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Cat Man
Cat Man, Caterpillar Engine Expert
Category: Heavy Equipment
Satisfied Customers: 8721
Experience:  23 Years Caterpillar Engine experience.
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rebuilding..few torque specs..coolant, intake, and exhaust manifolds

Resolved Question:

Hello again. I am rebuilding another C-12 and I have have few torque specs that I cannot find from the last one you helped me with. I am looking for specs on the coolant, intake, and exhaust manifolds. I would appreciate your help with these. ES# XXXXX Thanks.
Submitted: 5 years ago.
Category: Heavy Equipment
Expert:  Cat Man replied 5 years ago.
Hi. Thanks for using JA and requesting me! I will try and help you out.

Sure no problem. Give me a few minutes to look them up. Be back shortly.
Expert:  Cat Man replied 5 years ago.

Sorry for the delay.


The Exhaust manifold studs torque to 26 foot pounds.


The Exhaust Manifold nuts torque to 41 foot pounds.


The Intake Manifold bolts torque to 40 foot pounds.


The Coolant Manifold bolts torque to 21 foot pounds.


Please let me know if you need more help or have more questions.

Cat Man and 3 other Heavy Equipment Specialists are ready to help you
Customer: replied 5 years ago.
Thanks for your help again!