Tl* the contact owns a 1995 pontiac bonneville. While driving at various speeds, the vehicle stalled. The contact was able to restart the vehicle. The vehicle was taken to an independent mechanic. The technician was unable to diagnose or repair the vehicle. The failure recurred on numerous occasions. The manufacturer was not notified of the failure. The failure mileage was unknown. Updated 03/30/15*lj the consumer stated the vehicle began stalling in october of 2005. Many attempts have been made to repair the vehicle but, none were successful. The transmission slips. The vehicle began to stall more frequently. Updated 10/21/2015
Pontiac Bonneville slipping problems
16 of the 1,902 owner complaints about the Pontiac Bonneville describe transmission slipping, most of them for the 1995 model year.
- owner complaints
- 16
- worst model year
- 1995
- typical mileage
- 71,000
By model year
- 20052
- 20022
- 20013
- 19963
- 19954
- 19942
Often reported together
Transmission failure 4Check engine light 3Door locks 2Won't start 1Steering noise 1Stalling 1
What owners say
While driving there is hard shifting and slipping in transmission.
When the right front wheel passes through standing water moisture is deflected onto the serpentine belt. The serpentine belt slips causing a loss of power steering which renders the vehicle not able steer until the serpentine belt stops slipping. Multiple occurrences.
All windows except drivers stopped working, all door locks except drivers stopped working. Car was stored for part of winter. I put in a new battery and now I have no climate control. Drivers side is hot, pass is cold. Pass heated seat does not work at all. Sun roof just broke! Steering is making lots of noise, transmission seems to be slipping. Wtf why no recall. How can you purchase a car for 35,000 & it is ?!@#$% before it hits 100,000? My ford has 196,000 no problem, my honda has 235,000 barely a problem. I have owned 4 pontiacs and now im paying thousands to fix the piece of ?!@#$%! Why in the ?!@#$% do my windows not work!! All of them in one day? No door locks, at all? Same day! Now with a new battery, I have 90 deg air on the drivers side & 60 deg air on the passenger side. You try to drive this piece of ?!@#$%!! Now my back passenger side window just fell down!! I have to use a magic marker to pry & hold it up!! We need a major recall on these faulty vehicles. Im a pontiac fan, but ill never buy another one if you cant try and fix this ?!@#$%. My car looks like new but works like it was built by a bunch of idiots!! I am embarrassed to drive this car. It looks better than most 525 b-mirs but I have to tell all my friends that I have no door locks, no air, no windows or anything. Nothing like sitting inside a 135 degree leather bound flagship sweating your ?!@#$% off!! By the time I get to work im a big ball of sweat!! Please stand behind your product. Im seriously looking to spend some of my money to promote a campaign to do nothing but talk ?!@#$%about your products. Get on line for a minute and see how many bonneville owners are really having a hard time with the issues I have listed above! There are thousands!! Time for a recall! Don't u think? Get your ?!@#$% straight gm! My family works for you! We buy you please help!
1. The transmission on our 2002 pontiac bonneville has had problems since purchase new. The dealer eventually sent the car to a local transmission shop but the problem has persisted intermittantly even after many complaints. The transmission slips, shudders on acceleration and shifts erratically. It will slip and then sometimes shift hard. 2. It is very dangerous to drive. The transmission will slip and then shudder as we are pulling into traffic. We have almost been t-boned several times. It has been getting worse lately and I fear that one of these times we will be killed by this proplem. I recently learned that general motors knew of this problem and actually issued a bulletin #0o-07-30-002b in july of 2002. The dealer should have been aware of this as we reported the exact symptoms to the dealer shortly after purchase. 3. The dealer sent the car to a local transmission repair shop that flushed the transmission and changed the filter. It did not solve the problem and any car with the 4t65e transmission pose a significant threat to the owners of these vehicles and to highway safety as you never know when failure will occur. Each of the dozen or more times we complained to the dealer they claimed that they found no problem codes. Gm's internal bulletin suggests that they replace the pressure control solenoid, check line pressure to specifications, check to see if correct electrical signal from PCM is being transmitted and received, access pc solenoid valve control test on the scan tool, and replace valve body. None of these things were done and the transmission has gotten worse creating even more danger. Problem has existed since vehicle was only a few months old.
