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Chevrolet Impala Transmission Problems

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  • Good morning falcon4420,

    We're sorry to hear that you are having difficulties with your transmission. If you were planning on working with a dealership and want for us to check into this further with them, please email us at socialmedia@gm.com with more information, including your name, summary of the situation, contact information, the last 8 of your VIN and mileage, and the name of your preferred dealership.

    Sarah, GM Customer Service
  • I have to agree with sickofchevy. What good is a vehicle if it keeps breaking down? A 100,000 mile warrantee, that's more than . . . What good is a warrantee if the warrantee repairs don't last? I have always (almost) bought chevys. I own 4 vehicles right now and all 4 are chevys. I love impala's. Well, I used to. I bought a brand new 2002, and had problems. A lot of problems. Fixed them at my own expense. When it was time to buy a new car, I told my wife we should buy an Impala SS. Salesman said it had a different transmission than the "regular" Impalas and was much more heavy duty. I convinced her that was good and it would last. Well, guess what? Transmission started acting up, hard shifts or engine rev then slams into gear, etc. No problem, 100,000 mile powertrain warrantee. Brought it to dealership and they said it was covered. I was told it would be replaced. In the end, they "rebuilt" it. This means, they replaced just what they had to to get me moving again. Why do I say that? We were out shopping for a Camaro this past weekend (planing on keeping the Impala and using the Camaro on weekends) when the transmission started to do the same problems it did when it went out before. We have 12,000 miles on the "rebuild". I went online and found a GM service bulletin that stated the transmission should have been replaced based on what was found in the pan. We stopped looking for a Camaro.
    I'm just tired of buying new cars at top $ from GM that they don't stand behind. If there is a problem, FIX the problem right the first time. Or design it right from the start instead of design a transmission that is not heavy duty enough to take the loads from the engine.
    Now I need to replace my transmission again. And tell as many people as I can about GM and chevy quality and warranties. A 60,000 mile warrantee on a car that doesn't break down is better than a 100,000 mile warrantee on a car that keeps breaking down. And chevy, one by one we will all leave.
  • carguy2013,

    We're sorry to hear that you have lost confidence in your vehicle. If we can check into the situation with your Impala's transmission further, please email us at socialmedia@gm.com with more information (include your name and Edmunds username, phone and address, the last 8 of your VIN and mileage, and the name of your dealership).

    Sarah, GM Customer Service
  • I'm getting the same run around as the other people on the forum. I have 90,500 back in September 2012 I started experiencing the hard shifts of my transmission from a stop to start. Doesn't do it all the time. I heard it could be the Pressure Control Solenoid. I took to to Jim McKay Chevrolet because it's still under warranty. Back in May, 2012 Curry's Automotive failed my inspection due to hub assembly and the leaking of the transmission seal. My husband and brother replaced the seal and new filter,l and put new dextron 6 transmission fluild.
  • I'm getting the same run around as the other people on the forum. I have 90,500 back in September 2012 I started experiencing the hard shifts of my transmission from a stop to start. Doesn't do it all the time. I heard it could be the Pressure Control Solenoid. I took to to Jim McKay Chevrolet because it's still under warranty. Back in May, 2012 Curry's Automotive failed my inspection due to hub assembly and the leaking of the transmission seal. My husband and brother replaced the seal and new filter,l and put new dextron 6 transmission fluild.
  • dwhitmer1960,
    Was your transmission concern resolved in September at Jim McKay? If not, and if you want for us to check into this further, please email us at socialmedia@gm.com with more details (including your name, Edmunds username, phone and address, the last 8 digits of your VIN and mileage, and the name of your dealership).

    Sarah, GM Customer Service
  • I already went to the the local dealership regarding my problem, the service department said that there was nothing wrong with the car and gave me the bill...any thoughts on that Sarah?

    I am confident that there is an underlying problem with Chevy's transmissions as the web is full of owners with the same issue. I cannot afford to and will not go to another dealer and waste my time and money.

    Thanks for your response.
  • I strongly encourage all of you to look into the internal service memos offered by other customers throughout this forum involving the torque converter. There are defects in one of the impala drive trains. Mine happened to be one of them. I have a 2007 SS Impala that I will be selling as soon as it is repaired. The first sign of a problem with your transmission will be a slight vibration while in drive. This will then become a slight groan through normal driving about a month later. Following this, your transmission will begin to slip and lurch violently. I got my car to a chevrolet dealership who told me it was my fault for letting someone other than him do my 50000 mile transmission fluid and filter change. He said, I quote, "a clip was missing". The problem he overlooked was that the transmission had run fine for the next 10000 miles and a year later until the first problems began. As a result, he said the other firm who performed the work damaged the transmission. Fortunately for me the firm that performed the work has taken it upon themselves to tow the car back to their business to investigate every part of the transmission and they have already picked up on the torque converter problem through the computer.

