Q: Can issue with coupling in AWD SUV cause an oil leak of the rear main seal? Only 60K miles 3.5 yr old car

asked by on

My AWD Rav4 was towed with the back wheels down for 35 miles, causing damage to the coupling. When I took it into the dealer service department a few days later, they indicated that there is also an oil leak of the rear main seal. The towing company is paying for the damages, but I'm unclear if the oil leak is related. My car has been serviced by a Toyota dealer 4x in 3.5 yrs, including 10K miles ago, with 2 oil changes in between, with no issues reported. I also have not see oil drips in my garage. Could the torque of the coupling from the incorrect tow cause the seal to leak?

My car has 60400 miles.
My car has an automatic transmission.

The term "rear main seal" normally refers to the crankshaft rear main oil seal. If that is the seal you are referring to, improper towing would have zero effect on that seal. Furthermore, if that is the seal you are referring to, it is exceptionally unusual for that seal to fail on such a new car. The rear main seal is very robust and quite unlike the front crankshaft seal which predictably fails after 6-8 years. If you are referring to transmission seals, those seals seal rotating shafts. It doesn’t matter if the shaft is supposed to be turning or not; if the shaft turns, as a consequence of improper towing, the seal still works the same way and so improper towing is irrelevant. The only conceivable failure mode of the seal is overheating of the unit which would damage the rubber in the seal and where such overheating was a consequence of the improper towing. Depending on the required repairs, it will be cheaper to have them performed on a mobile basis. If you want to consider that option, to obtain a conclusive diagnostic and an estimate please request an estimate. If you have further questions or concerns, do not hesitate to re-contact YourMechanic because we want you to make the most of your repair dollars and help you to get the best possible results.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Can issue with coupling in AWD SUV cause an oil leak of the rear main seal? Only 60K miles 3.5 yr old car

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: 2010 Toyota Prius. When I made a sharp turn, all check engine and warning lights to check 'Hybrid System' came on.

In order to reset the Maintenance Schedule light: 1) Without touching Brake pedal, press "Start" button twice, 2) Press and hold the "STRIP" button until you see "TRIP A" on display, 3) Turn Ignition to "OFF", 4) Press...

Q: Q: AC not blowing cold air

Hi there. From the description you have given, your vehicle's inoperative a/c could be a warrantable situation. If, the car lot won't take care of your vehicle's a/c, then confirming the diagnoses is very important. It could be, the a/c...

Q: Need torque specs for starter motor bolts

Hello. If the bolts are 10 mm (in diameter) and are grade marked 10.9 on the heads, torque them in the range of 37 to 45 ft lbs. with NO oil on the threads (dry). If the grade is marked...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.