Dt: the consumer complained about a battery problem. The positive terminal came out of the battery. This happened on august 25, 2005. Had the vehicle towed the dealer because the vehicle would not start. Battery acid was slipping out of it, and the battery was in the back floor board. They neutralized the battery acid and put in a new battery. *ak the consumer believes there is a problem with the AC delco side terminal batteries. The consumer's wife experienced the same failure in her vehicle.
I purchased this car used from a dealer in 2001 in michigan. (I don't think the air conditioning ever worked ). Within a few months the traction control went out. It would be on, when the car started, but within driving 300ft. Would go out and could not be turned back on from the button. A few months after that all of the dash lights went out when ever you turned on the head lights. This was due to a bad switch & a short. Then the cruse control went out. A few months after that we had to replace the head gaskets due to the engine over heating by an unknown cause. 1 month after that we had to replace the engine after throwing a rod and cracking the engine block, due to the fact that there was still fluind in the engine from melted manafold.( this all took place between nov. 2001 & jan. 2002) after that the ignition had to be replaced because one of the wires was severed due to the wheel tilt. (we would tilt the wheel & could not start the car). In nov. 2002 the transmission started to slip, we had it replaced. Then all at one time (2003) the battery went dead, the timing chain had jumped a tooth, the cam sensor, and the spark plugs which had been changed a few weeks before. A few weeks after that the engine overheated again due to a leak in the coolant resovoir bottel, this caused the head gaskets to blow again. It is now 2004 we have an ongoing electrical problem. Since mid 2003 we have gone through 3 PCM & 3 proms due to the fact the they kept frying ( a result of a bad ground that still can not be found), an altanator due to the fact that it had spikes. The check enging light would constantly come on & when the codes were pulled the egr vlave was listed, we replaced it and still the check engine light came on due to a still bad PCM. Now whenever we turn on the blinker the voltage gage moves in time with it due to a short. The RPM's surge at times while car is in motion or at idle, causing the car to satll or backfire. The cause is still unknown.
I have had this car for just over 1 year, I have had to replace the front breaks 3 times and the rotors 2 times and the calipers 2 times, also the passenger rear wheel cylinder has had to be replaced 4 times and needs to be replaced again, also the drivers side wheel cylinder is in need of repair, all 4 doors will not unlock with the remote and the drivers door will not lock with remote, on third battery for this car and there is still a short somewhere causing a fluxation in the volt meter if the blinker is on, antilock break light will come on and off and breaks have failed several times and make a loud niose if slipping, also have had to replace spark plugs almost every other month and heater blower will come on and off at will.
I bought my 1996 bonneville new in that year. Around 20,000 miles the transmission failed and was replaced by the dealer under warranty. At 145,000 miles I noticed the transmission slipping and a smell of burnt fluid. Took the car into the dealer. They flushed and replaced the trans fluid stating the fluid was burnt (meaning not useful any more). I had the fluid changed a couple of times during the life of the car as I also insure all maintenance is done. That flushing lasted about 1,000 miles before the trans began slipping again and this time the check engine light came on. The result was my 3rd transmission at a cost to me of $2,500. I realize I have a lot of miles on the car/engine/trans but with proper maintenance, as I've done, I would expect a longer life from the transmission!
