Q: Dealer says the serpentine drive belt tensioner is leaking. I say, they are full of it, and it is a scam job to replace it.

asked by on

I'd like to know if there is a way to check the drive belt tensioner (still mounted) to see if it is leaking hydraulic fluid or not? There is no noise, and the tensioner is not "wobbling". It appears to be fine.

Also, I have watched videos on online, and the question is, for a 2008 corolla (ninth generation) does the passenger side motor mount have to be temp. on-bolted, so that the long tensioner bolt is raised high enough for clearance of the body, in order to uninstall/reinstall?

My car has 100000 miles.
My car has an automatic transmission.

Hello. In order to tell if it is leaking you really need to get under the vehicle to see the bottom side of the hydraulic cylinder of the tensioner. I have seen a lot of these that are a little wet but they still hold good tension. The bad part is that it can fail at any time and cause some more serious issues. If you need to replace it then yes, the engine will need to be raised as they did not build it with a short accessible bolt. If you are thinking of having the tensioner replaced, consider YourMechanic, as a certified mechanic can come to your home or office to replace the tensioner.

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. Dealer says the serpentine drive belt tensioner is leaking. I say, they are full of it, and it is a scam job to replace it.

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: Front right tire hangs lower than left tire when placed on jack stands of equal height.

Hello - your RAV4 uses torsion bars instead of springs to suspend the weight of the vehicle. Each wheel/tire carries a different amount of vehicle weight. An alignment adjusts torsion spring force to support each corner of the vehicle to...

Q: Throttle Body, PCV tube, and valve cover seal needs replaced.

Billing question sent to CS for replacement cost of the PCV tube and valve cover seal.

Q: Q: How do I check the brake fluid?

Your car’s brakes are the most important safety system onboard. They’re hydraulic, which means they require fluid in order to operate. When you press the brake pedal, fluid is sent from the master cylinder through the brake lines to the...

Related articles

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...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...