1999 Chevy S-10 weird noise coming from rear of vehicle whi

ROTARYROCKET32

MEMBER
1999 CHEVROLET S-10

Noises problem
1999 Chevy S-10 6 cyl Four Wheel Drive Manual

My S-10 is making a rubbing sound like how sand paper sounds when in motion, it is causing my truck not to get up too speed, lacking power, power hesitates. It does not get up too speed while going through gears. Its like the brakes are engaging but the pedal is not being applied.

4 Replies

JACOBANDNICKOLAS

MECHANIC
109,878 POSTS

Have you checked to make sure the differential is full? Does it sound like a wheel bearing? Have you checked the brakes?

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Thursday, November 12th, 2009 AT 7:22 AM

ROTARYROCKET32

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2 POSTS

How would a wheel bearing sound if it was going out, this noise is like sand paper rubbing together. I checked my brakes, had the pads replaced in the back, had my diffs flushed and filled, so those two arent the cause, because the sound and the lag is still there.

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Wednesday, November 18th, 2009 AT 12:13 AM

JACOBANDNICKOLAS

MECHANIC
109,878 POSTS

I need you to check two things. First, wheel bearings. A wheel bearing can make a sound as you described. However, usually the sound will change when you make turns. Picture a left side wheel bearing being bad. If you make a left turn, the vehicle's weight shifts from the left to the right side of the vehicle. At that point, the sound usually gets quietier. The opposite will happen on a right turn.

I also want you to check the backing plates behind the front rotors. I have seen many times that either the result of rust or being bent, the backing plate will actually rub the brake rotor and make a similar sound.

Also, can you tell aprox. Where the sound is coming from?
Let me know what you find.

Joe

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Wednesday, November 18th, 2009 AT 6:37 AM

ROTARYROCKET32

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2 POSTS

Ok so the brakes are not whats causing the noise, and its getting worse, the truck will not accelerate properly, I can not get the vehicle up too speed. The sound is definatly coming from the rear of the vehicle. Could it be the spider gear in the rear diff? It is causing my vehicle to get worse every day. I dont know what it is, and I am about to go spend money from the dealership to find out what is wrong, I also need a new clutch, because it is difficult to shift from third down to second.

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Tuesday, November 24th, 2009 AT 1:24 AM