Conditioning Disks'
08-07-30-017 APR 08 A/T - 4L60, Revised Sprag/Forward Clutch Hub
08-08-51-002 MAR 08 Body - TPO Fascia Cleaning Prior to Painting
08-09-41-003 FEB 08 Restraints - Usage of Used/Salvaged/Imitation Components
05-00-89-078B FEB 08 Fuel System - GM Fuel System Treatment PLUS(R) Info.
06-06-04-035A FEB 08 Fuel System - E85 Fuel Usage Precaution
04-03-10-012B FEB 08 Wheels - Chrome Wheel Brake Dust Accumulation/Pitting
01-05-23-001B JAN 08 Brakes - Rotor Lateral Runout Correction Information
05-06-01-010B SEP 07 Engine - Sealant Usage/Procedures
07-08-45-002 SEP 07 Electrical - Aftermarket Fuse Warning
07-08-63-001 APR 07 Body - Polypropylene Energy Absorber Replacement
02-08-42-004A MAR 07 Instruments - Reduced PRNDL Display Visibility
04-07-30-013B FEB 07 Engine, A/T - Shift/Driveability Concerns/MIL ON
06-00-89-054 NOV 06 Warranty - Claims Submission
01-07-31-002B NOV 06 M/T - Hydraulic Clutch Bleeding Procedure Improvement
02-08-98-001C OCT 06 Body - Metal Panel Adhesive Bonding Information
00-06-02-006D AUG 06 Cooling System - Coolant Recycling Information
06-08-45-004 MAY 06 Electrical - Instrument Panel & General Wiring Repair
02-08-48-001B MAR 06 Body - Urethane Adhesives for Glass Applications
06-03-10-004 MAR 06 Tires/Wheels - Wheel Weight Usage Precautions
04-06-04-051B JAN 06 Fuel System - Fuel Injector Maintenance Cleaning
01-07-30-029 OCT 01 A/T - Core Return Product Feedback Form
01-00-89-009 MAY 01 Key/Key Number/Security Chip - Replacement
00-00-90-001 NOV 00 Suspension - Chassis Lubrication Importance
00-07-30-011 JUN 00 ACDelco(R) Remanufactured Transmissions - Program Update
00-05-22-004 MAY 00 Brake Fluid - Level & Filling Recommendations
00-06-04-021 MAY 00 EVAP System - Service of Connectors
99-00-84-021B APR 00 Warranty - GM Dealer Parts Procurement
99-09-40-008 JAN 00 Child Restraint - Auxiliary Seat Belt
99-09-40-006 JAN 00 Lap/Shoulder Belts - Dealer Installed Rear Kits
99-08-42-009 NOV 99 IP Dimmer Control - Proper Setting
99-06-02-017 OCT 99 Cooling - Radiator Repair/Replacement Guidelines
99-00-01-001 SEP 99 Engine - AC Delco Remanufactured Engines
99-03-10-102 JUN 99 Warranty - OE Chrome Plated Aluminum Wheel ID
99-08-49-006 APR 99 Instrument Panel - Upper Surface Reflection
99-06-03-002 MAR 99 Battery - Insulator Replacement & Caution
83-81-34 MAR 99 SIR - Operating Vehicle with Warning Light On
86-05-02 DEC 98 Warranty - Notice of Delayed Start Process
76-02-02A OCT 98 Drivetrain - Recommended Axle Lubricant
80-05-03 AUG 98 Warranty - Parts Warranty Special Claims B and C
82-05-02 MAY 98 Warranty - Request for Wholesale Authorization
87-61-24 APR 98 Engine - Surface Conditioning Discs Precautions
83-01-14 MAR 98 VIN Plate - Replacement Policy and Procedure
72-05-09 FEB 98 Warranty - GM Dealer Empowerment Program
82-05-01 FEB 98 Warranty - New Vehicle/Replacement Battery
73-50-37 JAN 98 Brakes - Rotor & Hub Flange Cleaning Tool Revision
72-05-12 JAN 98 Suspension - Shock Absorber/Strut Replacement Guidlines
72-05-14 JAN 98 Warranty - Enhanced Sublet Repair Policy
