2F front crank oil seal squealing? (1 Viewer)

[houstonfj40]

So replaced a Harmonic Balancer and its a long story but now I have dealt with two front oil seals that have squealed like a belt? The HB was a New Toyota part from UAE, 3 groove. Couple 100 miles and it had rubber built up and the seal was squealing. Replaced, second is squealing also, the HB was cleaned of previous debris.

I took all belts off also to make sure it is the seal. HB removed, no noise.

Is something off, cheap seals? Looking for ideas to solve the issue.

Thanks in advance for the help.

Marc

 

[Gretsch]

Are these Toyota seals or aftermarket? Any visible leaking from the seal or just the noise? When you say 'rubber built up' you mean on the pulley snout that fits into the seal? At the risk of asking the obvious, the inner seal lip is getting grease before the HB/crank pulley is getting installed as called for in the FSM?

 

[Spike Strip]

The seal should be greased (on the lip) and you have to leave the timing cover bolts loose until you install the HB, so it centers the seal/TC around the HB, then torque to spec.

If you've already been doing all that, could be bad seals...

 

[Gretsch]

Yes, what he said.

 

[houstonfj40]

Mechanic was doing it without loose bolts on timing cover. Just replaced seal while on truck and the HB.

 

[Gretsch]

Mechanic was doing it without loose bolts on timing cover. Just replaced seal while on truck and the HB.

Man, seen that movie too many times on this forum. The timing cover centering procedure is the key to this whole repair. I think without the loose bolts you can actually risk tweaking the timing cover some when torqueing the crank pulley nut down.

 

[houstonfj40]

Thanks guys. Is this the procedure in the FSM?

 

[Willard]

Thanks guys. Is this the procedure in the FSM?

Yes in the Engine FSM

 

[cps432]

Also, it’s very important to put a light coat of motor oil on the nut before you start torquing it down. It makes life much easier and prevents you from tearing up the nut or HB.

 

[joebattle1]

I just did this all wrong the first time. I tightened the cover bolts down before putting the HB on and blew the new cork gasket right after. Re did it the second time. Hopefully correct. Still putting miles on to be sure.

 

[Gretsch]

Its easy to overlook. When I first read it in the FSM, it did not make sense to me as to why you would need to do that. Almost discounted it myself. Luckily for me some kind mudders set me straight before I tackled this job however and, as you most likely see now, it makes perfect sense. It also goes into how important it is to keep the bolts holding the timing cover on in the same place where they came out. Different lengths, different torque values, etc. I printed the graphic in the FSM showing the timing cover orientation, taped it to some carboard, and put each bolt where it goes on the graphic/carboard as I took them out so I would know where to put them back in. Again did not make sense to me reading it the first time through, but made perfect sense once I started taking the bolts off the cover. Taught me the most valuable lesson working on these beasts: The FSM is your best friend. Follow it as written and you will never be wrong.

 

[houstonfj40]

So even if just replacing the crank seal, I need to loosen the timing cover (new gasket then probably)? Mount HB, tighten and the tighten the timing chain bolts. Thanks.

 

[Randy88FJ62]

Download the FSM pages, print them out, then take them to your mechanic and discuss the details. If you are already replacing the seal you might as well put a new timing cover gasket on correctly just in case it's upset with you.

When I did the timing cover and seal I also replaced the old screws with new torx ones.

Is this the OEM Toyota Seal you are putting in?
Toyota P/N 9031143008 (EDIT this P/N for FJ62)

 

[NeverGiveUpYota]

@houstonfj40 our trucks don’t have timing chains... gears. You didn’t do the work yourself? If not, do it yourself this time.

 

[houstonfj40]

Download the FSM pages, print them out, then take them to your mechanic and discuss the details. If you are already replacing the seal you might as well put a new timing cover gasket on correctly just in case it's upset with you.

When I did the timing cover and seal I also replaced the old screws with new torx ones.

Is this the OEM Toyota Seal you are putting in?
Toyota P/N 9031143008

I think it’s 45002 on the early 80’s 2f.

 

[joebattle1]

Question... are you getting this belt squeal right at start up? I too am getting belt noise (not squeal) that I’m chasing down but it happens when I’m warmed up.

 

[houstonfj40]

Question... are you getting this belt squeal right at start up? I too am getting belt noise (not squeal) that I’m chasing down but it happens when I’m warmed up.

Mine is constant. Not related to temp. I am not going back to the “shop” in Houston who did the work, three times now. Looks like a “garage day” in a week or two.

Thought it’s wa smelts at first and the mechanic said, “oh, it’s just belts” more than once at the shop. Tried new, then eliminated each belt figuring it was the seal.

It might be your belts, check them also.

 

[houstonfj40]

@houstonfj40 our trucks don’t have timing chains... gears. You didn’t do the work yourself? If not, do it yourself this time.

NeverGiveUpYota,

Will be a garage day soon to fix the issue myself, with the other Houston crew, and do a garage day. I was trying to work it out with the mechanic here in Houston, won’t be any more relationship there going forward.

Marc

 

[Gretsch]

NeverGiveUpYota,

Will be a garage day soon to fix the issue myself

Good man. Your truck will thank you.

 

[NeverGiveUpYota]

NeverGiveUpYota,

Will be a garage day soon to fix the issue myself, with the other Houston crew, and do a garage day. I was trying to work it out with the mechanic here in Houston, won’t be any more relationship there going forward.

Marc

Sounds like a better plan. Sucks you had to have all that occur plus paying someone labor fees to find out doing it yourself is really the best and safest option.