Differential Unit Problems of Cadillac CTS - part 1

The contact owns a 2015 Cadillac Cts. The contact stated while driving 65 mph, the vehicle shuddered and made an abnormally loud sound. The contact exited the highway and drove to the nearest mechanic shop at a gas station. The mechanic diagnosed the vehicle and determined that the rear differential was fractured and needed to be replaced. The vehicle was being repaired. The contact related the failure to NHTSA campaign number: 20v038000 (power train); however, the VIN was not included in the recall. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 98,000.

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The contact owns a 2015 Cadillac Cts. The contact stated that there was an abnormal loud clunking sound coming from the rear end of the vehicle while the vehicle was shifting into gears. The vehicle was taken to amco transmissions & total car care, where it was diagnosed that the rear differential had failed and needed to be replaced. The contact stated that the vehicle was previously serviced under the NHTSA campaign number: 20v038000(power train); however, the failure persisted. The vehicle was not repaired. The local dealer and the manufacturer were notified of the failure. The failure mileage was 125,000.

The contact owns a 2015 Cadillac Cts. The contact stated while driving at various speeds, she became aware of a grinding sound on the rear end of the vehicle. The contact also noticed an unknown sound emanating near the brake pads; however, the contact stated it was not the brake pads. No warning lights were illuminated. The vehicle was diagnosed by an independent mechanic who diagnosed that the differential needed to be replaced. The vehicle was not repaired. The contact related to the failure with the NHTSA campaign number: n192279370 (rear axle differential seizing). However, the vehicle was not included in the recall. The manufacturer was not informed of the failure. The failure mileage was approximately 157,000.

The contact owns a 2014 Cadillac Cts. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormally loud sound. The vehicle was taken to an independent mechanic, who diagnosed that the rear differential needed to be replaced; however, the part was on backorder. The vehicle was not repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 41,000.

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The contact owns a 2017 Cadillac Cts. The contact stated while driving at various and making turns, the rear of the vehicle was dragging. Additionally, the contact stated that the rear tires had blown out. The vehicle was taken to an independent mechanic, where it was diagnosed that the rear differential was leaking and needed to be resealed. The mechanic ordered new seals and pins from the Cadillac dealer. The vehicle was being repaired. The dealer was notified of the failure. The manufacturer was not notified of the failure. The failure mileage was approximately 65,000.

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The contact owns a 2014 Cadillac Cts. The contact stated while driving at various speeds, there was a grinding sound coming from rear end of the vehicle. The vehicle was taken to the local service center who discovered metal shavings inside in the rear differential fluid and informed the contact that the rear differential needed to be replaced. The vehicle was not yet repaired. The local dealer was notified of the failure, but no assistance was offered. The manufacturer was not yet contacted. The failure mileage was 84,000.

Power train | differential | rear axle blown | roll pins fractured yes = inspection available yes = safety of family and friends lives were at risk at any moment the differential decides to cease up. Local Cadillac dealership inspected + independent mechanic inspected no warning lamps prior to differential malfunctioning + roaring noise after malfunction service engine + service stabiltrac + traction control light emitted. Cause = gm Cadillac safety fraud + defective differential thousands of complaints online. Gm is only recalling the Cts-v series and no other Cts when its clear and evident that all Cts's 2014-2015 differentials are defective. Owners are left with no options and vehicle of no value = complete loss due to gm stopping production of differential & providing no recall. There are no differentials in the USA to repair vehicle. Even Cts-v tier that is recalled are getting no help & gm turns a blind eye this is criminal | no recall | no equivalent vehicle offered for transportation complete loss of investment | upside down on finances | hardships Cts was rated with a 5-star safety rating = complete fraud its a major safety violation and risk to Cts owner's / families as well as anyone on the road thats near a Cts when differential goes bad with no prior warnings. At this point owners have been waiting years for a solution that gm will not provide. Which in my eyes is criminal and knowing about how severe this issue is and doing nothing to show they care for their consumers. Gm / Cadillac should be investigated on this issue immediately with an immediate solution | lives are at risk. Also whomever determined that the vehicle has a 5-star safety label. People have died due to this differential going bad at high speeds. And the problem is listed everywhere online by all tier level 2014-15 Cts owners. Not only are owners robbed their life is put at risk of death plus the loss of transportation = loss of job = downward spiral.

