engine knock?
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Freshman User
Joined: Jun 2012
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engine knock?
Ok having a problem my engine sounds lik there's a knock when I'm accelerating it stops after I get to around 50-55 it sounds like its coming from the right side of the cab and I can definitely feel the knock in the gas pedal. Any ideas on what it would be would be helpful!
Lead Driver
Joined: Dec 2012
Posts: 7,870
Likes: 47
From: Tennessee
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 .
Lead Driver
Joined: Dec 2012
Posts: 7,870
Likes: 47
From: Tennessee
Because it seems to be related to the speed of your truck , not engine speed ,I think it may not be engine related . That is why I ask if you can reproduce the "knock" while stationary . On the other hand , many components can cause a knocking sound .
Logistics Pro
Joined: Oct 2005
Posts: 3,785
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From: Mddl A MexCans
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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Lead Driver
Joined: Dec 2012
Posts: 7,870
Likes: 47
From: Tennessee
I would look further into the drive train for the knock . Less likely the mixer than other issues .
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