72-05-13 JAN 98 Warranty - Repair/Replace Policies & Procedures
72-05-07 DEC 97 Engines - ACDelco Remanufactured
48-05-02B DEC 97 Parts Expediting - Reimbursement Policy
72-05-11 DEC 97 Warranty - Rail Dust Removal & Chemical Spotting Labor
73-12-13 NOV 97 A/C - PureGuard 2 Operating Alert
62-05-02A NOV 97 Labor - Revised Operation Z1241/Personal Property Damage
72-05-02 AUG 97 A/T & M/T - AC Delco Remanufactured Transmissions
73-10-54 MAY 97 Windshield - Two-Part Urethane Adhesive For Installation
631208A APR 97 A/C - Tool And Equipment Maintenance
620504 APR 97 Warranty - Required Claim Submission Procedures
731204 FEB 97 A/C - Systems With R12 Or R134a Service Issue
731049 FEB 97 Body - Sealer Tape For Collision Repairs
649601 JAN 97 Compact Disc Players - CD Changer Loading Procedures
600503 JAN 97 Warranty - Repair and Claims Procedures
310503C DEC 96 Warranty - Claim Processing
631215 NOV 96 A/C Compressor Seal Washer - Reference Chart
610111 NOV 96 Key Code - Information
668304A SEP 96 Odometer/Speedometer - ACDelco Service Center Locations
400501A SEP 96 Warranty - Corporate Parts Return Program Instructions
68-05-03 JUN 96 Warranty - Goodwrench® Service Lifetime Service Guarantee
636532 MAY 96 Enhanced Emission Inspection Maintenance - Equipment
638111 APR 96 Headlamp Lens - Distortion Caused by Aiming Equipment
ATRATB339 JAN 96 A/T - Harsh Forward Engagement
516547 JAN 96 Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
536507 DEC 95 Enhanced Emission I/M - Program Update
538209 OCT 95 Daytime Running Lamp - Retrofit Kits
588302A JUL 95 Vehicle - AC Delco Locator Service, Electronics Exchange
570102 JUN 95 Fuel - Reformulated/Oxygenated Gasolines
580101 JUN 95 Vehicle - Use of a Diagnostic Worksheet
570502 JUN 95 Warranty Information Network System - Stage 2
531205 MAY 95 Contaminated R12 Refrigerant - Testing & Handling
436201B APR 95 Coolant - Information on Propylene Glycol Usage
570201 MAR 95 A/T - Dexron® III Fluid Introduction
533401A MAR 95 Service Manual - Rear Shock Absorber Torque Revision
431218A MAR 95 Tools - A/C Leak Detector Maintenance Kit Availability
516502 FEB 95 I/M Emissions Diagnostic Manual -Program
ATRATB301 JAN 95 A/T - 440T4/4T60 Late or No Upshift
ATRATB294 JAN 95 A/T - Drive Axle and Wheel Lug Nut Torque Specifications
436510 JAN 95 I/M 240 Program - Equipment Purchase
310503A JAN 95 Warranty - Claims Processing
435009 DEC 94 Brakes, Front - Pulsation Diagnosis, Correction, Repair
436507 DEC 94 Enhanced IM240 Program - Implementation Plan
431048 NOV 94 Glass - Adhesive Caulking Kit Revisions
436506 OCT 94 I/M 240 Repairs - Obtaining Technical Assistance
446501 OCT 94 PROM/MEMCAL - Identification Marks
431223 SEP 94 A/C Refrigerant - Contamination
410103 SEP 94 Campaign - Product Bulletin Numbering System
480502 AUG 94 Parts - Expediting Procedures
149301 JUL 94 Electrical - New Nickel Tape Shields Harnesses
433502 JUL 94 Tires - Speed Rated Information
400501 JUL 94 Warranty - Corporate Parts Return Program
436505 APR 94 Emission - Enhanced Inspection Maintenance Programs
