engine knock?
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#2
Can you make it " knock " sitting still ? Brake torque ? Accelerating in neutral ? If not , ck drive line , u joints , mounts , exaust . I had a noise drive me crazy for about a day , before I found a green Black Walnut stuck between the cab and the bed ! I swore it was in the exaust hangers or pipes . Sounds can travel .
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I think the advice is good, one option might be to take it to a smog test station if you have one local. They often have a wheel cart and could put it in motion sitting still so to speak. If the driveline is the issue. It would be easy to hear/see safely. Provided you stay away from reciprocating parts!! Listen with a stethoscope and extension if needed. If due to suspension or ? in front it would be absent, and it doesn't seem as that would be the case as explained.
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#8
Just so happens I have a Hino in the shop right now . It is a wrecker , rollback ,. It has a noise in the mixer . Mixers do not usually cause your complaint . Not what you describe , but possible . I would look further into the drive train for the knock . Less likely the mixer than other issues .
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WindsorNation
1987 - 1996 F150 & Larger F-Series Trucks
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02-25-2019 11:36 AM