The contact owns a 2014 Cadillac Cts. The contact stated that while driving at various speeds, an abnormally loud grinding sound was coming from the rear end of the vehicle. The vehicle was initially taken to an independent mechanic and the contact was informed of a fault with the rear differential. The mechanic referred the contact to the dealer for assistance. Once at the dealer, it was confirmed that the rear differential had experienced internal grinding and needed to be replaced. The manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was approximately 50,000.

The contact owns a 2014 Cadillac Cts. The contact stated that while starting and also while driving at various speeds, there was an abnormal loud roaring noise detected from the rear end of the vehicle. There were no warning lights illuminated. The vehicle was taken to an independent mechanic who informed him that the failure was due to the rear differential. The local dealer was contacted but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The approximate failure mileage was 84,000.

The contact owns a 2014 Cadillac Cts. The contact stated while driving approximately 5 mph, there was an abnormal roaring sound coming from the rear of the vehicle. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that the rear differential needed to be replaced. The vehicle was not repaired. The contact informed the dealer that the vehicle had experienced the failure listed in NHTSA campaign number: 20v038000 (power train). The manufacturer was notified of the failure and the contact was informed that the VIN was not included in the recall. The approximate failure mileage was 162,000.

The contact owns a 2015 Cadillac Cts. The contact stated that while driving at various speeds, an abnormal rattling sound was coming from the rear end of the vehicle without warning. The contact had taken the vehicle to a dealer where they diagnosed the failure as a leak in the rear differential. The contact was initially informed that the repair would be covered under warranty; however, a few days later, the contact was informed otherwise. He was then informed that the vehicle would not be covered under warranty and was given an estimate for repair. The manufacturer was also notified of the failure and provided a case number. The vehicle had yet to be repaired. The failure mileage was approximately 80,000.

The contact owns 2014 Cadillac Cts. The contact stated while driving approximately 40-50 mph, there was an abnormal sound coming from the rear of the vehicle. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that the rear differential needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 55,000.

There was a very loud noise coming from the back of my vehicle while driving. Mechanic showed me the rear differential fluid has metal shavings in it and he said the car was dangerous to drive. Dealership told me to call general motors at (800) 222-1020 and they told me to take it to the dealership and gave me file number 9-6712786810. It is at ig burton, milford, DE, now for diagnosis.

Heard a whining noise coming from the back of my vehicle when stepping on the accelorator, took my vehicle in to get a inspection and turns out the roll pins in the rear-axle differential are close to fracturing, increasing the risk of a crash. There is already a recall in this reguard to 2014-15 Cadillac Cts (v-sport) models but no other Cts models get the recall. I have a 2014 Cadillac Cts (luxury) sedan, hoping there will be a recall for all Cts models in regards to the huge safety issue. ## #vpic# 1 - check digit (9th position) does not calculate properly #vpic#.

Starting around the end of February, my 2014 Cts 3. 6 awd started to have noise from the rear end while driving. The noise becomes louder if I drive faster and the car wobbles. I feel extreme unsafe and have visited individual mechanics, and mechanics told me the issue is from the rear differential. They said they don't have the parts, and cannot fix the problem. Through my research, the rear differential problem seems to be common among the Cts model. However, while there is a recall for the Cts vsport, no actions are taken for other versions of Cts. From NHTSA complaint site, several compliant cases have been filed for the non-sport Cts. There are other cases mentioned across the internet: https://youtu. Be/ucmimohfepq . This problem sould be taken seriously to avoid safety risks. I believe this rear differential issue is a serious safety problem. I would like to 1. Get replacement part and service from the manufacturer to fix the rear differential issue on my car and get reimbursement for all costs 2. Urge the manufacturer to put the Cts make onto the recall list for safety of other Cts owners.

