sound like you got something going one with the valves from what i hear to same like @QUALITYTRUCK said, probably exhaust or maybe engine brake getting stuck take it somewhere get it checked out before causing any bigger damage.
15 FL dd15
Discussion in 'Freightliner Forum' started by Keepontrucking2016, Oct 24, 2019.
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I talked to my mechanic he said it might be your EGR valve and I'll get home look up a computer and check what's going on truck drives normal no power loss nothing at all could EGR causes valve
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I don’t think it could cause the noise u are having.
mhyn and QUALITYTRUCK Thank this. -
Will the computer show everything if they do diagnostic on all the tests
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This issue is one of the very few these days that a laptop is not going to help you. Have to revert back to good ole fashioned mechanical troubleshooting.
mhyn Thanks this. -
I trust my mechanic so far he knows what his doing did a lot of work on my truck he saying this is something new to him I'm sure he can figure out
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what I am thinking this video is about it.
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Does not sound like that at all it's sounds like this
Last edited: Oct 26, 2019
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My mechanic found a problem my valves were too tight as soon as he fixed that everything's normal I got power no more thumping noise or popping noise
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What was it ??
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