Tahoe & SuburbanThe power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.
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I have a 99 with 170k miles. I'm hearing this whining sound that starts around 40 mph. It's faint and only happens when on the accelerator. Goes away when letting off the gas and comes back when on the gas. Its constant while cruising. Sounds like it is coming from the front but not sure. After taking it to 3 mechanics, diagnosis was trany pump was going out and i needed new transmission. Took it to have the trany rebuilt and there was nothing wrong with trany. So far I have replaced differential fluids in front and rear, front differential gear and bearing, pitman arm, trany diagnosed, U joints, front and rear brakes. Unfortunately after lots of money and mechanics, I still have no idea what is causing the noise. Anyone ever experience this before? Any information would be greatly appreciated.
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could check the pullys to make sure they are all good. if you rev it up not moving is the noise still there?
04 suburban leather loaded
Supercharged 9 psi boost
Electric fan conversion
Triple pillar mount with gauges
Summer tires - 20 inch chrome with cooper H/T plus
Winter tires - stock rims with Bridgestone APT
Energy suspension kit
Air bagged rear end
Prodigy p3 brake controller
Your vehicle can go as fast as you wallet will let it
Buy a hybrid I need your gas
As always, Drive it like you stole it
is it possible to be a brake or power steering fluid leaking?i had this problem before,when step acc padel,it noise,they found there bubbles in fluid,they replace brake boost unit and it gone,do you note any difference on making turns or brake
I see this is an old post, but there are new replies, so I'll take a chance here. I TOO have this whining sound on my new-to-me 2007 Sub LTZ.
Back in the old days, there was a common sound that was made by a bad power steering unit on any car. It was a whine which would increase in volume as you turned the wheel. Ok - got that sound in mind? That's how my car sounds as I accelerate off a stop. It's not louder than the exhaust note, but it is just below it. If I put the car in neutral and rev it, it makes the sound also.
My car has 73K miles. In all other respects it seems to run like a top.