Differential Unit Problems of Subaru Impreza

Subaru Impreza owners have reported 7 problems related to differential unit (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Subaru Impreza based on all problems reported for the Impreza.

1 Differential Unit problem of the 2004 Subaru Impreza

Failure Date: 06/05/2009

I was driving my 2004 Subaru Impreza outback sport when I had a flat tire (right rear). I changed the tire, using the "donut" in the car. I drove another 25 miles no faster than 40 mph, and us. Slower. Then a driver behind me flashed her lights signaling me to stop. I stopped and learned my car was burning underneath, near the back. When I had the car looked at, I found that the rear differential was badly damaged. In the owner's manual, persons with automatic transmissions are instructed to use a switch to turn off the awd when driving on the "donut. " otherwise, damage to the differential is likely. However, no such switch exists for cars with manual transmissions, which I have. I followed the instructions, not going more than 50 mph or more than 50 miles on the donut. But I did extensive damage anyway, and the fire (which was caused by the heat of the differential setting the undercoating on fire) could have been dangerous.

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2 Differential Unit problem of the 2005 Subaru Impreza

Failure Date: 04/23/2005

I was travailing 40-45 mph on a 2 lane road in my 2005 Subaru wrx sti. I came out of a small s curve and went over a rough patch of road, and the tail end of the car started sliding out to the right, the next thing I knew I had ran into the bank and I was facing traffic, I hit the bank at least 40 mph, there was a car in front of me and one behind me, and one coming in the other lane of traffic. It felt like the tail of the car had tightened up and sent power to the rear wheels and kept me sliding until right before I hit the bank it swung the car around like it had sent all power to the front witch in turn put me into the bank. Nothing worked. No air bags deployed. The seat belts did not restrain me, I hit my head on the side window because none of the safety features worked on the car I sustained injuries including: whip lash, severe headaches and I may have a fractured a vertebra in my back. Contacted Subaru of America and they blew me off saying that there was no defects in the car, and that they waited till the government told them to fix something before they would fix any problems.

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3 Differential Unit problem of the 2002 Subaru Impreza

Failure Date: 02/04/2004

While driving transmission locked up bringing the vehicle to a sudden stop. Other problems with vehicle include the steering pump, brakes and the windshield.

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4 Differential Unit problem of the 2004 Subaru Impreza

Failure Date: 09/11/2003

I bought a 2004 Subaru Impreza wrx sti in July 2003 from bob baker Subaru in el cajon, California and ever since then I have had one problem after the next. Please be advised that all servicing is completed at the lancaster Mazda-Subaru location where I live. Several cosmetic parts were defective when the car was purchased such the trunk latch did not function, the back seat was unhooked, the seat lever that moves the seat in half, the cup holder does not function properly, and the head lights fogged up. Mechanical failure has also occurred. It has had an odd noise in the engine since the beginning which Subaru claims is normal for this car because it is a "racecar". The starter sometimes grinds when attempting to start the car, Subaru could not diagnose this problem. The left rear chassis makes an odd noise when rolling that Subaru could not diagnose. It has gotten progressively worse and now when you turn the vehicle it makes a loud metal against metal screech. As of 6/18/2004 the engine has begun to fail. When the rpms reach between 4000-5000 the car cuts out prior to accelerating and a burning smell is detected. I spoke with the original dealership I bought the car from and they acknowledged that when this car is driven a little bit harder than normal they are noticing that several of the Impreza wrx sti's are being brought back in with engine failure. They have noted several problems such as turbo bog, overheating, poor performance, and the catalytic converters burning up. There is obviously a distinct problem with this over $30,000 and I think a complaint should be filed against Subaru. When it is out of warranty and it breaks, as it will, it will just sit in a garage because I cannot afford to fix a car that is manufactured poorly. Subaru has advised that this car is a race car and it is far from that. They should be held responsible for all problems arising from this car since they obviously manufactured a poorly made vehicle.

5 Differential Unit problem of the 2002 Subaru Impreza

Failure Date: 06/15/2003

Differential fluid out; Subaru blames a non-dealer oil change error for problem hence not covered under warranty. Owner had to spend over $350 for replacement auto rental. Owner drove car for 1,700 miles after disputed non-dealer oil change to date when differential fluid outage discovered.

6 Differential Unit problem of the 1999 Subaru Impreza

Failure Date: 08/04/1999

My VIN # is correct. Your computer is off. Anyway, the rear wheel bearing (right side) on my Subaru 2. 5rs has gone bad with only 500 miles on the car. I have contacted many Subaru 2. 5rs owners over the internet this last week and found that many owners are having the same problem with rear wheel bearings siezing up with very low miles on their cars. One man reported he is taking his 2. 5rs in for the third time to have the bearings replaced, with only 26,000 miles on the car. As you might expect, everyone that is experiencing this problem is getting the same "no one else is complaining about this problem" attitude from their respective dealers across the country. But we are complaining, and no one is listening. This is a serious deffect in the rear wheel bearings or in the installation proccess at the factory. A seized rear wheel bearing could cause an operator to loose control of the vehicle. You should be getting more complaints on this deffect in the following weeks. Owners are coming together via the internet and voicing their concerns about this, and are being encouraged to file with the NHTSA if they have had this problem. I more than welcome any feedback you may have to my e-mail or telphone. I will also assist you in any way I can if needed. Thankyou for hearing my concerns on this matter.

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7 Differential Unit problem of the 1998 Subaru Impreza

Failure Date: 12/01/1998

Right wheel bearings have been replaced five times. Contacted dealer, and dealer can't fix problem. Consumer states entire differential is inoperative.

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Other Common Power Train related problems of Subaru Impreza



Safety Ratings of Impreza Cars
Fuel Economy of Impreza Vehicles
Impreza Service Bulletins
Impreza Safety Recalls
Impreza Defect Investigations