Torqueing LIM bolts
#1
Torqueing LIM bolts
I have seen a suggestion to wait 24 hr between first and second torque settings for LIM bolts on the Vortec V6. Anyone have an opinion on this? Thank you
#2
I have never waited and have never had a leaker. Waiting is not in the factory service manual procedure either. Just use the proper pattern and step up through the 3 torque values. Remember, the LIM bolts don't require much torque to provide adequate clamping force for the gasket design. Over tightening can result in a leak.
For the longest lasting repair, remember to get the updated Felpro gaskets with the metal frame.
For the longest lasting repair, remember to get the updated Felpro gaskets with the metal frame.
#3
I have ordered the MS98002T Fel-Pro set. Thank you for your quick reply, swartlkk.
#4
i second swartlkk...he knows his stuff. i just did mine and never waited.
ohhhh and watch the torque...mine read INCH POUNDS not foot pounds!!
ohhhh and watch the torque...mine read INCH POUNDS not foot pounds!!
Last edited by warthogdriver; 08-30-2011 at 08:33 PM. Reason: torque note
#5
Indeed he does, and thank you for your reply as well. I had done this LIM about 3-4 years ago, and my helper and I didn't read the torque specs closely enough, he was going by ft lbs, and sure enough, cracked the LIM at #8 bolt. Had to get another LIM and do it all over, making sure to torque in INCH/Lbs, but I had used the Fel-Pro set that did not have the metal inserts, and it blew out again at the front coolant port. I used the Fel- Pro set with metal this time. Am in the process of re assembling everything else now, so we will see...
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