Can anybody confirm whether Land Rover replaced the T seals on later 300 Tdis with silicon? I only ask because mine are leaking (again) and I am getting just a teeny bit fed up of replacing them
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300 Tdi T seals
- Thread starter Neil
- Start date
They are the seals, vaguely T shaped, that are fitted to the sides of the rear main bearing cap. Originally cork on the earlier series engines, latterly rubber and I had heard a rumour that they had been deleted in favour of a bead of silicon.
Speedfreak
Overdrive!
Are the T seals easy to replace ?????
Is it a major engine strip down job or can they be changed in situ ????
Is it a major engine strip down job or can they be changed in situ ????
They can be replaced with the engine in situ, it is just a frequent job and requires the dropping of the sump, the replacement of the main bearing cap retaining bolts, and the use of special tools to ease the T seals past the lip on the base of the block.
Speedfreak
Overdrive!
Special tools ?????
Do you mean a screwdriver !!!!!
Do you mean a screwdriver !!!!!
No I mean the tapered blocks that bolt to the gasket face of the block and ease the T seals past the sharp edges of the cylinder block casting without damaging them.
Unfortunately I only have the two hands so cannot ease the bearing cap into position whilst simultaneously easing the seal into position with a screwdriver on both sides at the same time.
So I usually borrow the blocks from the Workshop of the local dealer, presuming that they aren't using them of course
GezC
Overdrive!
I understand how you feel Its soul distroying to see the oil pi**ing out as quick as you can fill it....I had this problem on my 200tdi and because of the way the ladder frame is attached it meant engine out Again 
.
Having started off my working life in the trade and tons of rebuilds under my belt (although never on a landrover tdi) it really Gripped my s**t to have to ask for help.
In the end to save repeating the job over and over again I took the block to Roland (really nice bloke)at Automotivecomp..who funny enough dosnt use the crappy T seals. He injected them with a sealant and its been fine ever since ...touch wood.... I cant remember exactly what he uses and I cant promise he will divulge the secret to his success but Im sure he could point you in the right direction.....
Good luck
.Having started off my working life in the trade and tons of rebuilds under my belt (although never on a landrover tdi) it really Gripped my s**t to have to ask for help.
In the end to save repeating the job over and over again I took the block to Roland (really nice bloke)at Automotivecomp..who funny enough dosnt use the crappy T seals. He injected them with a sealant and its been fine ever since ...touch wood.... I cant remember exactly what he uses and I cant promise he will divulge the secret to his success but Im sure he could point you in the right direction.....
Good luck
cptcaveman
Overdrive!
I did them on a 19j fairly straight forward job I used rubber seals, when refitting them I used feelers to ease them back in whilst applying a little pressure to the block.
All in all job was done in about 1hr, I would guess they are the same as the 300 tdi as far as silicon I would guess that would be fine as long as you use a good engine grade type.
I know BSL Brammer do a very good sealer which I used on the sump it was dear for a tube but very good. it was called loctite 5699 as used by a lot of motor manufacturers.
I think if ever I do this job again I will try the sealer, block the ends of the groove and inject can't really see why It won't work.
All in all job was done in about 1hr, I would guess they are the same as the 300 tdi as far as silicon I would guess that would be fine as long as you use a good engine grade type.
I know BSL Brammer do a very good sealer which I used on the sump it was dear for a tube but very good. it was called loctite 5699 as used by a lot of motor manufacturers.
I think if ever I do this job again I will try the sealer, block the ends of the groove and inject can't really see why It won't work.