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View Full Version : What is this and why is it leaking


Boulder Cruiser
10-05-2010, 12:18 PM
I just washed the undercarriage to try and figure out some of these leaks. I thought that this leak was coming from the oil pump or crank but i think its coming from this thing. http://i886.photobucket.com/albums/ac64/bouldercruiser2/DSC_8384.jpg In the pics it looks like it's coming from above that buts its dry up there. Is there an o-ring that needs replacing? After cleaning it and driving it it seems like it got worse it actually dripped on the front diff a bit. Its a 97 80.

Uncle Ben
10-05-2010, 12:43 PM
Crank position sensor. Drain the oil, replace the o-ring, reinstall.

Boulder Cruiser
10-05-2010, 12:56 PM
Just called Toyota and they dont show an o-ring separate you have to buy the whole thing to the tune of $160 :eek: Do you have a part number? Maybe i can just take it out and go find one at Mcguckin's

coax
10-05-2010, 01:08 PM
I haven't replaced that gasket yet, though it is leaking on my cruiser. Maybe some black fipg from toyota would do the trick? 10 bucks is much cheaper than a whole new sensor and much less hassle (potentially) than trying to find an appropriate seal that is oil-safe.

Uncle Ben
10-05-2010, 01:21 PM
Just called Toyota and they dont show an o-ring separate you have to buy the whole thing to the tune of $160 :eek: Do you have a part number? Maybe i can just take it out and go find one at Mcguckin's

You can definately find one at NAPA or Carquest or....... You might just be able to take it out and clean it and the o-ring might still be soft.

DaveInDenver
10-05-2010, 01:40 PM
Maybe some black fipg from toyota would do the trick?
I've found on my truck that FIPG actually is the Toyota-recommended seal more than a few times.

sleeoffroad
10-05-2010, 02:12 PM
The O-ring is not standard. It is a O-ring with a flange, like this O- I have tried in the past to seal with fipg but it did not work. Have never been able to locate that O-ring aftermarket.

Inukshuk
10-05-2010, 03:14 PM
Sounds like a job for http://www.rocketseals.com/

Rzeppa
10-08-2010, 01:22 PM
Sounds like a job for http://www.rocketseals.com/

I have used Rocket Seals many times, but that was always OEM quantities - not sure if they will sell one at a time retail to the public.

DaveInDenver
10-08-2010, 01:35 PM
I have used Rocket Seals many times, but that was always OEM quantities - not sure if they will sell one at a time retail to the public.
Yup, they have a walk-up counter even.