Main Cap Bolts - Torque to yield? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-20-2010
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Icon5 Main Cap Bolts - Torque to yield?

Are the 3.0 main cap bolts torque to yield or reusable?
I have the engine out replacing timing chain, oil pan gasket, rear main seal, valve cover gaskets, etc. With 150K on it, I'd like to peak at a main bearing just so I have an idea of the overall bearing conditions.

If reusable, what do they torque to?
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Old 11-20-2010
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the torque is 55-63 lb/ft. only remove one at a time and make sure you install the cap in the same direction it was removed
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Old 11-20-2010
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Quote:
Originally Posted by 90LX View Post
Are the 3.0 main cap bolts torque to yield or reusable?
I have the engine out replacing timing chain, oil pan gasket, rear main seal, valve cover gaskets, etc. With 150K on it, I'd like to peak at a main bearing just so I have an idea of the overall bearing conditions.

If reusable, what do they torque to?
The Torque to Yield (TTY) bolts aren't reusable because you actually strech the theads when you torque the bolt down.
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These main bearing caps are not torque to yield. hence why they only have a torque spec and not an additional degree of rotation after the spec
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Old 11-20-2010
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Thanks for the info. I didn't want to chase down new bolts just to take a peak. Never saw torque to yield main bolts on any other engines, but wanted to ask just in case.
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