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Posted on Jun 22, 2014

Why is my suburban making noise under the hood when pressing the gas petal. The noise goes aways when increasing speed.

5 Related Answers

Anonymous

  • 104 Answers
  • Posted on Oct 05, 2009

SOURCE: I just bought a 2000 Cavalier z24 2.4L, when i

tming chain tensioner problem,the guide wears off over time ,there is an aftermarket updated part for this,but the whole timing cover and chain assembly has to come apart

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Anonymous

  • Posted on Mar 12, 2010

SOURCE: i have a 1999 chevy suburban when i am driving i hear a nosie

Check out drive shaft joints and center mount bearing.

Testimonial: "great very helpfull"

Anonymous

  • 3489 Answers
  • Posted on May 07, 2010

SOURCE: I have a 2001 Cheverolet Suburban that makes a

It could very well be the fan hitting the fan shroud. Have your motor mounts inspected. You can do this yourself if you feel savy enough. 1. start the car 2. have someone either inside or out(depending on where you want to be)3.place in gear 4. place your foot on the brake and acelerate by snapping the throttle briefly and seeing if the motor raises. You also place it in reverse to check the other side. Replace as necessary. Let me know if you need anything else.

Anonymous

  • 6982 Answers
  • Posted on May 27, 2010

SOURCE: only when i press on the gas or accelerate the

A noise can come from anything that moves while the engine is running. What you really need to do is listen carefully from outside the vehicle with the hood open and try and get a better idea where the noise is coming from.
It sometimes helps to use a short piece of old garden hose as a directional listening device...one end on your ear the other end as a probe. Wherever you hear the noise the loudest, is likely the problem or very close to it. If the noise is an internal knocking, likely it is a bearing problem that requires intensive work to correct. Hopefully that's not what you are hearing, Oil pressure good? Serpentine belt tight?

seddy29732

Shaun Eddy

  • 147 Answers
  • Posted on Jun 10, 2011

SOURCE: 1994 Chevy Suburban 5.7L V8

This problem sounds more like your serpentine belt is loose or has become glazed. When you accelerate, the belt can't keep up with the torque of the flywheel pulley due to the drag of the accessories, resulting in a squealing and/or chirping of the belt as it slips on the pulley. This is amplified during turns due to the extra drag of a laboring power steering pump. Try going to your auto-parts store and picking up a bottle of belt dressing, about a buck a bottle. Apply this to your belt according to the instructions on the bottle. This should help your belt regain its "stickiness" if it is indeed glazed. If this doesn't solve your problem, a new belt may be in order. Hope this helps out. If the problem persists after a new belt, reply to this answer and we can dig a little deeper. Have a great day!

Testimonial: "Thank you I will try your suggestions; everything I read was supporting a belt problem. Appreciate the timely response!"

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