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Vw lt35 loud knocking noise

Load knocking noise every full turn of engine

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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dnewcombe1
  • 1564 Answers

SOURCE: knocking noise in 2000 beetle under 1000 rpm

You might need a new Knock sensor.

Posted on Aug 13, 2009

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GM Elec
  • 1000 Answers

SOURCE: engine knock hard over 2500 rpm

Does the oil light come on or the knock occur during the engine warm up after a cold start?
There could be a couple of problems causing the issue. You could have an oil pressure pump or pump pressure regulator sticking. I would have a mechanical oil pressure gauge installed and verify oil pressure at idle and 2500 rpms to make sure oil pressure is in normal ranges.
You could also have excessive piston rod bearing, crankshaft bearing or cam shaft bearing wear that will cause oil pressure to drop too low to prevent the rod knock your hearing at 2500 rpm.
You said a knock and not a ticking noise,so I don't believe a lifter is the issue at 2500 rpm.
Start with the oil pressure check and go from there.
Let me know.
Regards,

Posted on Aug 22, 2009

OhioTrucker
  • 33 Answers

SOURCE: loud engine noise or knocking when AC on

Have your air compressor for your air tested. Sounds like its bad.

Posted on Aug 26, 2009

FixinFax
  • 3085 Answers

SOURCE: VW LT35 hengine heater light comes on while

Hengine? Is that a motorized chicken?

Posted on Oct 02, 2009

  • 7 Answers

SOURCE: loud rattling noise coming from the engine

Are you losing power as well? if so it sounds like the camshaft is worn, this can be confirmed with a compression test

Posted on Feb 24, 2010

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