477103 MAR 94 A/T - Transaxle Oil Filter Differences
033206 MAR 94 P/S - Reduced Assist When Cold
435001 FEB 94 Anti-Lock Brake - Aftermarket Products Usage Precaution
310504 FEB 94 Warranty - Recycled Engine Coolant Policy
331226 JAN 94 A/C - Retrofitting R-12 Vehicles to R-134A
ATRATB256 JAN 94 A/T - 440T4 Coast-Down Clunk
333303 JAN 94 Suspension - Torque Specification Revisions
383001 DEC 93 Steering - System Bleed Procedures
306502 OCT 93 Fuel - How Fuel Economy Is Determined
ATRATB179 JUL 93 A/T - THM Late or No Upshifts
349212R JUL 93 Audio - Radio Frequency Interference (RFI) Diagnosis/ID
93314 JUL 93 Cast Aluminum Wheels - Leaking
393504 JUL 93 Wheels - Sealing Leaking Cast Aluminum
9371 JUN 93 A/T - Servicing Vehicles With Contaminated ATF
9306 JUN 93 Engine - Recycling Used Oil Filters
316501R JUN 93 Tools - Introduction Of The Fuel Injector Tester
936E14 JUN 93 Tools - New Fuel Injection Tester
9319 MAY 93 A/C - R134A Refrigerant Information
93820 MAY 93 Insolation Diodes - Replacement Information
ATRATB165 APR 93 A/T - 440T4 No Upshift/Wrong Gear
9312 NOV 92 A/C Compressor Shaft Nut - Removal (Discontinued)
ATRATB141 NOV 92 A/T - 440T4 Channel Plate Gasket Blow-Out
93356D OCT 92 Engine - Miss, Hesitation, or Roughness
926E23 SEP 92 Fuel - Effect of Fuel Volatility On Driveability
92116 AUG 92 A/C - Information On the Use of Alternate Refrigerants
ATRATB120 JUL 92 A/T - 125/440 T4 Sprocket and Final Drive Identification
92317 JUL 92 Wheels (Steel) - Proper Changing Procedure
92113 JUN 92 A/C - Leak Test
9273T401 JUN 92 A/T - No Reverse, Slips In Low/Reverse
92312 APR 92 Wheels (Aluminum) - Coated Balance Weight Usage
9274T608 MAR 92 A/T - Harsh 3-2 Downshifts
ATRATB099 FEB 92 A/T - AXOD/E 44T4's and 125's Chain Stretch
9274T604 FEB 92 A/T - New Bottom Pan & Controlled Compression Gasket
9274T605 FEB 92 A/T - Service Replacement Transaxle Assembly SRTA Update
89833 JAN 92 Lights - New Twilight Sentinel Module Service Part
87POL1 DEC 91 87POL1 - 12/01/91
ATRATB086 DEC 91 A/T - 440T4 Harsh 3-2 Detent Downshift
921020 DEC 91 Locks - Door Lock Cylinders Bind, Sticks
ATRATB078 NOV 91 A/T - How To Use A Pressure Gauge
876E30 NOV 91 Engine - Chuggle At 35-45 MPH
9272 OCT 91 A/T - New Transmission/Transaxle Fluid
ATRATB071B SEP 91 A/T - 440T4/4T60 Spacer Plate Matching
ATRATB070 SEP 91 A/T - Early Upshift/No Kickdown
9173 SEP 91 A/T - Evaluating Peened Spacer Plates
9274T603 SEP 91 A/T - Revised End Play Specifications
90614 SEP 91 Engine - Oil Leak at Rear Main Seal
ATRATB067 AUG 91 A/T - 440T4 No Line Pressure Rise
9174T6015 AUG 91 A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
9147T6013 JUN 91 A/T - 4T60 New 1-2 and Reverse Bands
9174T6012 MAY 91 A/T - New Band Assemblies
ATRATB048 MAY 91 A/T - 125C Uncontrolled Lock-Up, Kills Engine At Stop
9114 APR 91 A/C System - Refrigerant Loss Prevention
ATRATB046 APR 91 A/T - Diagnosing Converter Lock-Up Problems
9105 APR 91 Instrument Panel - Upper Surface Cleaning
916D5 MAR 91 Battery - Dead Due to Excessive Current Draw
