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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 ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

'99 Pontiac Grand AM, Push Rod Arrangement

Q: I was working on the engine on my ‘99 Pontiac Grand AM with a 3.4 liter engine. The push rods got mixed up and I need to know the correct order of installation.

- David M.

A: Don’t you just love it when stuff like that happens? It’s a good thing that you stopped to ask that question. If you had guessed wrong on assembling the push rods in the wrong position there would be no telling what problems or damage that could have occurred. If you look closely you’ll find that the push rods for the intake valves are 5 ¾” inches long and they should have yellow stripes. The exhaust valve push rods are 6” inches long and should have green stripes for identification. You should also be aware that there is a revised torque procedure for the rocker arms. ALLDATA Information Systems show GM Bulletin # 02-06-01-034 addressing a manual revision for tightening the rocker arm assemblies. The revised procedure calls for the rocker arm fasteners to be torqued to (124 lb in) and then turned an additional 30 degrees for your engine application.

 
     
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