Head Gaskets and Valve Covers
Chevy Suburban
Chevy S-10
Chevy Blazer S-10

What is the torque and tightening pattern when using old bolts to replace the head gasket on a 1989 Chevy S-10 2.5?


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Wiki User
2011-09-15 11:03:05
2011-09-15 11:03:05

You cannot use the old bolts to retorque the heads. They are torqure to yield bolts. You must get new bolts.


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Go to Autozone or a NAPA parts store and buy a Haynes Manual for the vehicle. It will tell you all of the torque specs you need and the tightening pattern.

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You more than likely have a valve cover gasket leaking. You can try tightening the bolts holding the valve cover in place to 20 lb/ft of torque, (do not over-tighten) and see if that stops the leak. If not, you will have to replace the gasket.

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