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Head Bolt Torque
Posted 06 August 2010 - 08:17 AM
Posted 06 August 2010 - 10:02 PM
Here are the torque specs from the Mack E7 service manual.
Can someone tell me the torque spec and pattern for the head bolts on a 1990 Ch613 with a 300 Mack in it?
Torque all head mounting capscrews in three stages to the specified torque.
Torque all head mounting capscrews in sequence to 50 lb-ft (68 N•m).
Torque all head mounting capscrews in sequence to 125 lb-ft (170 N•m).
Torque all head mounting capscrews in sequence to final torque value of 205 lb-ft (278 N•m).
E7 Head Bolt Torque Sequence.pdf 68.89KB 131 downloads
Posted 07 August 2010 - 01:15 PM
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