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Broken crank gear - why?
Posted to Technical Discussion Forum on 9/7/2011 19 Replies

I was hoping someone could shed some light as to why this may happen. I currently have apart this vehicle because of an excessive cam variation. The crank gear is cracked and has spun on the shaft, damaging both the keyway and crank. This vehicle would run rea... Login to read more.

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car Vehicle Data

2008 Pontiac Montana SV6 3.9L

Engine3.9 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2008 Pontiac Montana SV6 3.9L

Engine3.9 L
Trans4-speed Automatic (Electronic)