    Before you take your car back to a Chevrolet service center, arm yourself with every internal service bulletin involving the torque converter. Unfortunately, these internal memos have never quite made it into an actual recall which is so sad and shows what the company has become. Good Luck. We were all a Chevy family for many, many years, but unfortunately, things change and companies and their priorities change.
  • Lets face it, the Impala sucks! I personally own a 2001 Impala LS with every option except heated seats. THANK GOD I'M A MECHANIC BECAUSE THIS CAR COULD KILL SOMEONE IF LEFT UNSERVICED! My car is OVER SERVICED and I can barely keep it running.

    Here is a run down of what you need to do to fix the most common problems with the least amount of money.
    1. ABS-TRACTION CONTROL(piece of crap and dangerous)
    -replace wiring from front wheel sensors all the way back as close as you can get to the main branch of the harness. You must solder these wires to ensure it will last and add two layers of shrink tube if you can and then double tape the wiring from the frame out to the tire. NO MORE WASTING MONEY ON NEW HUBS FOR 100 A PIECE!!!!!!! By the way chevy hosed you on the wheel bearing and sensor deal because they are the only brand that has the wheel speed sensor in the wheel hub and are not separate pieces.
    2. TRANSMISSION SLIPPING?
    -ok guys this is a combination deal and not one problem is the main issue. first, change cat and res tube on exhaust. second, get a reverse flush on the tranny and ADD A BOTTLE OF SEA-FOAM FOR TRANNYS(this will save you 1,000's). If you took my advice and changed the cat then you might want to find out what caused it to go bad. well I'll tell you what made it go bad. GM USED CRAP SEALS ON THE INTAKE AND AT 60,000 THEY START TO LEAK AND BREAK DOWN SENDING COOLANT AND OIL INTO THE CYLINDERS AND ONTO THE CAT. The added back pressure from the cat will cause the tranny to work hard and then you get a bad pressure solenoid as a result.
    3. INTAKE MANIFOLD SEALS
    -YOU MUST BUY THE FEL-PRO 2 METAL SEALS!!!!! TO FIX.
    Follow my directions and not the book on install of these! First, you must try to resurface the area around the coolant jackets because of corrosion. Next, a small layer of RTV around the ports and then put the seals on. Next, clean all bolts and put thread sealant on and hand tighten a little at a time following a pattern from the inside out in at least three to four sequences. DO NOT USE A TORQUE WRENCH-TO MANY ISSUES THAT GIVE YOU FALSE READINGS AT SUCH A LOW FT-LB OF 15 LBS. YOU WILL KNOW WHEN YOU HIT THE RIGHT TIGHTNESS BUT NEVER GO PAST TIGHT TO MAKE IT OVERTIGHT. THE SEALS WILL SMASH TO MUCH AND CONTORT.
    4. HEATER/AC ISSUES
    -First off you have a bad resistor if 1-4 settings don't work and 5 does. why? because only 5 doesn't use the resistor because it is full power! If five doesn't work start off by checking the fuse on the passenger side. If the fuse is bad thank your lucky stars. If not then your heater control unit is bad or your fan. You will know what to do if you have the skills for the next steps, if not take it too a dealer.
    5. WATER ON THE PASSENGER FLOOR
    -SUPER EASY FIX- open hood and then take off the plastic cover where your cabin filter is on the pass. side just below windshield. You will see a rubber seal that has fallen off. Use silicone or rtv to stick back in place. You're done!
    6. POPPING NOISE IN SUSPENSION
    -ok now this all depends on what else you've already replaced. If you're at your wits end and have replace almost everything you will understand. Chevy cheaped out and only put one spot on each side of the sub frame to connect it to the unibody. Over time oil soaks the one of the passenger side and it starts to pop when putting the car into gear or hitting bumps and slow speeds.
    Also, the strut tower mounts are made to last a month from the factory lol. They are plastic on plastic and dirt gets in between the plates and they bind up and make the steering feel awful.
    7. TURN SIGNAL INTERMITTENT
    -well this is just plain stupid because the turn signals go thru the hazard switch and if you jiggle the hazard switch when having a turn signal issue and you'll notice they will either go back on or give you a flicker of hope. problem solved and ebay has the hazard switch for 25 if you need it cheap.

    I HAVE REPLACED AND REPAIRED THESE ISSUES SO MANY TIMES ON MY CAR i CAN'T TAKE IT BUT WITH THE ECONOMY I CAN'T AFFORD A NEW CAR. I JUST REPLACED THE ENGINE AND TRANNY IN MY IMPALA WITH A 2004 BUICK REGAL ENGINE AND TRANNY. GUESS WHAT? IT HAS A BAD PRESSURE SOLENOID IN THE TRANNY.....I WANT TO TAKE A ROCKET LAUNCHER TO MY CHEVY PIECE OF CRAP. OUR FAMILY HAS NICKNAMED THE IMPALA THE LIMPALA BECAUSE ALL IT DOES IS LIMP ALONG. I HATE YOU CHEVY AND YOUR DAMN BAIL-OUT AND YOUR UNIONS THAT RIP OFF AMERICANS.