Our problems started with the transmission slipping at initial launch. A real suprise and safety concern when pulling into traffic. This would happen without warning. I dropped the transmission oil pan and revealed metal debris and gear teeth. Upon further investigation, I have learned that a (alleged) defective thrust bearing, supplied (1999) by gm's supplier, fails and destroys the 'sun/reaction gearset' and the debris contaminates the inside workings of this 4t65-e transmission. Just showing the debris to the gm service manager, they offered to do a 50/50 split on repairs. I insisted on 100% since the transmission didn't even make it to the recommended 50k oil and filter change. With the fact of not getting a written estimate, but a verbal estimate of a max cost to me of $3500 for the repair, I had an independent rebuild the unit. There is a technical service bulletin #03-07-30-017 issued may 7, 2003, describing the dealer fix (rebuild) for this failure. This tsb covers this model trans that is used in 1999-2002 buick century, lesabre, park avenue,chevrolet monte carlo, venture, oldsmobile intrigue, silhouette, pontiac bonneville, grand prix, montana, 2000-2002 chevrolet impala, 2001-2002 pontiac aztek, 2002 buick rendezvous, all with the transaxle auto 4-speed, 4t65e(rpo mn3) there is a technical service bulletin written #03-07-30-017 issued may 7, 2003. It is also understood that the replacement thrust bearings are correctly made now, and for the 2004 model of this transmission, gm is using a special coating (balzer coating) on the 'sun/reaction gearset' to increase durability of the components
Related recalls
Power train: automatic transmission
- What is wrong
- Vehicle description: passenger vehicles equipped with 4t65e automatic transmissions. These vehicles fail to conform to the requirements of fmvss no. 102, "transmission shift lever sequence." a retaining clip, which secures the manual valve to the linkage of the transmission detent lever, can become loose under a combination of possible driver shifting maneuvers and allow the link to become disconnected from the manual valve.
- Risk
- If the link disconnects, the driver's indicated prndl state may differ from the hydraulic state of the transmission. If the driver selects 'drive' and the transmission is actually in 'reverse', a vehicle crash could occur.
- Remedy
- Dealers will replace the manual valve/link assembly with a replacement manual valve/link kit, featuring a spring-type fastener.
Recall number 99V089000 · Recall details
Power train: automatic transmission: cooling unit and lines
- What is wrong
- Vehicle description: passenger vehicles manufactured from august 1991 through july 1995. The transmission oil cooler line can separate when the vehicle is operated in low temperatures in combination with high transmission loads.
- Risk
- Vehicle fires can occur due to the spillage of transmission fluid.
- Remedy
- Dealers will replace the transmission oil cooler lines.
Recall number 96V015000 · Recall details
Power train: automatic transmission
- What is wrong
- The console mounted shift lever may disengage from the shift control cable bracket causing loss of gear indicator reference and shift selector operation.
- Risk
- The driver can place the gear shifter in the parkposition without setting the parking brake and the transaxle may not actually bein park, resulting in unexpected vehicle movement if the vehicle is stopped on agrade. Also, the driver can place the gear selector in drive or reverse withoutturning the engine off and the transaxle may not be in the position indicated,causing the vehicle to move in the opposite direction. Both conditions canresult in a vehicle accident without prior warning.
- Remedy
- Install two transaxle shift control cable retaining clips.
Recall number 91V198000 · Recall details
Power train: automatic transmission
- What is wrong
- Transaxle shift control cable may disengage from shift control cable bracket, causing loss of gear indicator reference, and shift selector operation.
- Risk
- The disengaged cable could falsely indicate transmissiongear position, and the vehicle might be left in reverse or drive when the drivermoved the gear selector to park or the opposite direction. A vehicle left on anincline without parking brakes when the gear selector is placed in park couldmove. Either case results in unexpected vehicle movement without prior warningand could cause a vehicle accident.
- Remedy
- Install a transaxle shift control cable retaining clip on the shift control cable bracket on top of transaxle.
Recall number 91V131000 · Recall details
Questions about the Pontiac Bonneville slipping
Which Pontiac Bonneville years have transmission slipping problems?
The model years with the most reports are 1995 (4 complaints), 1996 (3 complaints) and 2001 (3 complaints).
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