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1997 GMC Sonoma Questions & Answers
1997 GMC Sonoma 2 wheel
Check the shaft to the distributor for run out. (the shaft bushing is worn and it wobbles.)
Camshaft removal and check for damage
Your cam shaft is located inside of the engine block. To access the cam the accessories need to be removed from the front of the engine along with the water pump and the balancer to be able to remove the timing cover. You will also need to remove the intake and pushrods That is for a V-6, a 4 cylinder is much easier as you just need to remove the valve cover and the cam caps.
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