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Home » Public Forums » GMCnet » [GMCnet] Noise in the engine
[GMCnet] Noise in the engine [message #277305] Tue, 05 May 2015 09:20 Go to previous message
BobDunahugh is currently offline  BobDunahugh   United States
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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A friend just bought an outstanding GMC. I found out that it was for sale. So I told him to send a check on my word. He did. We're going to check it out Sat. He knows nothing about GMC's. There's a noise in the engine. Engine has less then 18,000 miles on a rebuild. As I see it. It's ether a spun bearing. Or in the valve train. So my question is. Is that rocker arm support prone to breaking? As I've never heard of that being a common problem. We're just hoping that's what's happened. If the problem is deep. I'm thinking of pulling the engine right then so I can take it home to my shop. Fix it so I can get it back in the next Sat. What ever happened will be a simple fix since there's nothing sticking out of the side of the block.Bob Dunahugh
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