911019 MAR 91 Body - Alignment Dimensions Changed
9138 MAR 91 Power Steering - Reduced Assist At Low Temperatures
9173T404 FEB 91 A/T - 3T40 New Roller Clutch
9174T607 JAN 91 A/T - 4T60/4T60E 3rd Clutch Plate Identifier Markings
9174T608 JAN 91 A/T - New Thermo Element/Setting Procedure
90512 JAN 91 Disc Brakes - Service Information
9104 JAN 91 Wipers - Chattering Blades or Poor Wipeability
911010 DEC 90 Wheels - Clear Coat Scratch Removal
916E4 NOV 90 Connector Terminals - Contact Checking Procedure
9164 NOV 90 Main/Connecting Rod Bearing - Clearance Revision
9174405 OCT 90 A/T - 4T60 Slips/No 3rd Gear/No Drive/Reverse
ATRATB028 OCT 90 A/T - Engine Vacuum Testing
9171 OCT 90 A/T - THM 440T4/4T60E New Clutch Plates
9171253 OCT 90 A/T- 3T40 New Side Cover and Bottom Pan Gasket
916E2 OCT 90 Emissions Testing Vehicle Preconditioning
ATRATB010 SEP 90 A/T - Torque Converter Identification
906E15 SEP 90 MAP - Revised Chart C-1D, DTC's 33, 34, 63, 64
ATRATB017 JUL 90 A/T - 440T4 Wiring Schematics
9174402 JUL 90 A/T - 4T60 Oil Pan Bolt Leaks
9131 JUL 90 Aluminum Wheel - Coated Wheel Weights
876E29 JUL 90 Stall Diagnosis Guidelines - Available
90510 JUL 90 Tools - On-Vehicle Brake Lathe Cutting Tips
ATRATB014 JUN 90 A/T - 440T4 2-3 Bind-Up/Slips
90744012 JUN 90 A/T - Harsh Shift, Double Bump, or Shudder
9191 JUN 90 Accessories (Aftermarket) - Installation Guidelines
9067 JUN 90 Engine Drive Belt - Chirp or Squeal
90744011 MAY 90 A/T - 1-2 Slip or Shudder, 2nd Gear Slip, or No 2nd Gear
906D4 MAY 90 Cooling Fan - Diagnosis for Running Battery Dead
916B1 MAY 90 Reconstituted Antifreeze - Coolant Testing
9073A APR 90 A/T - Drive Link Wear Specification Revised
9074407A APR 90 A/T - Harsh Shift Conditions
9074409 APR 90 A/T - Intermittent Delayed Upshifts
9074408 APR 90 A/T - New 1-2 Band Assembly Does Not Require Stop
906D2 APR 90 Battery - Revised Ammeter Connecting (Parasitic Drain)
9065 MAR 90 Oil Filter (75 mm) - Proper Installation
ATRATB9002006 FEB 90 A/T - Choosing the Right ATF
89712513 NOV 89 A/T - Slips In First or No First Gear
90109 NOV 89 Carpet Inserts - Loose
ATRATB8930 OCT 89 A/T - Math Part II
9071251 OCT 89 A/T - Revised Direct Clutch Housing
8907 OCT 89 Fuel - Use of MTBE At 15% or Less In Gasolines
89115 SEP 89 A/C - CFC Reduction & Refrigerant Recovery/Recycling
ATRASIL8930 SEP 89 A/T - 440T4 Input Sprag Replacement
ATRATB8927 SEP 89 A/T - Twenty Steps To Successful Repairs
906B1 SEP 89 Cooling System - Reconstituted Antifreeze
ATRATB8923 AUG 89 A/T - Math Formulas Part I
86510 JUL 89 Brakes - Longer Pedal Travel
891022 JUL 89 Paint - Diagnosis & Repair For Chipping
ATRASIL8924 JUN 89 A/T - 3T40/THM 125C Intermittent or No TCC Apply
ATRATB8917 JUN 89 A/T - 440T4 Converter Regulator Spring Update
ATRATB8920 JUN 89 A/T - 440T4 Lock Up And Cruise Control Problems
8974408 JUN 89 A/T - Intermittent Loss of Drive
8975 JUN 89 A/T - New R&R Final Drive Pinion Gear Washers & Sun Gear
87744019 JUN 89 A/T - Torque Converter Condition Diagnosis
88POL4A JUN 89 P/S - Temporary Reduction of Assist When Cold (Updated)
