Reply With QuoteRay,
When you replaced the "T" seals in the rear main bearing cap, did you use the seal guides mentioned in the manual?
Michael.
Fossicker
Been signed up to this forum a while but had little input, found the following situation interesting. I think I read somewhere that if oil leaked from bell housing drain plug it was the rear main seal, but if it came down from the rear of the sump or the front of the housing it would be sump or main bearing cap side seals. I had a concerniing leak comming from the drain plug so I thought bugger its motor out time. But before I did that I dropped sump took down rear main cap, cleaned up everything resealed everything & put it all back together. That was a 1000k ago, not a sign of a leak. I also found how the oil was geting to drain plug hole. All the above maybe known to most but my advice would be to have a look at sump, main bearing cap T seals, & the gasket that goes between main seal housing & cap before you rip out the motor
Ray
Fossicker
Ray,
When you replaced the "T" seals in the rear main bearing cap, did you use the seal guides mentioned in the manual?
Michael.
YarnMaster
IMHO it is very difficult and risky to replace the T seals without guides - the seals have to be squashed on the sides and the guides are essential for this. Frictional drag on the seals as the cap is pulled in makes the seals distort (the inner end (in the direction the cap is inserted) gets thinner and the outer end fatter) and increases the drag. The risk is the seals can break or don't seal at the inner end.Originally Posted by Mikems
You can make your own guides from some steel plate. Some silicon sealant helps as well by acting as a lubricant.
Land Rover discontinued using T seals with late 300Tdi and inject sealant into the grooves. But you would need some kind of long syringe to ensure enough sealant was actually getting into the depths of the groove.
Fossicker
Hi Micheal
The fact is I didnt use the whole T seal, I only used the top part of the Tee where it fits on to the cap.
I made up tool out of a flat head nail that just fitted up the grooves on the side of the cap, then got hold of some thin string & squished silicon into it then push it up the groove with the shaped flat head nail head. Got to be careful not push up to hard or you will split the top of the T. Hope you get the gist of it. Tip, make sure everything is bone dry and use a good proven silicon. Ive done a few thousand Kms since I did mine & its still dry. This is not a new trick, done it a few times on other vehicles.
Regards Ray
Fossicker
Ray,
Thanks for your reply. The silicon sounds like a good back up to ensure a perfect seal.
Michael.
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