Timing chain crankshaft gear

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Old Feb 26, 2009 | 07:08 PM
  #1  
smcurro's Avatar
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Timing chain crankshaft gear

Hi
What is the easiest way to remove the old timing gear from the crankshaft and install a new one? Can the gear be changed without removing the crankshaft from the engine? Is it ever possible to reuse the timing gear on the crankshaft or must this gear be changed whenever the timing chain is changed? Any info would be greatly appreciated. Thanks!!
Old Feb 26, 2009 | 07:37 PM
  #2  
joe_padavano's Avatar
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Originally Posted by smcurro
Hi
What is the easiest way to remove the old timing gear from the crankshaft and install a new one? Can the gear be changed without removing the crankshaft from the engine? Is it ever possible to reuse the timing gear on the crankshaft or must this gear be changed whenever the timing chain is changed? Any info would be greatly appreciated. Thanks!!
Well, the first thing is that the key needs to be removed from the keyway in the crank before the crank gear will come out. That might be enough by itself, but if not, you'll need to use a puller. Temporarily reinstall the balancer bolt to preclude messing up the threads in the nose of the crank when using the puller.

Last edited by joe_padavano; Feb 26, 2009 at 07:38 PM. Reason: Spelling
Old Feb 26, 2009 | 08:26 PM
  #3  
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Okay, I assume the key continues into the timing gear to prevent the gear from possibly spinning. How is the key removed? Is there a specific type of puller for this job? Thanks!
Old Feb 27, 2009 | 02:05 AM
  #4  
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Originally Posted by smcurro
How is the key removed? Is there a specific type of puller for this job? Thanks!
I use a pair of pliers on the key. Wiggle it forward and up, and don't bend it.
The gear should come right off of the snout with the key removed.
Old Feb 27, 2009 | 09:27 AM
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ok I will try that. I assume its important to very careful... Thanks!
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