1998 GMC Jimmy Logo

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Anonymous Posted on Nov 12, 2017

My 1998 gmc jimmy has a terrible klunking sounds like front end,I have had it checked out by 3 mechanics and none can see anything wrong,its intermitten and doesnt seem to mater whether or not i am driving on a smooth road going over bumps or turning,its aggravating and i am trying to find a possible answer on what could be wrong?

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Ismael Rodriguez Batista

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  • Expert 188 Answers
  • Posted on Nov 12, 2017
Ismael Rodriguez Batista
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Joined: Dec 06, 2008
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A bobble on your front tire.

5 Related Answers

Coss

  • 1056 Answers
  • Posted on Nov 15, 2008

SOURCE: 2002 gmc envoy front suspension noise

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.

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Anonymous

  • 73 Answers
  • Posted on Apr 15, 2009

SOURCE: 1998 GMC Jimmy-Turning Signal Noise

check all bulbs first

emissionwiz

Marvin

  • 85242 Answers
  • Posted on May 07, 2009

SOURCE: where do i find the flasher on my 1995 gmc jimmy

the flasher is right below the radio,under the dash .it take 3or4 screws to take off panel.both flashers are under there.one for your 4 ways,and one for your turn signal.if your four ways work you can fill the flasher to determin which is witch. mine the four ways was on the left,turn signal on the right.they are not in the back of glove box.ther is apanel there with three relays but not for your turn signal.thank u gm jim.u helped me find them.

Anonymous

  • 3533 Answers
  • Posted on May 09, 2009

SOURCE: I have a 2001 GMC Jimmy and a computer check has

if it was me i would give these guys a call and talk to them they sells only GM-parts its Schram auto & truck parts 1800-292-1032 and they website is www.schramauto.com and maybe they can help you narrow it down good luck Michigan Man.

William Cox

  • 24 Answers
  • Posted on Jun 06, 2009

SOURCE: 1998 GMC Jimmy with "turn signal" clicking behind glove box

I have a 1998 GMC Jimmy SLT with same exact problem. I just determined exactly what it is today.
Here is what you should do:

1) Open glove box

2) Notice the u-shape mechanism that prevents the glove box from folding all the way down. (located near top left corner of OPEN glove box

3) Empty contents of glove box and then push up on U-shape and open glove box so that it hangs freely

4) Notice the wiring harness with a bolt in middle of it (located behind glove box)

5) To the right of the wiring harness is a small black box with a zip tie over it. This is the source of your problem. Just slide the zip tie to the right so that the box can then be pulled out.

This is your combination flasher for turn and hazard signals. My signals still worked while this annoying little thing kept clicking. The model # is GM11516051. You can find one on e-bay for at least 1/2 the price of the dealer's.

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