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Pontiac Grand Prix Steering/Suspension

etcbetcb Posts: 42
edited September 2014 in Pontiac
I own a 2005 GXP and have experiences clunking noised from my steering column (began noticing about 22K miles). The dealer said it was a design defect and that a "grease kit" would fix the problem. Needless to say that "band aid" approach did not work and now the car is back for the 2nd time to fix the problem. Now the dealer is going to relace the steering box assembly which is suppose to be a new design. Funny this wasn't done the first time. By the way, I had the same issue on my 2004 GTP which I had traded-in for the GXP.. Beside the sterring issue, there has been no other problems. Fingers crossed!


  • Did you get the extended warranty, or the basic included?

    Bubbaman (Gary)
  • After dealing with a cadillac dealership with warranty issues, and now a pontiac dealership with warranty issues, i've come to the conclusion that about 80% of the time, the dealerships are "parts changers", and NOT troubleshooting technicians. Maybe they just dont have the time to properly troubleshoot a problem. Ive had situations time after time, where they said they fixed the problem, and no! they changed a part, hoping to fix the problem, shove it on out of the service bay knowing darn well it still wasnt fixed. Im not so sure the tech's i've delt with in the past few years can even read a schmatic.
    P>S> i just had that lube done on my steering a month ago because it was clunking. Thanks for the info. Im sure it will re-appear.
  • etcbetcb Posts: 42
    Covered under 36K warranty
  • bryanbryan Northern VAPosts: 228
    I had the same issue with my '04 Bonny GXP. The dealer replaced the intermediate steering shaft, and the clunking/small vibration I heard/felt at low speeds is gone. The advisor suggested they would lubricate (I guess what your dealer service guy did first) to see if that worked. While I was describing the issue to the service advisor, one of the repair techs piped up with the solution. If it's any consolation, I had the same issue on my '03 Aurora.

    If you should go over to the Aurora boards, you will see a lot of posting by Hammen. He is quite the GM guru, and he was one of the posters that steered (pun intended) me to the correct solution. Good luck and I hope your fix works.
  • All,
    On the highway, how much vibration do you feel in the wheel? I feel a little, almost like it is slightly out of balance, only at 60+ mph. I only have 1000 miles, 1 1/2 months old. I am taking it in on Friday to dealer for a check.

    Thanks in advance,
  • ocmike3ocmike3 Posts: 232
    none and I've had it up to about 100mph.

    latest mileage: mixed 50/50 driving about 21mpg
    hwy speeds were ~70mph with misc in town and to work 0 to 45mph.
  • I'll ditto ocmike3. I have absolutely no vib. in the steering wheel. The thing is rock steady at very high speeds.

    my mpg is hard to keep up because my right foot just wants to go down.....

    My oh my, this car generates some serious interest. Most people can't seem to figure out what it is. I get guys in BMWs and Audis slowign down and speeding up to see what this lowly GP is doing looking so sharp. And the V8??????
  • rayainswrayainsw Posts: 3,017
    "On the highway, how much vibration do you feel in the wheel? I feel a little, almost like it is slightly out of balance, only at 60+ mph."

    - Ray
    Very sensitive to such . .
    2016 BMW 340i
  • bob97bob97 Posts: 16
    My 97 GP would vibrate at speeds on certain highway surfaces (and not on others), but so far not a wiggle from my GXP.
  • dblducedblduce Posts: 58
    I sometimes notice a slight wheel vibration first thing in the mornings on my way to work. personally, i think its from having the tires only inflated to 30 psi, and if its cold out and sitting all night, it almost feels like a "flat spot" on the tires. once i drive a few miles though, it seems to go away.
  • Dealer checked on Friday and said it needed a balance. May have been that way from start and now that the tires have "settled in" needed a balance. How long are folks getting before they need a balance? Will see if fix is permanent.


    PS Last tank city/hwy (40/60) mix 23.5 MPG on mid grade.
  • bubbaman999bubbaman999 Posts: 54
    Drove my GXP again on the freeway and I still think I feel a vibration in the steering wheel, ever so slight, not like out of balance, just feeling every bit of the road. I don't remember this when it was brand new and just had the dealer say it was out of balance last Friday. So what do folks feel with the wheel when they drive. I cannot be sure but feel it even a little when not on the highway. What do others feel? Any ideas? Will probably take it back to the dealer. Only 1500 miles so far.

  • dblducedblduce Posts: 58
    bubbaman999, when you drive on the highway, does the wheel shake back and forth if you take your hands off of it? usually when the front wheels are out of balance, the steering wheel will shimmy, giving you a sign. i recently sold my 87 vette, and it had very wide tires on it, front and back. the steering wheel really vibrated a lot, mainly due to the tire size. since the tires on the GXP are wider in front than the back, maybe part of your vibration could be related to that.

    if it was me, and it bothered me that much, i would take it to my dealer, and have a mechanic drive it to see if they think the vibration is abnormal. usually if someone that knows how suspensions and things work can experience what you experience, chances are they can pinpoint the problem if there is one.
  • bubbaman999bubbaman999 Posts: 54
    Yes they "fixed" the balance last week and unless I am on absolutely smooth flawless road I feel every vibration, even not on the freeway. It didn't do that when right off the lot, now has 1500 miles. Have an appointment for thursday, they may put new tires on thinking but will let you know. By the sounds of other folks they don't "feel" the road on their cars.

