Attention: TDR Forum Junkies Hey guys,
Recently I had a blown headgasket replaced by a very well respected diesel mechanic at a local dealership. As it turns out he said the head wasn't torqued down right from another dealer when they put a new short block in for the preivious owner. Anyway, the truck runs better than it ever has since I've owned it however, I can sometimes hear the popping/cracking/snapping of metal now while the engine is running and sometimes after shut down. I'm 99% sure it's coming from the manifold. I called the mechanic and asked about it but he said that is fairly common on these trucks and not to worry/assume that the manifold is getting ready to bust because I can now hear metal expanding/contracting. I specifically asked about why it's doing it now and not before and he speculated that because the head and exhaust manifold is now torqued down right (and neither was before) it is now making the sound.
Any thoughts?
Recently I had a blown headgasket replaced by a very well respected diesel mechanic at a local dealership. As it turns out he said the head wasn't torqued down right from another dealer when they put a new short block in for the preivious owner. Anyway, the truck runs better than it ever has since I've owned it however, I can sometimes hear the popping/cracking/snapping of metal now while the engine is running and sometimes after shut down. I'm 99% sure it's coming from the manifold. I called the mechanic and asked about it but he said that is fairly common on these trucks and not to worry/assume that the manifold is getting ready to bust because I can now hear metal expanding/contracting. I specifically asked about why it's doing it now and not before and he speculated that because the head and exhaust manifold is now torqued down right (and neither was before) it is now making the sound.
Any thoughts?
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