Question about 2000 Toyota Tundra
When the truck is idling, there is a humming like sound that can be heard coming from the engine and when I accelerate, the noise seems to get louder. This humming sound almost sounds like a motor of some sort.
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Posted on Jan 02, 2017
Could be anything from a bad knock sensor to an internal engine problem. Try a stethoscope test if you can duplicate this racket while in park.....accordianman
Posted on Jul 29, 2008
SOURCE: car has loud knocking sound
Here's what you don't want to hear...A loud knocking noise from inside your engine is generally caused by a crank or rod bearing...when caught very early, sometimes they can be replaced. however, once the noise is loud, the attending crankshaft journal gets "hammered" out of shape and the job becomes very expensive and in most cases more costly than engine replacement. There is one other item that can cause a loud knock...your flywheel. Bearing problems generally cause low oil pressure. If you have that, it's gone...if not, have the flywheel checked before sending the engine to the scrapyard.
Posted on Jun 14, 2009
Rather than guess witch one it is( sounds to me to be a wheel bearing or hub bearing) just chg. out both, but if it gets louder when you make a right turn i would say its the left side sense when you make a right turn you are putting more forse and weight on that side.
Posted on Jul 02, 2009
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