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Replacing cam chain guides. What special tools are needed?


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Hello all, my right bank has skipped a tooth on the cam. I’m going to install new chain guides with the engine still in the car (I know many people recommend dropping the engine). My question is do I need anything more than the hold down tool that goes on the end of the cams? I see some people using holding blocks that keep the cams inside the engine. I’m trying to understand why you would want/need those if you need to remove the cams along with the solenoid in order to replace the guides?   Any feedback is greatly appreciated. 
 

Regards,

Scott

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The cam end holders are OK for short term removal of the cam covers, such as when they are just off to be resealed. Because the cams are cast iron, and still under considerable valve spring pressures when the covers are off, replacement cam saddles are used to relieve the deflection force on the cams and prevent them from cracking during longer term repair projects, like you are getting into.

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