8971258 MAY 89 A/T - Diagnosis Information, Lo-Reverse Clutch
89814 MAY 89 Electrical - Wiring Repair Temp Range Precaution
88POL4 MAY 89 P/S - Temporary Reduction of Assist When Cold
89317 MAY 89 Steering - Power Rack & Pinion Gear Service Information
ATRATB899 APR 89 A/T - 440T4 Converter Clutch Shudder
8974406 APR 89 A/T - No 3RD Gear (New Thrust Bearing)
87744018 APR 89 A/T - THM 440-T4 Harsh or Firm 2-3 Upshifts.
8972 APR 89 Drivetrain - New Seal Protector for Drive Axle R&R
89315 APR 89 P/S - Proper Fluid Usage, Do not use ATF
ATRATB896 MAR 89 A/T - 440T4 Reverse Reaction Plate/Valve Body Strap
8996 MAR 89 Audio - Poor Radio Reception, Antenna Coaxial Terminal
896E8 MAR 89 Engine Controls - Use of Crank Sensor Adjusting Tool
88325 MAR 89 Steering - Reduced Power Steering Assist
ATRASIL896 FEB 89 A/T - 3T40/THM 125C Forward Drum Design Changes
ATRATB895 FEB 89 A/T - 440T4 Soft/Slipping 1-2 Upshift Flare
896D2 FEB 89 Battery - Use High Charger Setting to Recharge
8915 JAN 89 A/C - System Description & Diagnostic Procedure
ATRATB893 JAN 89 A/T - 4T60/440T4 Model Code Information
8966 JAN 89 Engine Coolant - Substitutes Not Recommended
896C8 JAN 89 Fuel - Pump Replacement Caution, Strainer
8937 JAN 89 Wheels - Cast Aluminum Wheel - Porosity Repairs
8938 JAN 89 Wheels - Nylon Coated Wheel Weights
ATRATB8852 DEC 88 A/T - 440T4 TCC Applies With 1-2 Upshift
ATRATB8851 DEC 88 A/T - THM 125C Model Code Information
8974401 NOV 88 A/T - Harsh Engagement or Double Bump From P or N to R
ATRASIL8838 NOV 88 A/T - THM 125C Sticking TCC Solenoids
89358 NOV 88 Battery - Diagnosis and Charging
8952 NOV 88 Brakes - New Restricted Brake Fluid Passage Diagnosis
88517 NOV 88 Brakes - Pulsation
896C2 NOV 88 Fuel - Feed/Return Pipe Repairs
881051 NOV 88 Tail Lamp - New Service moldings
ATRATB8844 OCT 88 A/T - 440T4 Harsh 3-2 Downshift
88117 SEP 88 A/C - Compressor Lines Reversed During Service
8774407A SEP 88 A/T - 1st-2nd Gear Shift Shudder
8771256A SEP 88 Engine - Stalling While Shifting Into Reverse or Drive
886C5 SEP 88 Fuel System - Pump Noise Heard Inside Cabin
881043 SEP 88 Seats - Bench Type Adjuster Binding
88821 SEP 88 Stop Light - Blown Fuse
ATRASIL8828 AUG 88 A/T - 440T4 Buzzing Noise
ATRASIL8829 AUG 88 A/T - 440T4 Improved Shift Feel/2nd Clutch
881036 AUG 88 Power Lock - Tailgate Will Not Fully Unlock
ATRATB8833 JUL 88 A/T - 440T4 Bind-Up In All Gears
ATRATB8834 JUL 88 A/T - Sprag Rotation
ATRATB8832 JUL 88 A/T - THM Steel Clutch Piston Inspection
88319 JUL 88 Steering - Identifying Rack and Pinion Noises
88318 JUL 88 Steering - Split Rings For Rack and Pinion
ATRATB8827 JUN 88 A/T - 440T4 Blowing Fuses
ATRASIL8825 JUN 88 A/T - 440T4 Elimination Of Reverse Reation Drum Plate
ATRATB8828 JUN 88 A/T - 440T4 Plastic Oil Lube Dam
871039 JUN 88 Instrument Panel - Breakage At Park Brake Release
ATRATB8821 MAY 88 A/T - 440T4 Converter Regulator Valve
8874406 APR 88 A/T - TCC Engages In 2nd Gear
ATRASIL8819 APR 88 A/T - THM 125C Manual Valve Change/Improved Shift Feel
87744017 APR 88 A/T - THM 440-T4 Product Update Book
8874405 APR 88 A/T - Update Bottom Pan and Gasket
8871256 MAR 88 A/T - New Input Carrier Thrust Washers
ATRATB8816 MAR 88 A/T - No Upshift/Governor Contamination
881019 MAR 88 Interior - Cloth Disformation
8893 MAR 88 Radio - Ignition Noise Only During Cassette Operation
ATRASIL886 FEB 88 A/T - 440T4 3rd Clutch Plate Change
