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Chevrolet Impala Steering/Suspension

jugjug Posts: 4
edited July 2014 in Chevrolet
I have a new 2004 Impala LS with the 3800 engine that has an ongoing problem with the power steering making an annoying hissing noise beyond what is normal. It definitely gets a lot worse and more noticeable when the outside air temperature is over about 40 degrees. It is almost non-existent when the weather is cold. It can heard quite easily at a idle and when driving under 10 MPH. The power steering pump,lines and rack have all been replaced. The dealer doesn't know what else to do and are now saying that they all do it. I am hesitant to believe that and the ones that I have listened to are all quiet.


Anyone else having a similar problem ?


  • hknoepflehknoepfle Posts: 45
    2002 LS - Like this car alot. Finally the dealer fixed the low rpm tach noise. I am feeling a light thump in the steering wheel whenever I apply the brakes. I am nearing the end of my warranty period and would like to not have to pay for the fix. Any info??
  • hogboyhogboy Posts: 84
    Sounds like the dreaded warped brake rotor problem. Our '01 LS rotors had warped twice in under 30k, had 2 manifold gasket leak problems along with the ISS steering shaft lube and peeling roof strips. Loved the car for it's interior room, size, ride, gas mileage and style but couldn't keep dealing with the problems so we dumped it. Hope you have better luck with yours.
  • gleidygleidy Posts: 1
    I had the clunking and creaking in the steering columns when turning and hard braking. I have a 2001 Impala LS with 48,000 miles

    The dealer lubed the IIS (intermediate steering shaft) and the clunking and creaking has gone away.

    The total cost was $91.68. The lube kit number was (26098237) and costed 10.61.
  • tkccetkcce Posts: 5
    I have a 2002 LS with the low rpm tach noise. Dealer replaced instrument panel cluster, but still makes the noise. What did the dealer do to fix your problem
  • I left my car with the dealer for a week, they gave me loaner and sent MY cluster in to have it silenced. They then re-installed MY cluster in and the low end noise was gone. The problem they are having is they are not replacing the cluster with a KNOWN good unit. They first told me it was an inherant noise for the Impala, BS on that. I told them to get it so I can't hear it and they got it right on the third try.
  • A heads up to all 2000 owners! I recently had to replace both my power steering pump and power steering cooling line.

    There is a plastic splash guard underneath the power steering pump. This guard rubbed against the cooling line which created a small hole in the aluminum. I started hearing a grinding noise while steering and found the problem. $280.00 at the dealership to replace both. The new line is still aluminum, but it has additional guards on it to prevent rubbing.
  • Is it a thump, or can you kind of feel a click in the wheel. My husbands father and uncle both told me there was nothing wrong with my car, but since I drive it everyday I knew something was wrong. I took it to the chevy dealership and he told me there was a TSB out on the steering staft. He said they were underlubed and needed to be changed out. That was in August. After I got it fixed there was nothing wrong until last weekend. I pulled into my driveway and my wheel went loose and I almost hit my house! The tow truck came and picked it up because my steering wheel was doing 360's over and over with no pull. The dealership said it was going to cost them a fortune to fix because that steering shaft they fixed snapped in half!!! and they were going to have to take everything out of the front of my car to get all the pieces out. I told them I don't care how much it costs, fix it! It has been 2 days and they aren't done with it yet but they are paying for the tow, rental car and all of the fix. So anyone who's steering wheel has a click in it, go get it fixed. The first time they paid for it in full also, because there was a TSB out on it. Good Luck to all.
  • dgonzalez13dgonzalez13 Posts: 110
    what were the warning signs? how can someone see them starting to wear out and avert major problems? Thanks in advance for the info...
  • sportymonksportymonk Posts: 258
    Popping in the front suspension that could be felt when turning while pulling out from a stop. Sometimes when going over bumps. I didn't have a problem or accident, I was in for the OFL and asked them to look at it. Not sure what ultimately would have happened if let go.
  • dgonzalez13dgonzalez13 Posts: 110
    I asked because while waiting to make my left hand turn yesterday at lunchtime, a woman pulled into the intersection in front of me. She appeared to have stalled out, so I pull my car to the side and got out to help push her out of the intersection.

    Turns out she wasnt getting pushed anywhere, her drivers side wheel and hub had seperated and the wheel was sitting sideways in the wheel well. I read your post about wheel bearings and thought of her.
  • sportymonksportymonk Posts: 258
    Wow! That's what was on my mind when they told me the problem. Glad I had it fixed. thanks for the info.
  • jopuvajopuva Posts: 4
    If you have the 3.8 engine, the oil change people may not be checking your power steering fluid. The reservior is extremely difficult to find and get to. I had awful noises for a month when turning the steering wheel. When I finally found the reservior, the fluid was very low, despite having had the oil changed a week before -- and they marked the power steering fluid as full!!!!

