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1989 Toyota Supra Repair Question


Topics covered: Torque, Gas, Head gasket.
Mileage: No information provided.

Asked on April 22, 2009

Head gasket torqueing

Engine Mechanical problem
1989 Toyota Supra 6 cyl Two Wheel Drive Manual 95000 miles

I have heard that these 7mge engines are knows to blow head gaskets because the manufacturer did not torque the head gaskets tight enough. Can I torque them tighter to prevent this? And to what torque and how would I go about this project?
Thanks

Scott
Avatar Asked by scottw13

Answer

Replied on April 22, 2009

Below are the proper specs. and gasket placement..


http://www.2carpros.com/forum/automotive_pictures/261618_Noname_477.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_1_60.jpg



http://www.2carpros.com/forum/automotive_pictures/261618_2_38.jpg



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Tiny Answered by bluelightnin6 (expert)
17,236 answers provided
Replied on May 6, 2009

I see that these are the manufacturers suggested torques. My question is that I have read that these manufacturers torques are not tight enough, and that the head gaskets bolts need to be torqued higher. Do you know what the new torque should be? and how would I go about this? Thanks

Scott

Tiny Response from scottw13
2 questions asked
Replied on May 6, 2009

There is no recalls or technical service bulletins for this vehicle about cylinder head torque..My sources are up to date and direct from dealer repair manual. Tightening the bolts more than dealer specs is completely your decision and your call on what to torque it to beyond this. You would need a torque wrench to perform the operation.

Tiny Answered by bluelightnin6 (expert)
17,236 answers provided