Question about 2002 Chevrolet Suburban
We have a 99 Chev Suburban 454 4X4. When you are dring, not all of the time, it makes like a high piched howling noise. It gets louder the faster you go. The temp and battery are fine on the guages. It drives great, no other issues. Any ideas?
Might be one of your catalytic converters clogging up. usually happens after engine has been running for a time? mostly heard when you let off the gas pedal? does the noise appear to be coming from the transfer case area? i thought i was having tranny problems, but turned out to be one of the catalytic converters. whew....
Posted on Jan 13, 2009
I have a 1997 2500 4x4 Chevy suburban that made a high pitched whistling noise and it was the power steering pump. Now its making the same noise and it gets louder as I go faster. It sounds like it must be the transmission but not sure. Its embarrassing cause its so loud that people stop and look.
Posted on Sep 15, 2012
Sounds like a power steering issue. Check the Power Steering fluid. When your parked, roll down your windows (so you can hear it). Turn your steering wheel all the way to the right then all the way to the left. From lock to lock. Listen for the howling. My bet is. its your power steering pump low on fluid or starting to fail.
Posted on Sep 27, 2011
I am having a similar problem with my 95 Suburban 4x4. However when I accelerate to 30 - 35 I hear something that sounds similar to the power steering pump being out of fluid. This sound only occurs after I reach 30 mph, when I let of the accelerator the noise quites down and will stop altogether when I slow under 30. It doesn't happen when I turn the wheel unless I'm already going over 30 and the noise is there already. (the ps fluids are fine.) The tranning seems to be shifting fine and the RPMs are normal when shifting. Any advice would be appreciated.
Posted on Oct 26, 2009
Does it go away when you turn, or swerve? Have you tried blocking the grille? Sound like its from front or back, or can't be sure?
Posted on Oct 18, 2008
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Posted on Jan 02, 2017
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