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Duramax First Generation: 2001-2004 (LB7) Discuss the first generation (2001-2004 LB7) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 07-02-2009, 12:46 AM   #1 (permalink)
paoutdoorsman
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Crank / Harmonic Balancer Bolt - Socket / Wrench Size

Anyone know what size wrench or socket is required for the harmonic balancer/crank bolt? Need to pick up a socket or wrench tomorrow. I've got 1 1/4" - Too small, and a 1 5/8" - Too large, but nothing in between.

Thanks!
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Old 07-02-2009, 01:18 AM   #2 (permalink)
gibson
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IIRC its a 36mm
All the stuff on the duramax is metric
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Old 07-02-2009, 01:41 AM   #3 (permalink)
DuraDudz
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A 1 7/16 inch will work. I think the 36mm is the front hub assembly nut on the axle.
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Old 07-02-2009, 11:38 AM   #4 (permalink)
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Thanks guys!
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