On October 27th, I took my car to the shop for an oil change and inspection. I was told by the mechanic that my rear differential was going out and there were metal shavings in the compartment. The sales rep, nick, said there was not a recall and the repair would be $3300. Through my research that there is a recall for "defective rolling pins in the rear differential that were fatiguing and fracturing and eventually causing the rear end to lock up" but only for the 2014 Cadillac Cts-v not the regular Cts. Since this was a safety issue, I had to rent a car on 11/11 to get to and from work. After conversations not receiving any cooperation from Cadillac corporation, I was referred to gm corporation. They negotiated a discount, reducing the cost for repair from $3300 to $1400. The repair was not completed until 12/1. They reduced the price by another $500 the day I picked up my car. So, I paid $900 for the repair and $517. 17 for the car rental (total $1,417. 17). Although they significantly reduced the cost of the repair, I still believe this was a safety issue and an expense that should have been covered in the recall. The rear differentials in a Cadillac Cts-v and Cts are the same. The Cts-v has a stronger engine, meaning more torque, which means the rear differential in the normal Cts should last even longer. My 2014 Cadillac only had 70,000 miles; therefore, the rear differential should not have gone out so soon. I would like to be reimbursed for all costs and see this item put on the recall list for the safety and benefit of other Cts owners.

There have been many, many complaints about the 2014 Cadillac Cts 3rd gen rear differential going out at way to soon. Before the 80k mile mark in alot of these cars. As expensive and rare as this part is, it should not be failing or leaking so soon, as it is the main part that moves the wheels in a rwd car. I did not believe it at first but after my purchase the rear differential went bad at only 75k miles. I replaced it, with a used rear diff that had only 50k miles, 10k miles later, it starts leaking and going bad again. Even used ones are a whopping $1k and up. This part should definitely be investigated at all dealerships nationwide, I assure you that there is an unreasonable amount of records of this part going bad to soon.

Tl the contact owns a 2014 Cadillac Cts. The contact stated while his sister was driving 40 mph, she heard an abnormal noise. The contact stated no warning light was illuminated. The driver continued driving to her destination. The vehicle was taken to an independent mechanic and the mechanic stated that the rear differential was needing to be replaced. The contact called gateway Chevrolet Cadillac (501 38th st s, fargo, nd 58103; (701) 282-5522) and made the dealer aware of the failure. The vehicle was not diagnosed nor repaired. Upon investigation, the contact associated the failure with NHTSA campaign number: 20v038000 (power train) however, the VIN was not included. The manufacturer had been informed of failure. The failure mileage was approximately 60,000.

The contact owns a 2014 Cadillac Cts. The contact stated while driving 30 mph, the contact stated an abnormal smell was coming the rear of vehicle. The contact pulled over to a local gas station and found out that there was gear oil on the exhaust and muffler. The vehicle was taken to local dealer mossy Cadillac located at 241 frontage rd suite b, picayune, ms 39466 where it was diagnosed with the rear differential needing to be replaced. The vehicle had not been repaired as of yet. The manufacturer had been informed of failure and referred the contact to NHTSA. The failure mileage was approximately 94,000.

The contact owns a 2014 Cadillac Cts. The contact stated while driving approximately 50 mph a loud grinding sound came from the rear of the vehicle. The contact stated no warning light was illuminated. The contact had taken the vehicle to a local dealer, where it was diagnosed that the rear tires needed to be replaced. The contact had both rear tires replaced, however the loud grinding noise re-occurred and would now sound when the contact would start the vehicle, place it into drive (d) and slowly accelerate. The contact took the vehicle back to the same dealer who determined that the rear differential needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 78,000.

There is a recall for the rear differential. I, along with several other owners have been waiting on parts for several months. Gm does not seem to be taking this seriously. We are also not being provided with loaner cars and as such, risk injury every tube we drive.

There is a recall on my vehicle, pertaining to the rear-axle differential, gm recall n192279370. I was notified of this recall during the first quarter of 2020. I received a letter stating that parts were available mid-may 2020. On June 29th 2020, I contacted my local Cadillac dealer, harvey Cadillac of grand rapids, to request the necessary parts to repair the vehicle. They were unable to give any timeline on parts availability or timeline on repairs. I was unable to get a loaner or rental assistance through harvey Cadillac and was instructed to contact Cadillac customer care for further assistance. I made contact initially on July 7th 2020 and was given a case number and received a boilerplate response about lack of parts via voicemail. In documents submitted to the NHTSA, gm stated that courtesy transportation may be made available until repairs were able to be made, and referenced company memos indicating how this were to take place. Further contact to Cadillac customer care requesting this loaner/rental assistance via multiple telephone calls, voicemails, and social media went unanswered. I have not been able to make contact or prompt any response since that initial July 7th despite multiple attempts. Harvey Cadillac on August 17th stated no progress has been made on parts availability or a time frame on when the repair could be completed. Today's date is August 31st, 2020, and it has been nine weeks since I initially called to schedule repairs for a serious safety issue that could put my families safety at risk. I have been advised by dealer and corporate representatives that I should avoid driving the vehicle if possible, as the rear differential could lock up and cause a crash at any time without prior warning, but have been given no solution or assistance as to how to accomplish such a measure. I have no estimated date when the repairs could be completed.

