Question about 2004 GMC Envoy
Could be the exhaust system hitting on something when the suspension moves. Inspect under the car and look for shiny spots that are making contact.
Posted on Aug 17, 2013
Thanks for providing that information.
At 65K I would first suggest changing shocks. Yes, that is enough mileage to have them beginning to get "softer" which will increase suspension travel and noise.
Even though they may test good (usual test is jumping on the bumper to see how it responds after bouncing) but that really doesn't apply to shock/strut combinations.
I would suggest a higher then factory grade replacement shock. Do realize 60% of the weight for that vehicle is in the front.
Next, there is always some, what they call "spring seating" as a vehicle gets older. You will notice it more when the suspension is in a turn, going over a bump. The spring moves / rotates in the seat, and you will hear a sometimes loud popping or clicking noise.
Bushings are probably best left to the professionals, unless you happen to have a well equipped shop at home.Same goes for the struts. You will need a good spring compressor to be able to change them, and you will need to have an alignment done after changing them. Doing the bushings at the same time is easy once the struts are out.
Since it is 4WD you mine want to test the front CV joints also. If you have access to a lift, put it in the air so all 4 wheels are off the ground, and running it. Listen to each front wheel to see if you can hear any CV noise. Please be very careful doing this. Doing it incorrectly can result in injury.
What you want to do more then anything is take this a step at a time. When you hear a noise inside a car, it can sound like it is coming from one place, and you can find out later, it is somewhere else.
I think a Haynes manual is going to be a good guide for you on this problem.
Take you time, and be very careful doing this kind of work. If at anytime you are not 100% comfortable doing the work, consult a professional.
Sorry I can't be more help as a simple fix, but I'm limited diagnosing any further without have the vehicle at my access.
Posted on Nov 15, 2008
Inspect rubber bushings in the suspension, it is at the age where they will start to wear out. Also inspect the ball joints, these can make a lot of noise when going out.
Posted on Jul 27, 2009
Do not heat or bend any suspension parts. Big no-no. If it's all touching and out of whack, check for possible bent frame. Body-shop that did the past work might have overlooked the frame being bent. All measurements start with a straight frame.Then go after the individual hitch and sway bar.
Posted on Aug 16, 2009
Testimonial: ""All measurements start with a straight frame". thank you for that excellent advice. "
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