Skip the auto shop - Our mechanics make house calls

Q: Oil leaks behind crankshaft

asked by on

Oil is leaking at the crankshaft behind the pulley.

Hi there. Sounds to me that your vehicle is leaking oil from the front main seal of your engine. The front main seal seals your crankshaft to your engine block while allowing the crankshaft to rotate. When the seal is not effective anymore it will allow oil to leak put of your engine. I would have a certified mechanic diagnose the cause of your leak in order to make the necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
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. Oil leaks behind crankshaft

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: I am broke down on the road because when I try to drive my steering jerks and so does my wheel

What you are describing sounds like a problem with the rack and pinion gears. The rack and pinion gear set does two things: It converts the rotational motion of the steering wheel into the linear motion needed to turn the...

Q: How often should I change my oil?

You should change your oil about every 3,000 miles.

Q: What is the maximum load limit?

Your car might seem like it can haul almost anything you want to cram inside, but that’s not actually the case. All vehicles have a weight limit, called the maximum load limit. This is the total amount of weight that...

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.