My 2014 Cadillac Cts vsport is part of gm recall n192279370 (failure of roll pins in the rear axle differential). In early July, I began the process to have the repair accomplished, but the dealer (bob moore Cadillac in edmond, oklahoma) told me there were no parts available to accomplish the recall. Six weeks have passed since that intial contact and there are apparently still no parts in stock at any level. This is an important safety recall, with the possible consequences of the failure (locking up of both rear wheels at highway speeds) being very serious. I implore the NHTSA to pressure gm to come up with the necessary assets to get this accomplished on all 2866 affected vehicles, or provide equivalent transportation until such time it can be done.

This complaint is regarding an active recall on my Cadillac. . . Manufacturer recall numbern192279370 and NHTSA recall number20v038. I was notified of this recall and in may 2020 that the parts to fix the car were now available. I went to make an appointment for the repair and the parts were no longer available and were on back order. As of this date the parts are still not available. It sounds like this recall could potentially be a serious issue, but gm seems like they are dragging their feet on fixing the problem! it will soon be 5 months since I was notified of the parts supposedly being available but my car is still not repaired. It seems a bit unreasonable to me for this to be taking soooo long to fix a serious flaw in the differential. Is there anything that can be done to speed this process up? thank you for any assistance that you can offer.

Rear differential at risk of failure. I contacted Cadillac customer service and they did not see the recall in their system and advised me to contact NHTSA. They said that the NHTSA did not show a recall for that vehicle.

2014 Cadillac Cts awd. Vehicle started hesitating while turning. Which turned into a whine and then grinding from the rear differential. Noise starts at 30 mph and increases as speed increases. Have seen many cases of Cadillac rear differential failing. Issue verified by the dealership February 2021. Now gm has no replacement units or repair parts for this differential. Gm part 84110751.

At about 100k I noticed the axle seals on the rear differential is leaking. There are recalls on this but not based on my VIN number. When I noticed this the car was on a lift in the air being inspected by a mechanic.

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I am writing this because I have a complaint. I have never been notified that this car has a recall with the differential. Not from the dealer nor gm. I have read that cars have locked up at high speed resulting in near crashes. I am also reading that there is no fix for this yet. There are cars sitting at Cadillac dealers for months with nothing done yet. This concerns me this could happen to me and my car. The real problem is I have not been notified and I bought this car as a cpo from valenti Cadillac in hartford CT. If I hadn't looked around I would never have known this car has a rear differential recall that is dangerous.

My car is part of recall #n192279370 which was issued almost 8 months ago. The recall is for an issue with the rear differential which can lock up and seize without any warning or symptoms. Gm has deemed the car safe to drive despite saying this in the recall notice. . . "if the condition occurs while driving, the rear wheels may lock up. This may affect the driver's ability to control the vehicle, increasing the risk of a crash. " for almost 8 months now I have been waiting for the parts to be sent to the dealer to fix the car. I am afraid to drive it and it has been sitting in the garage for the majority of the past 8 months, which has left my family short a car. Gm will not provide a rental car at this time, which the possible exception of when the car is actually in for service once the parts finally arrive. At this time there is still no firm date on when the new parts might arrive and I am left with a car that could have the rear wheels completely lock up without warning at any time should I choose to drive it. This is dangerous and unacceptable.

The contact owns a 2014 Cadillac Cts. The contact stated that when driving at 60 mph, a loud noise emitted from the vehicle rear of the vehicle. Control of the vehicle was lost and headed head on to the opposite of the highway to oncoming traffic. The brake pedal was applied but the rear tires seized, as a result the rear of vehicle skid and smoke emitted from the burning tires. The vehicle came to a halt in the middle of the incoming and outgoing highway. The vehicle was not drivable and police officers remained on the scene directing traffic around the vehicle in order to avoid a collison in the meantime the towing company arrived. A police report was not filed. The vehicle was towed to ron carter Cadillac (18101 gulf freeway building b, friendswood, TX 77546 phone (832)-369-8228). The dealer advised that the rear differential was faulty and caused the rear tires to fail. The vehicle was pending to be repaired. The manufacturer was notified of the failure. The failure mileage was 101,000.

