oil leak

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daren92

Member
Posts
51
got an oil leak it is dripping on to front dif not very thick oil no real smell of oil ,it seems to be coming from near diesel pump (2.5d p38 1999 auto)
any thoughts
 
got an oil leak it is dripping on to front dif not very thick oil no real smell of oil ,it seems to be coming from near diesel pump (2.5d p38 1999 auto)
any thoughts

I had the same problem and i found a small crack in the sump and it only leaked with the engine running as it was above the oil level and when the oil was draining back into the sump. The other place it could be leaking from is the oil cooler O rings on the block just above the engine mount.
 
Not a P38, but a disco, oil drip onto front diff was found to be coming from oil filter done up not quite tight enough.
 
ok had a look around and seems to be coming from were the diesel pump meats the timing housing is there a gasket at that point
 
ok had a look around and seems to be coming from were the diesel pump meats the timing housing is there a gasket at that point

The pump is in 3 main parts with seals between. Then there are a few either side as well. Full kit costs about £16 but I'd have to dig around my ebay account to find the link. @wammers might know off the top of his head. The positioning of the top of the pump is critical. Get it back in the wrong place and you are in a world of pain. You have to mark it up on all sides to make sure it goes back in exactly the right spot. The rest of pretty straight forward but the oval covers at the side have springs behind so you have to make sure the springs don't ping out. The rear one is a total bar-steward to get to. Any of these seals will leak diesel but not oil.

Trying to remember if there is a seal on the timing cover side where it mates up. Guess there must have been. One thing is for certain, those 3 bolts go into ally as soft as butter so be really careful before you try tightening them. Torque wrench only and as delicate as if giving yourself a vasectomy.
 
wammers is this a hard job

You need to remove the injection pump and will need a sprocket holder and timing gear if you want to do it properly. You could scribe the pump and case to get it back where it came from and forget the timing gear but you will definitely need a sprocket holder. Don't even attempt it without one. Or you won't get the pump back in.
 
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