ATRATB887 FEB 88 A/T - Checking Pressure Switches For Leaks
8674409A FEB 88 A/T - Intermittent or Complete Loss of Drive and Reverse
8874403 FEB 88 A/T - New Input Clutch and 3rd Clutch Seal Installers
8771257 FEB 88 A/T - THM 125C Product Update Book
866E25 FEB 88 Engine - Hot Fuel Starvation (Vapor Lock)
871036 FEB 88 Manual Seat Back Recliner (New Design)
ATRATB886 JAN 88 A/T - 125C Case Differences
ATRATB881 JAN 88 A/T - 440T4 Slips Or No Movement Forward
87744011 JAN 88 A/T - THM 440-T4 Service Manual Update
8871251 JAN 88 A/T - Valve Body Cover or Oil Pan Leaks
8886 JAN 88 Engine Controls - Damage to Wiring Terminals
ATRATB8766 DEC 87 A/T - 440T4 Early/Late Checkball Locations
ATRATB8767 DEC 87 A/T - 440T4 Input Sprag Clutch/Updated Part
ATRATB8768 DEC 87 A/T - 440T4 No Reverse Engagement After Rebuild
8874401 DEC 87 A/T - New 2nd Gear Clutch Piston Seal
87621A DEC 87 Camshaft Thrust Plate - New Design
8819 DEC 87 Engine - Alleged Throttle Control Problems
ATRATB8762 NOV 87 A/T - 125/125C TCC Engagement in Drive, First & Reverse
ATRASIL8735 NOV 87 A/T - 440T4 Harsh Apply/Shudder On Reverse Application
ATRASIL8734 NOV 87 A/T - 440T4 Intermittent Harsh 3-2 Downshift
8721 NOV 87 Front/Rear Bumper Fascia - Warped or Rippled
876E22 NOV 87 Ignition System - Service Manual Revision
8774405A OCT 87 A/T - THM 440-T4 Long/Delayed 2-3 Shift
87744012 OCT 87 A/T Modulator Valve - Buzzing Noise
871023 OCT 87 Multi-Function Switch Lever - Rattling Noise
87744011 SEP 87 A/T - THM 440-T4 Erratic Shifts/No Upshifts
ATRATB8754 SEP 87 A/T - Front Bushing Wear
87744010 SEP 87 A/T - Intermittent No Reverse or Locks In Reverse
ATRASIL8729 SEP 87 A/T - Supplement To ATRASIL8725
8803 SEP 87 Scantool - P/S PID Display Changed Due To PROM Update
ATRASIL8725 AUG 87 A/T - 440T4 3rd Clutch Inner Seal Change
ATRATB8747 AUG 87 A/T - 440T4 Replacing Left Axle Seal
8774408A AUG 87 A/T - Engine Flare or Slip On Turns/Pump Whine
ATRATB8748 AUG 87 A/T - Slipping or No-Shift/Metal Sealing Rings
8674407 AUG 87 A/T - Soft, Slipping or No 1-2 Shift
8774409 AUG 87 A/T - THM 440-T4 Second Gear Starts
876D1A AUG 87 Generator - CS-144 Rectifier Update
87618 AUG 87 HVAC Vacuum Reservoir - Noise
ATRATB8742 JUL 87 A/T - 125/125C Delayed Reverse Or Slips In Reverse
8771253A JUL 87 A/T - Harsh Gear Engagement
866E19A JUL 87 Engine - May Intermittently Not Stay Running
876C3 JUL 87 Fuel Pump - Noise
ATRASIL8718 JUN 87 A/T - 4404T Throttle Pedal Effort/ Modification
ATRATB8740 JUN 87 A/T - 440T4 No Vehicle Movement/Any Direction
ATRATB8739 JUN 87 A/T - 440T4 Reverse Engagement In Neutral
ATRATB8736 JUN 87 A/T - Methods to Check for Restricted Exhaust
ATRATB8733 MAY 87 A/T - 125/125C Repeated Pump Rotor Spline Failure
ATRATB8730 MAY 87 A/T - 125C, 440T4 No Upshift
8756 MAY 87 Brake Pedal - Slow/Incomplete Return
876F1 MAY 87 Exhaust - Sulfur Odor
8757 MAY 87 Parking Brake - Equalizer Rattles
ATRATB8727 APR 87 A/T - 125/125C Input Drum Contacting Center Support
ATRATB8726 APR 87 A/T - 440T4 Overheating Of Torque Converter
8671258A APR 87 A/T - Harsh Park/Neutral to Drive Shifting
871011 APR 87 Door Interior Trim Nameplate - Breaks/Falls Off
876D6A APR 87 Voltage Regulator - Failures
ATRATB8719 MAR 87 A/T - 440T4 Bind-Up/Fourth Gear After Rebuild
ATRATB8718 MAR 87 A/T - 440T4 No 1-2 Shift After Rebuild
ATRATB8717 MAR 87 A/T - 440T4 Slipping On 2-3 Shift
ATRASIL878 MAR 87 A/T - Converter Clutch Solenoid Fluid Source I.D.
