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A couple of cylinder head questions...
Posted 09 October 2004 - 07:58 PM
I am new to the board, just checked in a couple of days ago for some general info. I noticed quite a bit of experience here, so I decided to become a member. My Roo is a 1987 carbureted EA81 1.8 GL hatchback with hydraulic lifters. My Dad bought the car brand new, I bought it from him about 5 years ago. It has about 150K miles. About a week ago I got a couple of "blown head gasket" symptoms. Yesterday I took the heads off to replace the head gaskets. (First time heads have been off) It's definitely a head gasket problem. I cleaned the gasket surfaces and checked to make sure the heads were not warped with a straight edge and a .0015 feeler guage. Both heads are straight. I have a Haynes Manual, but some of the engine specifics are really generic. That's pretty much the background... Here's my couple questions
1. When I torque the heads back on, are the rocker shaft bolts torqued to the same ft/lb as the head nuts?
2. Are the rocker shaft bolts torqued first in the sequence or are they torqued "with" the head nut sequence?
3. Is 150K miles a good average for replacing head gaskets on this particular engine?
Thanks in advance,
Posted 09 October 2004 - 08:34 PM
3. 150,000 miles is about time for new gaskets. I have an 86 carb with 140,000 miles and the gaskets are just starting to go
Posted 09 October 2004 - 11:09 PM
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