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| broke; broken crank bolt | |
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| Tweet Topic Started: Dec 10 2016, 07:17 PM (820 Views) | |
| freegeo | Dec 12 2016, 01:27 PM Post #16 |
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From 1990 to 1996 the 3 cylinder torque value was 81 ft lbs. In 1997 the 3 cylinder torque value went to 96 ft.lbs. Why the change I can't say. I will see if I can dig up some TSB on it. In the FSM's I have i don't recall it ever calling out a thread locker being used on the crank gear bolt. I have taken 4 off that hadn't been messed with from the factory and none of them had thread locker on them. Edited by freegeo, Dec 12 2016, 07:25 PM.
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| MR1 Kingsbury | Dec 12 2016, 05:22 PM Post #17 |
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Exp. builder/rebuilder
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I believe the 4 cyl. crankbolt torques over 100. even way over, but I could be wrong. Maybe that's why my second bolt snapped after 3000 miles. I'm gonna check the my '96 fsm again. |
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| Woodie | Dec 13 2016, 05:57 AM Post #18 |
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3 and 4 cylinder are the same. |
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| freegeo | Dec 13 2016, 12:35 PM Post #19 |
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95 FSM - 3 cylinder 81 ft lbs. 4 cylinder 79 ft lbs 96 FSM - 3 cylinder 81 ft lbs. 4 cylinder 79 ft lbs 97 FSM - 3 cylinder 96 ft lbs. 4 cylinder 96 ft lbs 98 fsm - 3 cylinder 96 ft lbs. 4 cylinder 94 ft lbs 99 FSM - 3 cylinder 96 ft lbs. 4 cylinder 94 ft lbs Looking though the GM TSB's for the metros, I didn't find any for crank bolts but did find this one. 92766A JAN 92 Engine - Do Not Reuse Cylinder Head Bolts |
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9:29 AM Jul 11