Oil leak woes
#1
Oil leak woes
after doing my best to prevent any of the known trouble spots leaking oil I’ve got one before the engine gets fired up!! There is a steady drip from somewhere around the sump bolts along the area that meets the transmission. The engine is clean and does not show any leaks above the sump joint. It makes me think it’s coming out of the sump bolts? Anyone else had this and if so how did you solve it? The sump gasket is new.
#2
My mechanic says the rear wicker main seal on my car is failing, and the description sounds exactly like this, as I've had all the lower oil pan / filter housing stuff renewed and theres no blowback from a leak farther ahead. Its quite a job as you apparantly need to pull the engine to do it properly, I just add oil as needed not worth the shop $$$ rate to do it.
Your car may have the two-part oil pan to in which case there is another gasket farther up but it can be hard to see. Maybe some dye and a blacklight will help?
Your car may have the two-part oil pan to in which case there is another gasket farther up but it can be hard to see. Maybe some dye and a blacklight will help?
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v1rok (10-15-2018)
#3
after doing my best to prevent any of the known trouble spots leaking oil I’ve got one before the engine gets fired up!! There is a steady drip from somewhere around the sump bolts along the area that meets the transmission. The engine is clean and does not show any leaks above the sump joint. It makes me think it’s coming out of the sump bolts? Anyone else had this and if so how did you solve it? The sump gasket is new.
#4
If the bolts are wet, but not above them, then you have a fixable problem. Read the Great palm on this subject, as some of the sump(as opposed to sandwich plate bolts) go through the oil up into the engine above. Oil them can migrate down the bolts. The solution is to seal the bolt holes, as TGP explains.
aha. I hope you are right Greg. I will read the bible thanyou both.
#5
Hi,
Hope it is something simple as Greg suggests.
Another thought if it is a 6 cylinder car. Check just below the oil filter where either the feed / return pipes to the oil cooler or a metal "u bend" will be present. I had a leak from the latter which dripped down onto the outer lip of the sump and then moved backwards giving the sort of leak pattern you describe. If so then this is another simple fix and I can send you details of how to do it.
Good luck,
LeeP
Hope it is something simple as Greg suggests.
Another thought if it is a 6 cylinder car. Check just below the oil filter where either the feed / return pipes to the oil cooler or a metal "u bend" will be present. I had a leak from the latter which dripped down onto the outer lip of the sump and then moved backwards giving the sort of leak pattern you describe. If so then this is another simple fix and I can send you details of how to do it.
Good luck,
LeeP
#6
#7
brinny,
I am afraid I have similar issue as you have: small but consistent oil consumption and oil leak underneath, with oil spots/droplets mostly visible on bolts near and just before the gearbox. I also see signs that hot oil gets on RHS catalytic converter (during driving).
I initially also thought about changing oil pan gasket. I could still decide to follow through on it, probably when I change oil next time.
However, and unfortunately, I am afraid that the real culprit is the main back seal, as VancouverXJ6 suggested...
Keep us posted on what you do and whether it fixes the leak.
I am afraid I have similar issue as you have: small but consistent oil consumption and oil leak underneath, with oil spots/droplets mostly visible on bolts near and just before the gearbox. I also see signs that hot oil gets on RHS catalytic converter (during driving).
I initially also thought about changing oil pan gasket. I could still decide to follow through on it, probably when I change oil next time.
However, and unfortunately, I am afraid that the real culprit is the main back seal, as VancouverXJ6 suggested...
Keep us posted on what you do and whether it fixes the leak.
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#8
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v1rok (10-16-2018)
#9
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#11
‘Thanks, Greg. I will do this test. Btw, what black tin shield you are referring to? Are there pics for ease of identification? (I am away from my garage until the weekend, otherwise I would have been all over the engine bay looking for it )
#12
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v1rok (10-16-2018)
#13
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Greg in France (10-18-2018)
#14
you , like me have cause once more to thank Greg for his help. Always willing to help, he and grant are a god send!
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Greg in France (10-18-2018),
v1rok (10-17-2018)
#15
#16
People like Greg, Grant, Doug, Daim, and others (sorry for not mentioning you all by name, but the list can grow quickly) actually give me hope that I did not make a grave mistake when getting V12 XJS. It is only now I realize how huge gamble it was But I am managing to stay afloat and keep my quirky cat alive, thanks mostly to this awesome community and the gurus, of course, who selflessly spend their time and energy educating others about joy of owning a fine automobile such as XJS...
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Greg in France (10-18-2018)
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