I was driving down a 4 lane road going 45 mph - when without warning a loud bang came from the back of the car and the wheels locked up and I went into an uncontrolled spin for ~ 75 yards going sideways down the road at 45. . . And then came to a stop in the middle of oncoming traffic - the roads were wet as well. . . I fortunately did not spin into oncoming traffic. I avoided traffic behind me - I was driving with 2 passengers who hopped out of the car to warn drivers approaching we were disabled in the middle of oncoming traffic. The car would not move at all - I turned it off and on and then put it into n to see if we could push it to safety. I tried one last time to put it into gear and it went into reverse so I backed it into safety - I could have been killed - and am very lucky - so, I research this and find out that cadiallic knows this is a problem on their Cts - especially on the Cts v sport - see the attached link I have provided. . Read more...

On August 5, 2019, I was travelling down a two lane road @ 35-40 mph and with a loud clunk from the rear of the car, the rear wheels locked up. I went into a skid and the front of the car swerved back and forth across both lanes. I was able to keep the car under on the road as I applied the brakes and steered into the skid as the front of the car swerved back and forth. Fortunately, an oncoming driver was able to stop his car in time to avoid a head-on when he saw me swerve into his lane. I called the dealer, who sent a tow truck. The service manager looked at the car the next day and confirmed the differential was bad--all kinds of metal chunks came out with the oil when they drained it. He told me that the interior of the differential had pretty much self-destructed. The car was within its powertrain warranty, so the service manager said the dealer would replace the differential. Almost two months later, the dealer hasn't located a replacement differential. This car is a Cadillac v-sport, a performance-oriented model with an electronic limited slip differential. During the years this model was in production, general motors made less than 1,000 per year, and I believe that perhaps the differential was a special type for the v-sport, although I am not sure. I do know of others having this exact same problem--they have reported the problem on a Cadillac v-sport user's group found at Cadillacforums. Com. The attached pictures show the skid marks made by the rear wheels and where the front of the car ended up. The car on the side of the road is mine, where some passersby pushed the car.

The rear differential locked while driving at 45mph on a straight, four lane road. It made a loud thump and felt as if the brakes were slammed on. The car pull hard left and the rear tires were smoking. Managed to get the car back to the right and stopped after hitting the curb. Fortunately no other vehicles were involved. The elsd is on backorder and will not be available for 90 days.

The rear differential in my vehicle had to be replaced. Two of the main bearings failed. We noticed a grinding noise from the back as we drove. In August of 2019, I took it to my regular mechanic and he rode in the vehicle with me. He heard and felt the grinding. He recommended that I take it to a reputable transmission mechanic. I took it immediately to bay area transmissions. My vehicle was on the brink of a catastophic failure according to the transmission mechanic. He took me for the test drive and upon return, immediately put it up on the rack. Removed the plug and showed me the black fluid and metal shavings on the plug. He said that the pinnion and rar bearings were shot and that the whole unit needed to be replaced because the parts for this are non-existant. He found a refurbished unit and replaced it at the cost of $1800. 00. I had called our local Cadillac dealer service dept. They quoted me a new one for $2600. 00 but, didn't have one in stock and couldn't tell me when or if they could get one. The cars drivetrain warranty was expired as we had 90000 miles on our vehicle. We purchased it in October 2018 with 68000 miles on it. We started noticing a noise from the rear back in June of 2019. There were approx. 80000 miles on it at that time. I wrote Cadillac a letter and sent them a copy of the bill asking for help on this as I felt that this failure should not happen with a well maintained, luxury vehicle such as Cadillac. They returned a call to me saying there was nothing more that they could do. I told them that this failure could have resulted in a major accident and loss of life. They don't seem to concerned. I informed them that I was going to contact the NHTSA. I'm writing because I've read that this type of failure happens in these vehicles more often than gm would like to admit.

The vehicle is equipped with a very weak rear differential that was used in the lesser horsepower v6 and when taking off hard the car begins to wheel hop and destroys the rear end the vehicle was in motion on a city street this has occurred twice in less then a year and a half.

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