  • rayainswrayainsw Posts: 3,017
    " they may put new tires on "

    NB: The key to getting the same tread design/compound is the GM "TPC" code on the tire - that's how you know you've got the same construction.

    - Ray
    Presuming you want exactly the same tire & not a generic brand \ size RE050A . .
    2016 BMW 340i
  • evandroevandro Posts: 1,108
    I wonder if you're seeing the same issue I've had with my Bonneville.

    Even after getting a new set from GM under warranty and a new set out of my pocket, it's still not totally smooth. You can see the last episode of this saga here.

    This issue has been reported by owners of other cars as well, such as the Bonneville's siblings, the old STS and Park Avenue. It seems that as these cars got a stiffer chassis, this issue flared up.

    As the vibration is not all the time in my case, I wonder if it's something else...

    Good luck.
  • bubbaman999bubbaman999 Posts: 54
    Thanks for the info. They looked at the car Thursday and then they drove several on the lot and said that the car seemed normal. They were not planning to do anything. Checked the balance and they wrote it off as a "high performance car" with a good road feel and excellent handling. Don't know what to think, the vibration is slight and varies based on the road surface. Maybe I am being too picky, but my 03 Civic SI that was $17K didn't have any vibration at all on any surface. My 1999 Impala LS didn't either? I will look that link and thanks again for the info. Will keep you posted on its status. I have a long vacation coming up in July and see if it drives me nuts.

  • I have a leak in what appears to be steel tubing in the return line of my Power Steering system. The problem is that the line does not show up on any of the parts dealers parts list that I have visited. It is about a 3/8" OD steel line that has 3 or 4 waves in it a couple inches apart and about an inch or two high. It is clamped to the underside of the vehicle and makes a loop then the input and output turn upward where they connect with the return line from the rack and to the return side of the pump. What is it? can it be replaced without the other two lines? Or, does the whole shabang come as a unit ? Can I omit it and run the return line directly to the rack?
    Thanks for any help,
  • I have recently purchased a 1999 GP SE-3800 with 85,000 miles. As it was used I have no record of repairs. Giving the car a once over I find that the rear tires are wearing very thin on the inside tread. Is it possible to have the rear wheels aliened? The car seams to have been very well maintained and may have replacement struts in the rear.
  • I am a new 1996 grand prix owner. The car continuously "bounces" in the rear. Even after new struts and tires were installed. Is the fiberglass mono spring a replaceable and serviceable item? Could that fix my problem?
  • Sthomas,
    on my 96 grand prix, when I installed the rear struts, I had to have the rear wheels aligned. I did a 4 wheel of course.But yes, the rears are alignable.
    Hope that helps.
  • I have a 2004 GP with 75,000 miles on it. I've had zero problems with it, but just recently noticed a slight tapping/twinging type vibration that I can feel through the steering wheel when I make turns. It occurs mainly when I'm making a slow turn onto a side street and it doesn't make any difference if it's a left or right hand turn. With each turn I can feel the vibration 2-3 times during the course of the turn. Also, it doesn't make any difference if I'm braking or not, I feel it both when braking during a turn or not. The car tracks straight as an arrow and I'm not seeing any premature tire wear. Any ideas at what this might be or how to check it out?
  • We just bought a (used) '99 Grand Prix GTP 4 door. It is an AWESOME car. I have a problem though; if I get on the gas in a lower speed turn (<30 mph) then the remainder of the time the car is on, the power steering system makes a very loud moan when I turn the wheel at a low speed (accelerating or not).

    After some lame research on some random forums, the best idea I can come up with is that it's the power steering pump? I dont know though, I am not too familiar with that noise... :confuse:
  • My '04 had it's steering box replaced at 35K and regreased at 97K. Considering how flawless the rest of the car has been, this small item has been a non-issue in my book!
  • I am researching issues with the noises my 2004 Grand Prix is making when I turn. It is almost like a slight vibration and makes an awful noise. My tires are not the problem, however I suspect it has something to do with my power steering and now reading the issues on this site, I think I'm right. Any ideas as to what can be done? Has anyone had this problem fixed? What was the outcome?

  • I am having a similar problem with my 04 Grand Prix. It whines when I turn. It's worse the colder it is outside. Sometimes it makes a horrible clattering noise when I first start it. I think it's related to the power steering, too but I don't know exactly what. I can't seem to locate the power steering pump or the fluid so I can check the level of power steering fluid.
  • To make it as easy as possible, just take it to the dealer. They are aware and it isn't an expensive fix. I'm now at 110K miles and the car just keeps getting sweeter.
  • My 1999 GT is whining when I turn too. The first time I noticed it was on a day back in February when the temperatures were in the single digits. It would whine when I took a corner fast and then whine for a while after that.

    It was kind of cold yesterday morning, and it did it again, and continued to do it throughout the day.

    Has anyone discovered what exactly the problem is? It went to the dealer today, but it didn't whine for them, so they didn't have any answers.
  • nickkokonickkoko Posts: 1
    does anybody know the answer to this? Wheels turn great to the right but hard to the left.
  • gp1311gp1311 Posts: 2
This discussion has been closed.