    I WILL BE BUYING A HONDA OR TOYOTA WHEN I HAVE THE MONEY AND I KNOW THEY WILL TREAT ME RIGHT.

    OH AND WHAT'D YOU DO TO YOUR DEALERS? DID YOU TELL THEM TO DO EVERYTHING POSSIBLE TO NOT REPLACE THE CATALYTIC ON THE RECALL. MY CAR HAD 115,000 AND THE CAT WAS SO OBVIOUSLY BAD BUT BOTH CHEVY DEALERS IN TOWN WOULDN'T REPLACE IT. YOU SUCK CHEVY AND I HOPE EVERYONE STANDS UP AGAINST YOU AND YOUR DAMN UNIONS.
  • On November 4, 2012 I have dropped my 2008 SS Impala off at Jim McKay Chevrolet in Fairfax, VA. This will be the second time for the transmission. VIN #2G1WD58C989162178. Hard shifting shutter from a stop 1st to 2nd. Jim McKay said no codes and it didn't do it for them. It's doesn't do it all the time.
  • That is exactly what my local dealer in FL told me, plus no codes on the onstar either....
  • Also told Jim McKay to keep it for 4 or 5 days to test drive it. I also told the service guy that I will come and drive it and have one of the techs ride with me.
  • well #392of 409 If and only If none of us purchased another GM car we can make them feel it, like we have to feel it. just keep telling folks and at some point gm will have to face the loyal customers they screwed! I'm so pro 'non" gm. funny how the dealers know this and will try to get you to buy this crappy car (I know) another of my family members went to gm up in nj rt 22. needless to say when I was done they went across the road and picked up a honda. sorry gm I can't sit back and watch you do this to people.
  • Take it from someone who knows....I have just had my 2007 SS Impala Transmission rebuilt and not by GM since they said the company that last did the routine transmission servicing caused they problem. (the transmission company management were as shocked to find this out as I was but held on to their integrity with me by fixing it at just the cost of the parts to completely break down the transmission.
    I am afraid from the description you provide that you have about 3,000 miles left before the transmission begins to lurch from standing still. Start recording this problem now with GM. If it is not covered under the ORIGINAL 3 year warranty, more than likely, they will not cover it or find a reason not to. They will offer you an option of purchasing a new transmission at about 3,000. Do not accept this offer. The transmission must be broken down. There is a flaw in its design. That is the reason the new transmission is cheaper than rebuilding it. Sorry for your problems. I know how you feel, but I don't think the flush will work.
  • gmcustsvcgmcustsvc Posts: 4,005
    If we can check into this further with your dealership, cwhitmer1960, please email us at socialmedia@gm.com with more information (including your name and contact information, a summary of the situation, the last 8 digits of your VIN and mileage, and the name of your dealership).

    Sarah, GM Customer Service
  • Jim McKay replaced the PC Selenoid on my 2008 SS Impala today, 11/6/2012
  • To all that are having problems at between 60 and 70K miles on their impala transmissions of these years, please note this.

    When you take it to the Chevy dealer of your choice, which is what the gm customer service department will tell you to do, they will offer you a "deal" of putting in a new transmission at around $3,000.00 with a "warranty". Do not accept this option and get out of there if you have to have your car towed to a reliable transmission specialist.

    Ask any transmission company who just handles transmissions and they will tell you how many of the Impala transmissions (also in other gm vehicles) they have fixed. What gm does not want you to know is there is a design flaw in the transmission itself so the option of putting in the same flawed machinery is not as good as it sounds. In order to fix it, it has to be broken down. Now my Impala runs better than it did when it was brand new. It has the feel of so much more responsive power like a car from the late 60's. However, I own this car because it was my dad's last vehicle. I WILL NEVER OWN A GM PRODUCT AGAIN.

    GM blamed my transmission specialist who just did routine maintenance on the car for the beginning problems with the transmission. (NOTE: I HAD ALREADY STARTED A DIALOG WITH GM CUSTOMER SERVICE PRIOR TO THE TRANSMISSION COMPLETELY BREAKING DOWN) Expect this response if your car has been near any other service source.

    Forewarned is forearmed! Buy Ford or a foreign brand!
  • Hey had shutter from a start, then it went away but started sputtering at 80km an hour,took it in to a chevy dealer,6 hours later said it was shift solenoid,3 days later tranny was slipping bad, brought it in for service,got there and when they went to drive in bay I lost all forward gears... now the tranny is out and they say its the forward clutch and drum. Oh I have A 07 SS,
  • Im hoping this takes care of the problems the PC Shift Selnoid. We will see.
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