    It is located directly beneath the alternator near the back of the engine. You can't even see it! Stick your hand down below the passanger side of the alternator and you can feel it. You will need a flexible tube funnel to get the fluid into it.

    As soon as I filled it up, the steering noise was gone. You practically have to be a contortionist to get to it. No wonder Impalas have so many steering problems!
  • dstowersdstowers Posts: 5
    I have experienced the same (or very similar) issue on my 04 Impala that I got in Oct 04. It goes from being a slight scraping noise to a high-pitched whistle at varying points. Like you, I was shown it was "normal." This problem, combined with various other little glitchy things that shouldn't have made it past QC, have convinced me to start steering away from GM products in general.
  • robinlynn2robinlynn2 Posts: 1
    I started reading the posts on this board from number 1 and realized that the problems I am having with my recent 2002 Impala LS purchase are common. I hope that someone can give me the information I need without my having to read all 1191 posts!

    First the ISS; I was familiar with a problem in the steering column because my daughters cavalier also has a clunk in the steering wheel. I bought the car anyway. Unfortunately, I made the mistake of buying the Impala from a used car lot. Not a Chevy dealer. I had them replace the Steering shaft(?) was fine for a couple of weeks, now the problem feels even worse. In addition the traction control system keeps kicking in, the abs light comes on occasionally and the service traction system warning light comes on. I replaced the starter and along with the battery last week because car wouldn't start intermittently at a cost of $520. I am waiting for a paycheck to take the car in for the abs/traction control problem...

    Anyway, can anyone tell me where to get recall information - if there is any on the 02, and has anyone had success getting repairs on the list of "defects" that this car seems to have without paying thousands and without the car being under warranty? I bought the car in November '04 -the warranty that I received was up at the end of March- three weeks before the brake problem started. Thanks in advance for any and all help. :confuse: P.S. - despite the headaches - I love this car. I must be crazy.
  • txguytxguy Posts: 57
    abs, trac control lights coming on. Each wheel has a sensor. It is one of the reasons the wheel hub, bearing assembly is so expensive. I know, I just had two front units replaced. Though I only paid $618 total for both installed. My '01 Imp LS has 127,000K miles and going strong.

    Anyway, there is a good chance one of the sensors is malfunctioning. That would tell your car's computer that one wheel was moving at a different speed than the other three thus triggering the traction control response and the warning light.

    By the way, the bearings as part of the wheel assembly are not limited to Chevy. :shades:
  • I cannot find the power steering reservoir for my 2000 impala
  • charts2charts2 Posts: 618
    If you have a 3800 engine. Facing your engine from the front, the reservoir is located on the passenger side of the engine compartment, on the right side of the coolant reservoir down below the back of the altenator 6 inches out from the firewall. It is very difficult to reach. Use a flashlight. Several inches down you will feel the cap. If you remove the cap hang on tight its very easy to drop and difficult to pull out past all the hoses. I just had mine flushed out by the dealer on my 2001 LS 3800. If you have a 3400 engine it might be in the same location.
  • if your standing in front of the car its on the left side behind the valve cover in the back of the motor its is like halfway down kinda hidden
  • Did you get the traction control problem repaired on your 2002 Impala? I also own one and seem to be experiencing the same problem you had, in that the traction control comes on occasionally for no apparent reason. Any help you could give would be greatly appreciated. Thanks
  • Hi all,

    I've lurked here looking for info on my 2002 3.4 Impala steering clunk and was happy to learn that GM has acknowledged the problem and upgraded the ISS part. Armed with this information I took the car to my dealer and told them "I have the ISS clunk". They said it's a known issue and they could put the new version of the ISS in. About $200. Note that the first time I had them check the clunk I was vague in my description and the dealer said nothing was wrong. Being informed and direct was the key to getting a resolution.

    Thanks to everyone who shared their information!

  • I just brought back my 2005 LS back to dealer complaining of a real slight feel in steering wheel when I go thru turns and they changed steering shaft with warranty. I recommend anyone who feels anything in steering wheel on new car to bring back to dealer! :)
  • I have 26,000 miles on my 03 Impala. I noticed a clicking in the steering wheel when turning. The car drives fine.

    Is this the start of a tie rod problem?