876E12 MAR 87 Engine - No Start When Parked On Incline
8768 MAR 87 Engine - Valve Lifter Type Noise On Cold Start
ATRATB8714 FEB 87 A/T - 125/125C No Movement Any Direction
ATRASIL873 FEB 87 A/T - 440T4 Lockup Sleeve Installation
ATRATB8710 FEB 87 A/T - 440T4 Noises/Improper Fluid Levels After Service
ATRATB878 FEB 87 A/T - 440T4 Valve Body Removal & Precautions
8774405 FEB 87 A/T - THM 440-4 Delayed 2-3 Shift or Loss of 3RD Gear
876D5A FEB 87 Generator - CS-144 Slip Ring End Frame Reassembly
ATRATB873 JAN 87 A/T - 125C Harsh 1-2 Shift Under Hot/Medium Acceleration
ATRASIL872 JAN 87 A/T - 440T4 Check Ball Location #14 Illustrated
ATRATB874 JAN 87 A/T - 440T4 Delayed Engagement
8774402A JAN 87 A/T - Loss of Drive and/or Reverse
8774404 JAN 87 A/T - Throttle Valve Lever Return Spring Eliminated
86626A JAN 87 Starter/Flywheel - Gear Clash or Milling While Cranking
ATRATB8663 DEC 86 A/T - 125/125C No Second Gear After Rebuild
ATRATB8664 DEC 86 A/T - 440T4 No Coasting 2-1 Down Shift
ATRASIL8631 DEC 86 A/T - THM Control Valve Assembly Cleaning/Servicing
ATRASIL8630 DEC 86 A/T - THM Identification Code Definitions
876C1 DEC 86 Fuel Injection System - Recommended Fuels
876E4 DEC 86 Fuel System - Fuel Additive
8711 NOV 86 A/C Compressor - Repetitive Failure
ATRATB8656 NOV 86 A/T - 125C Engine Dies In Gear
8774401 NOV 86 A/T - Harsh Engagement Neutral to Reverse
8712 NOV 86 Air Conditioning - Moan and Vibration
8785 NOV 86 Delco Freedom Battery - Diagnosis/Charging Procedure
876D1 NOV 86 Generator - CS-144 Rectifier Bridge Usage
ATRATB8649 OCT 86 A/T - 125C Shifts 1-3 (Skips 2nd)
ATRASIL8623 OCT 86 A/T - 440T4 Preliminary Check Procedure
8674403 OCT 86 A/T - Summary of Shudder Diagnosis
8783 OCT 86 Delco Freedom Battery - Storage and Testing
8702A OCT 86 Engine - Intermittently Will Not Stay Running
87102 OCT 86 Paint - Color Coat Chips Off
ATRATB8645 SEP 86 A/T - 125/125 C Intermediate Band Adjustment
ATRATB8643 SEP 86 A/T - 125/125C ATF Leaking Past Front Seal
ATRATB8646 SEP 86 A/T - 125/125C Car Creeps Forward After Overhaul
8671257 SEP 86 A/T - Updated Service Part Numbers for Oil Pumps
86815 SEP 86 Electronic Controls - Electrostatic Discharge Damage
866D4 SEP 86 Ignition, C(3)I - No Start/No Spark Diagnosis
861024 SEP 86 Paint - Color Sanding Basecoat/Clearcoat Finishes
861022 SEP 86 Rear Compartment Lid Hinge Assembly - Rework
86311 SEP 86 Tilt Steering Column - Noise or Squeaks
86623 AUG 86 Cylinder Head - Recap of Torque to Yield Bolt
866E16 AUG 86 Engine Controls - Service Manual Chart Update Code 52
866E17 AUG 86 Fuel Injectors - Fuel With Injector Cleaning Additives
8624 AUG 86 Hood - High Release Effort
8619 JUL 86 A/C - Revised Orifice Tube Location Reduces Hissing
ATRATB8635 JUL 86 A/T - 125/125C No Upshift - Governor Pipe Dislodged
ATRASIL8615 JUL 86 A/T - 125C Throttle Valve Buzz
ATRATB8634 JUL 86 A/T - Pressure Tap Locations
86310 JUL 86 Aluminum Wheels - Discoloration or Surface Degradation
8623 JUL 86 Frame Insulator - Identification
ATRATB8631 JUN 86 A/T - 125C TCC Will Not Release After Warm-Up
86618 JUN 86 Engine - Whistling or Whining Noise
866F1 JUN 86 Exhaust - Intermediate Pipe Replacement
8622 JUN 86 Hood Latch - High Efforts to Release
8607 JUN 86 Service Manuals - 1985 and Prior Publications Ordering
ATRATB8623 MAY 86 A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
