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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by users over the course of many years.
If you have any questions, please feel free to email us.



Lincoln - Mercury
  Jim Grant's Tech Tips

94 Saturn SC 2, 5 Speed Standard Problems
Q: I have a '94 Saturn SC 2 with a standard 5 speed transmission. My problem is every once in a while when I put my car in reverse the shifter will jam into a stuck position, not in neutral and not in any gear. There is no way you can move the shifter because it's stuck! If I raise my foot off the clutch, the car stalls. When I depress the clutch and try to move the car, it will only move 2 or 3 in. forward or backwards. After rocking the car for around 10 minutes with the clutch depressed and trying to move the shifter, the shifter will pop out of the stuck position and everything is back to normal. I talked to my garage and they had no idea... George

A: The condition you are describing is commonly caused by a worn or broken shifter interlock. Shifter interlocks prevent a manual transmission from engaging two gears at once. It's not an uncommon occurrence for the shifter interlock to wear with age and develop the type of problems you have described. But your case may be different. In 1994 Saturn's equipped with MP2 or MP3 manual transmissions built before and including VIN # RZ256001 had a problem with an excessively wide interlock gap, (basically the shifter interlocks were too loose). ALLDATA Information Systems shows Saturn bulletin #94-T-27, the Subject: vehicle won't move due to transaxle stuck in two gears. The correction: replacement of the shift control housing assembly with a new and revised control housing which reduces shifter interlock clearance. The solution to your problem may be as simple as installing the improved housing assembly. I would recommend addressing your shifting problem as soon as possible. Allowing the condition to continue could cause other, and more costly damage, to your transmission.

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