[E-Type] OIL leak

E-Lovers,
My 66 jag now has 1500 miles since the restoration was completed (well,
not entirely but it’s drivable). In the last 250 miles or so it has
developed a BAD oil leak. It leaks down from near the transmission and
onto the mufflers and when sitting still the cockpt fills with smoke.
It’s not coming from the head or the rear “Y” pipe. Someboby please
tell me this could be something besides a rear main seal. PLEASE?
Kenny

Hi Kenny,
It’s though, I know. The changes are about 10 to 1 that it’s the seal. I’ve
had the same leak for over a year now, tried everything (those who remember
will have noticed the ever increasing tone of desperation in the postings),
and finally, last week brought the cat to a specialist. The verdict: front
and rear seal leakage. Sentence: remove engine & 'box. Bail: at least $ 1500.
BTW list, anything else I should get done while it’s out? The clutch I
figured out already.

Good luck and regards,
Frans S.
'67 ots

At 00:32 22-4-98 -0500, you wrote:>E-Lovers,

My 66 jag now has 1500 miles since the restoration was completed (well,
not entirely but it’s drivable). In the last 250 miles or so it has
developed a BAD oil leak. It leaks down from near the transmission and
onto the mufflers and when sitting still the cockpt fills with smoke.
It’s not coming from the head or the rear “Y” pipe. Someboby please
tell me this could be something besides a rear main seal. PLEASE?
Kenny

A couple of weekends ago I went to a local mechanic’s shop and, with his
help, I used his VACUTEC system to hunt down all of the engine leaks that
I have. My car is a Jag so there are many.

I highly recommend trying the same thing. This system injects smoke into
whatever part of your engine that you want to troubleshoot. It is truly
excellent. The system works with the car off. I did it on my intake
manifold
by simply unhooking the hose at the back of the manifold going to the vacuum
storage tank, plugging in the system hose, and duct taping the carb intakes.
In total the setup took 10 minutes. The system turns on and pressurizes at
about 2 psi I think…just enough to blow smoke out of every pore in the
engine
that isn’t sealed correctly. I found that my back carb had very leaky
throttle
shafts, but the other two were fine. I can escape with rebuilding only one
carb. I WASN’T able to find these leaks with the “spray carb cleaner and
listen for
speedup/slowdown” method.

I did the oil passages next by blowing smoke into the dipstick hole. I
found that
the seal at the back of my left valve cover was pretty bad. I had symptoms
like
you did…oil leaks that I couldn’t find that would eventually hit
something hot
and make smoke. I found at least one of these. My Y pipes are good. I
couldn’t
find any smoke anywhere else, but I’m not sure where it would have come from
if I had leaking main seals.

I also did my gas tank because I smell gas sometimes when I fill the tank.
I found
some smoke coming out the bottom of the car below the filler. I think it is
either an
overflow hose or a vent of some sort. I will check it out in any case.

I found the mechanic by calling the Vacutec company in Texas and asking if
anyone
in my area had one of their systems. They were very nice and gave me a
mechanic’s
name that was 10 miles from my house. Overall a terrific resource and I’d
highly
recommend it. It cost me US$29 for about an hour of time.

							Dan----------
From: 	Kenny Owen[SMTP:kwowen@dixie-net.com]
Reply To: 	e-type@jag-lovers.org
Sent: 	Wednesday, April 22, 1998 1:32 AM
To: 	e-type@jag-lovers.org
Subject: 	[E-Type] OIL leak

E-Lovers,
My 66 jag now has 1500 miles since the restoration was completed

(well,
not entirely but it’s drivable). In the last 250 miles or so it has
developed a BAD oil leak. It leaks down from near the transmission
and
onto the mufflers and when sitting still the cockpt fills with
smoke.
It’s not coming from the head or the rear “Y” pipe. Someboby please
tell me this could be something besides a rear main seal. PLEASE?
Kenny

Wipe carefully across the back of the motor above the tranny. Then run it a
ways. If it is still clean, then it’s coming from the rear seal.
I don’t know what else it could be, maybe someone has an idea.

LLoyd - if it was a horse you’ld have to shoot it -

Ken,

If the leak is really “BAD” I would vote that the rear sump gasket has
moved or was not properly installed, this happened to my 66 OTS many years
ago. This short piece of cork gasket is very tricky. I cannot see how bad
crank seal can lead to a very bad leak, after all there is a spiral oil
slinger on the crank to prevent this. I have had three Jags over the years
and I have yet to come across this condition. I would first remove the
sump and examine what went wrong.

Best Regards,
Marc

At 09:31 AM 4/22/98 +0200, you wrote:

Hi Kenny,
It’s though, I know. The changes are about 10 to 1 that it’s the seal. I’ve
had the same leak for over a year now, tried everything (those who remember
will have noticed the ever increasing tone of desperation in the postings),
and finally, last week brought the cat to a specialist. The verdict: front
and rear seal leakage. Sentence: remove engine & 'box. Bail: at least $
1500.>BTW list, anything else I should get done while it’s out? The clutch I
figured out already.

Good luck and regards,
Frans S.
'67 ots

At 00:32 22-4-98 -0500, you wrote:

E-Lovers,
My 66 jag now has 1500 miles since the restoration was completed (well,
not entirely but it’s drivable). In the last 250 miles or so it has
developed a BAD oil leak. It leaks down from near the transmission and
onto the mufflers and when sitting still the cockpt fills with smoke.
It’s not coming from the head or the rear “Y” pipe. Someboby please
tell me this could be something besides a rear main seal. PLEASE?
Kenny

Hi Kenny,

I am in the process of fixing an oil leak that dripped on the exhaust and
smoked so bad it was embarassing! I first thought rear main but thats a
tough fix in the very early E’s since they have NO rear main seal…no
rubber, no asbestos, just a slinger on the bearing cap. Careful
observation of the leaking stuff convinced me it was transmission gear
oil.
After pulling the engine on Monday this proved to be the problem. Both
front and rear trans seals were hard as a rock and the front one was
split. The bad part is the engine has to come out in either case. While
your in there though, I suggest you replace the trans seals and
gaskets…about $20 in parts and another 1.5 hours work but well worth
it. Might want to think about drive shaft universals as well. Engine or
rear has to come out to do this.

Good luck with the repair,

Frank
Filangeri…“Don’t
always follow the crowd.
1962 E OTS Flat
Floor…Nobody
goes there anymore.
1966 AH
3000…It’s
too crowded.” Yogi Berra

writes:On Wed, 22 Apr 1998 00:32:59 -0500 Kenny Owen kwowen@dixie-net.com

E-Lovers,
My 66 jag now has 1500 miles since the restoration was completed
(well,
not entirely but it’s drivable). In the last 250 miles or so it has
developed a BAD oil leak. It leaks down from near the transmission
and
onto the mufflers and when sitting still the cockpt fills with smoke.
It’s not coming from the head or the rear “Y” pipe. Someboby please
tell me this could be something besides a rear main seal. PLEASE?
Kenny


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Kenny -

Sorry old boy! The problema probably is a rear main seal. The old Jags
have lousey rear main seals – you really have to be careful installing
them – it’s almost an art form, I think. I was lucky – mine does not
leak – so far, anyway.

Bjarn

Kenny Owen wrote:>

E-Lovers,
My 66 jag now has 1500 miles since the restoration was completed (well,
not entirely but it’s drivable). In the last 250 miles or so it has
developed a BAD oil leak. It leaks down from near the transmission and
onto the mufflers and when sitting still the cockpt fills with smoke.
It’s not coming from the head or the rear “Y” pipe. Someboby please
tell me this could be something besides a rear main seal. PLEASE?
Kenny