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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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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

'02 Chevy S-10, Clutch Assembly Issues

Q: I am currently embroiled in a dispute with Chevy over a clutch assembly and transmission issue in a ‘02 Chevy S-10 truck with 16k miles on it. Since January, I have had 3 clutch assemblies installed in the truck. . Could it be a result of a defective transmission or other mechanical problems? I have been told no that the only way to narrow it down is repeated replacement of clutch assemblies which are now to be done at my expense. They say that because a clutch is considered an object that will wear out (like brake pads for example) they will not cover this repair. Could you possibly have a suggestion where to look for the cause of the trouble and maybe a solution? I’m the only driver of the vehicle and do not abuse the vehicle. I’ve been made to feel as if I’m the cause of this issue!

- Doug

A: First question? Is this the first standard type transmission vehicle that you’ve driven? If the answer is yes, skip the next question. If not, how well did you do with the clutches in that vehicle? If the answer is much better, then skip the next question. If this is your first standard transmission vehicle then I would want to ride with you to monitor your driving habits and operation of the clutch. If you have been driving a standard transmission vehicle for some time then it is likely there is an underlying problem with your vehicle and not Chevy’s in general. If there are repeated clutch failure problems (like 3 clutches in 9 months) and the driver of that vehicle is an experienced driver then I would look to a transmission alignment problem. The transmission has to be centered to the crankshaft of the engine. If this alignment is off the component that pays the price is the clutch assembly. If the transmission is not centered to the crankshaft or is off to an angle, rapid clutch wear and or failure can occur. If inspection finds that the transmission to engine alignment is an issue, there are special alignments dowels that can be used in place of the factory dowels that will allow for centering the transmission to the engine. If the transmission is off to an angle then the bell housing can be shimmed for correction.

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