C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Rear rotors

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Old Oct 4, 2005 | 06:17 PM
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Default Rear rotors

I went though this before, and I can't find my notes.
The 96 FSM says 166 ft-lbs for the rear rotor caliper bolts. I busted the bolts listening to the FSM once before.

Does anybody know the correct torque spec for the rear caliper bolts that hold the rotor in position.

I think the eariler service manuals were correct, and in 96 they used the front spec for the rear....
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Old Oct 4, 2005 | 06:33 PM
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Originally Posted by the blur
I went though this before, and I can't find my notes.
The 96 FSM says 166 ft-lbs for the rear rotor caliper bolts. I busted the bolts listening to the FSM once before.

Does anybody know the correct torque spec for the rear caliper bolts that hold the rotor in position.

I think the eariler service manuals were correct, and in 96 they used the front spec for the rear....
I'm thinking the 166 may have been for the caliper bracket bolts and that seems a bit excessive, even for them. What diameter are these bolts? I can't remember. If they're 8mm, I wouldn't go much over 20 lbs., if they're 10mm, maybe 30-35 tops would be plenty. Admittedly, this isn't the kind of thing I would generally get a torque wrench out for so I've never looked it up.
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Old Oct 4, 2005 | 06:46 PM
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My '88 front caliper bolts only call for 137 lb-ft and the upper rear caliper pin bolt takes 26 lb-ft, the lower bolt takes 16 lb-ft and the caliper bracket bolt takes 70 lb-ft.
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