my buddys truck is making a noise.we thought it was the ac tensioner pully.changed it.and its still doing it.we took the ac compressor belt off,and it still makes the noise.it sounds like its coming from the left side of the engine.the engine only has 50,*** on it.
Take the fan belt off and see if it goes away. Alternators are notorious for squeeky bearings.
Last edited by RedHeartbeat; 09-18-2009 at 02:36 PM.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
waterpump? i would eliminate the belt first, if you spray it with windex it will stop squeaking if it's just the belt. It is amazing how a squeaky belt can sound like a bearing sometimes. If the windex doesn't make any difference do like Redheartbeat said and take the belt off and run it for a sec.
i sometimes will take a piece of garden hose put one to my ear and the other as a probe to isolate exactly where the noise is coming from.
I had a bad Alt a few weeks ago that made a sound kinda like this, Im with red, Take off the belt and see what happens
06 Intimidator SS- Tuned, CAI -DD
03 Silverado- Last incarnation 13.6... RIP
Ls1, Pnp heads, Polluter camshaft, spray, 4k stall on the way
"Seize the day like you seize your noodle" - Shin Chan
Aight the truck making the noise belongs to me!
My homeboy posted the video up for me and so far we've taken the belts of and ran it with no belts and the noise is still there.
Some mechanic said it was the timing chain another mechanic said it can't be that. So now I'm like WTF?!
Cuz two mechanics same something different!
Some body help!
sure sounds like an idler bearing.
Start swapping parts from one truck to the other until you find the culprit.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Originally Posted by 567234ta
have you tried the hose? it actually works really well.
the noise is coming from inside the timing cover....
and runs all the way back towards the flywheel
The oil pump is behind there and I just wonder if there is a major oiling issue. Some here have heard bearings squeak or rattle when they're starved for oil. How much do you trust the stock oil pressure gauge?
how trustable is it...?
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