    Any recall information? It just went off warrantee (of course).
  • I have a 2005 Chevy Impala 27,000 miles on it and I had the same problem( so did my mom and dads 05 Impala' s.) We took them back to the dealership and it was explained to me that it is well know problem with the 2002-2005 Impala' s. It is not a safety hazard more of annoying. It has something to do with the boot.( when the came out with the 2002-2005 model they didn't change the size) If you call the nearest dealership they will take care of it for you.(free). I got mine replaced (so did my parents) at the cost of the Chevrolet. Dealership says it is a well know problem with Chevrolet because its not a safety hazard they didn't do a recall.
  • I've had the same thing with my '03 Imp [last week] w/ 35K on it. They added some type of grease fitting kit and it's taken care of the problem---- free

    AND I've had the right upper manifold gasket replaced too-- still under warranty.

    Now WHAT can I expect?? Anyone?

    Japanese looks better all the time.
  • You can expect your catalytic converter to go. Even if and when your warranty expires GM will cover the issue until 120,000 miles replacement and labor free.
  • nosirrahgnosirrahg Little Rock, ARPosts: 872
    Expect the switch for the driver's power window to go out at about 60-70k miles. Easy enough to replace yourself (part runs about $90 new), but just hope it quits with the window up (mine didn't!).

    I've had Japanese too; had an '89 Celica that had a power antenna that never worked very well (if at all), heater control went out ($400 for the part new; tried to save money buying a used one, which also didn't work), replaced the muffler SEVERAL times (finally got a Midas "lifetime" muffler, which lasted a little longer, but still had it replaced a couple of times on their dime), broken seat belt, rear window defroster, etc. in @ 115k miles. And '89 was the LAST year of that particular body style, which should have meant they had all the bugs worked out.

    Also had a '95 Geo Prizm (aka Toyota Corolla); I know we replaced an axle on it before it hit 90k miles, radio knobs fell off, etc.

    Not knocking Japanese cars; just saying all cars have their problems. I think a lot also depends on the driver; several folks here have complained about bad brake rotors on their Impalas...I'm still running my original rotors, and only changed pads once so far (just over 90k miles). I'll probably replace my rotors when I replace my pads in a month or so, mainly just because I want to try to upgrade them somewhat over the OEM rotors.
  • Hello,

    I recently inherited brother in-law 2001 Impala. Only has a little over 47K on it. Have the clunk sound. Took it to dealer earlier this month. I also found a TSB for the ISS. Dealer supposedly ordered part, couldn't fill order. Said there part no longer available. Said revising part and said new TSB released in January this year (I haven't been able to locate it). Said, only thing could do is take out and grease it. I've read others have done this but only to find problem comes back.

    So my question? When you say put in "new version" was this an upgrade over the original design? Trying to figure out if dealership just doesn't want to help me.
  • nosirrahgnosirrahg Little Rock, ARPosts: 872
    As far as I know (2000 Impala owner posting here since early 2000), there was no improvement made to the ISS...they simply took out the old one and put in a new one, hoping it didn't develop the problem. I had mine greased early on (where they tap in a grease fitting and basically fill the thing with lube), and thus far haven't had the problem return. I wouldn't be afraid to go that route if it's an option.
  • sep1sep1 Posts: 3
    I am also experiencing the exact same issue you have described. Mine is an 04 with 25000 miles. The dealer has done nothing and either tell me it is normal or they cannot reproduce my complaint. I had a service manager ride with me and finally said they could here the hissing noise, but said it was normal. I have a hard time with that response as I did not hear it until about 5000 miles ago. If anyone has had this issue and resolved it please let me know what your fix was!
  • nosirrahgnosirrahg Little Rock, ARPosts: 872
    Some time ago I think I posted here about a whining noise I had in my 2000 Impala, which only occurred when making a sharp left under relatively heavy acceleration. The whine was independent of the transmission, but varied with the RPM of the engine (you could put the car in neutral and rev the engine, and the pitch would rise and fall, even though the car's speed remained constant).

    FWIW I finally took it in yesterday to have someone look at it, and the problem was simply low power steering fluid. I was afraid it was the alternator or a bearing, but topping off the fluid solved the problem. No signs of a leak or anything, so the assumption at this point is that it lost fluid over time and eventually got low enough to make noise.

    BTW today marks the 6th birthday of my 2000 Impala; I ordered it in early in 2000, and today was the day it rolled off the assembly line (I took possession 3/23/00). Almost 91k miles at this point, and other than the ISS and intake manifold (and front rotors that required turning early on, but that are still on the car), I've really had no other problems and I'm still happy with the purchase. Looking back I don't think I'd have been as happy with another car as I have been with this one. My oldest daughter (13) is disappointed that I'll have probably sold this car before she turns 16, and she'll likely inherit my wife's 2003 Accord. Maybe we can send her off to college in a 2012 AWD Impala!!
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