ATRASIL867 MAY 86 A/T - 440T4 Supplemental Diagnosis
86610A MAY 86 Camshaft Sensor Interrupter - Repeadedly Broken
866D2A MAY 86 Delco Generator Exchange Program
861017A MAY 86 Door Glass Sash Channel - Replacement Procedure
86810 MAY 86 ECM Wiring - Metri-Pack Series 150 Terminal Removal
8610 MAY 86 Engine - Noise Regulations in Various Locations
861019 MAY 86 Paint - Oklahoma City and Oshawa Refinish Numbers
8606 MAY 86 Vehicle - Fluid Leak Detection/Dyes
ATRASIL864 APR 86 A/T - 125/125C Improved Transmission Gaskets
ATRATB8616 APR 86 A/T - 125/200/200 4R/325 4L Late or No Upshift
ATRATB8615 APR 86 A/T - THM 125 No Second/Third Gear After Overhaul
8657 APR 86 Brake - Pulsation Causes/Cures
86611 APR 86 Engine Camshaft - Revised/Identification
8621 APR 86 Engine Cradle - Popping Type Noise
86612 APR 86 Engine, GM Goodwrench® - Part Number Differences
861016 APR 86 Glove Box Striker - Misaligned, Won't Close Completely
8692A APR 86 Luggage Rack - Interference With High Mount Brake Lamp
8666A APR 86 Oil Pressure Light - On or Loss of Oil Pressure at Idle
ATRATB8613 MAR 86 A/T - 125/125C Forward Drum Cautions
ATRASIL863 MAR 86 A/T - 125/125C Slipping in All Ranges
ATRATB8612 MAR 86 A/T - Converter Clutch Shudder
8671253 MAR 86 A/T - Slipping in All Ranges
8672 MAR 86 A/T Control Valve Assembly - Cleaning and Servicing
866E6 MAR 86 Engine - Off Idle Surge, Chuggle, or Rough Running
8698 MAR 86 Radio - Noise on AM Band During Acceleration
866D3 MAR 86 Starter Drive Assembly - Revised
866E5 MAR 86 Tools - Inoperative Fuel Injector Cleaning Tool
ATRASIL861 FEB 86 A/T - 440T4 Poor Shift Quality
ATRATB869 FEB 86 A/T - Governor Pressure Switches
8671 FEB 86 A/T - ID Information Including 3-Letter Mode Code
866B1 FEB 86 Cooling System - Antifreeze Concentration and Effects
8604A FEB 86 Paint - 1986 Oklahoma City Production Color Match
8667 FEB 86 Rocker Arm Cover Gasket - Installation
866E4 FEB 86 Tools - Scanner Update for New Model Year Data Stream
ATRATB864 JAN 86 A/T - 125/126C No Second Gear Or Slipping After Rebuild
8674402 JAN 86 A/T - Delayed Forward Engagement, Slips on Takeoff
ATRATB861 JAN 86 A/T - Rapid Converter Pump Bushing Wear
861010 JAN 86 Deck Lid/Fuel Filler Door Locks - Binding or Inoperative
8695 JAN 86 Radio - Alternator Whine in Left Channel
8633 JAN 86 Tire, Rear - Irregular Wear Pattern, Noise
861011 JAN 86 Vista Vent - Revised Hardware Nut
8654 DEC 85 Brakes - Bleeding/Repriming Powermaster Pump
8693 NOV 85 Custom Cruise III - Delayed Engagement Feature
8603 NOV 85 Paint - Assembly Plant and Supplier Identification
8652 NOV 85 Power Brake Booster Check Valve - Rattle
8694 NOV 85 Tools - Modified Diagnostic Routine With Quick Checkers
866E3 OCT 85 Emissions - Effects of Top Engine Cleaner on Converter
866C1 OCT 85 Fuel Injectors - Diagnose/Cleaning Restricted Injectors
8682 OCT 85 Low Profile Halogen Headlamp - Operation
8662 SEP 85 Cylinder Head - Torque to Yield Bolts
8671251 SEP 85 Tools - Turbine Shaft Seal Ring Installation Tool
ATRASIL851 JAN 85 A/T - 125/125C/440-T4 Identifying Final Drive Ratios
ATRATB8519 JAN 85 A/T - 440T4 Converter Clutch Shudder On Apply
ATRATB8524 JAN 85 A/T - No Converter Clutch Apply When Unit Is Hot
8766A OCT 84 Camshaft Sensor Interrupter - Broken (No Start Code)
81I37 FEB 81 Oxygen Sensors - Silica Contamination
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