Q: Fan pully won't line up after doing new head gaskets

asked by on

3.5l v6 2002 Isuzu trooper fan pully won't line up after head gasket job. Timing belt cover seems to be level, but when fan is mounted to engine the pully doesn't line up.
My car has an automatic transmission.

Hi there. You need to make sure the crankshaft pulley is put on all the way. The front crank pulley should be very close to the front timing cover. If it is on all the way, then you either have put the water pump pulley on backwards or have an incorrect water pump if it was replaced. If you would like to have this checked, a certified technician from YourMechanic can come to the site of your vehicle to inspect the car in person and advise on a repair.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Fan pully won't line up after doing new head gaskets

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: Water pump is leaking, do I need to replace the timing belt, too? The car also has a misfire on cylinder 3.

Hi there. If the engine has too many miles on a timing belt, then a timing belt is suggested for replacement. The misfire for cylinder 3 could be caused by a spark plug failure, fuel injector failure, or a problem...

Q: Do I need to replace the timing chain tensioner cover gasket?

This would depend on the severity of the oil leak. If the oil leak is fast, I would recommend having this issue resolved as soon as possible to prevent any damage to your engine. The labor charges likely high due...

Q: Advice on buying cover gaskets

I've never heard of stone valve cover gaskets. I'm assuming you don't mean valve cover gaskets that are made out of stone, because that wouldn't be good at all. They would not seal. But if there is a brand, do...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
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...