'97 Z28 Oil Leak...Where is it coming from?
Andrew Rak
I know the LT1 is famous for oil leaks but I never payed much attention
to the posts here concerning that subject. I guess I should have, I
noticed a spot of oil on the concrete under the passenger side of the
engine near the front. Anyone have an idea where it may be coming from?
The car is stored for the winter so I really am not able to get a good
look at it.
Thanks in advance for your help.
Andrew
sammy_b
It's important to first determine what kind of fluid(s) may be
involved. Sometimes the location of the puddle, isn't directly above
the leak. Get under the car and look, wipe up all the fresh oil from
the motor and put a clean piece of cardboard down in the driveway.
Take the car out for a drive, then park over it. Look at the new
dribble and look directly above it. The #1 notorious leak problem
with LT-1's is caused by the ATV sealant used at the front and rear of
the intake manifold. This is covered by a techical service bulliten so
you can call your goodwrench service manager and book an appointment
to get it fixed.
SB
Patrick Gattafoni
Andrew Rak wrote:
>
> I know the LT1 is famous for oil leaks but I never payed much attention
> to the posts here concerning that subject. I guess I should have, I
> noticed a spot of oil on the concrete under the passenger side of the
> engine near the front. Anyone have an idea where it may be coming from?
> The car is stored for the winter so I really am not able to get a good
> look at it.
The leak is coming from the intake manifold, it is an extremely common
problem with the LT1, I actually know very few LT1 owners that HAVEN'T
had the leak! That is how common it is! Most dealers are well aware of
the problem and will be able to fix it rather quickly (less than a day
and a half).
____________________________________________________________
Patrick "Patman" Gattafoni Mississauga, Ontario, Canada
1995 Trans Am (3.42 A4) 13.54 at 101.5 mph (1.91 60ft)
1987 Mustang GT (8psi Paxton) 12.16 at 112.0 mph (1.59 60ft)
1988 Taurus (3.0L V6 automatic-winter beater-"the Bullship")
Homepage: http://www.geocities.com/MotorCity/Downs/1320/
mailto:ga...@pathcom.com
____________________________________________________________
Dave Russell
Here's my post and some replies to it on my LT1 leaks with a '95 Formula.
Might be your intake manifold, timing cover gasket, or distributor seal:
--------
I hope they fixed your intake leak--I've has an '88 IROC w/ 350 replaced two
times on the intake gasket. Too quicly they assume the leak is from the
intake manifold gasket (which has been a chronic problem for the 350
engine--esp. rear of intake). My 95 Formula leaked from the front twice and
the rear once. New intake seems to be working well plus they used a "new
updated" sealant released 6 months ago.
The dealer here in Cincinnati (Beechmont Pontiac) has been pretty good at
expending effort diagnosing the leaks. The mechanic has worked with Pontiac
over 15 years. They keep an "open ticket" on my car so I don't think they're
too shocked every time I come in the door about every two months or so.
I've also had the passenger door realigned, the driver's door molding
replaced, and the T-tops weather stripping replaced/updated to the '97 year
style (double wide) to prevent leaks. Finally, on the last go-around, they
replaced the hatchback glass (crazy as it seems) to replace just the molding
which had contracted from cold/warm weather and was rattling pretty bad. GM
wouldn't let them order just the molding so they had to get the whole rear
glass w/ molding and defogger screen installed.
Dave
-----Original Message-----
From: Dan and Julie Aceves <tex...@worldnetla.net>
To: Dave Russell <dave.r...@worldnet.att.net>
Date: Sunday, January 04, 1998 2:48 AM
Subject: Re: 95 Formula oil leaks
>
>-----Original Message-----
>From: Dave Russell <dave.r...@worldnet.att.net>
>Newsgroups: alt.autos.camaro.firebird
>Date: Saturday, January 03, 1998 12:42 PM
>Subject: 95 Formula oil leaks
>
>
>>Just curious if anyone else has had smiliar problems...
>>
>>The car: '95 Formula, auto, T-Tops, performance mode trans. switch...no
>mods
>>
>>I've had this car to the dealer 12 times (for four actual engine repairs).
>>You go theu the normal hoops of one visit for a look and ad oil dye, a
>>second to diagnose and a third time to actually repair (4 x 3 = 12
>visits).
>>My baby just turned 24K miles. It has leaked oil down the front from the
>>intake and rests on the silver metal cooling line that's in front of the
>>main pulley. The dealer has replaced the intake gasket 3x, the intake
>itself
>>once, the timing cover gasket once, the valve cover gaskets once and
>lastly,
>>the distibutor seal (behind the water pump). Am I just having %$^! luck,
or
>>are these oil leaks common? The only one I typically saw was the rear of
>the
>>intake on 350's (since the 1970's) after about 50-60K.
>>
>>I just had the distributor and its seal replaced 2 weeks ago. So far, I
see
>>no signs of a returning oil leak. Yet it seems like every two months the
>>leaks come back. What kind of recourse does the 2nd owner have w/ GM? The
>>warranty expires 3/31/98. The dealer assures me, "with your lengthy
service
>>record, we'd never cut you off right at the warranty date!" Wrong answer,
>>what kind of trouble can I expect after warranty. I love these cars but
>>enough is enough!
>>
>>
>I'm afraid I can't help you much on the warranty issue, but if it is an
>ongoing problem that has been identified before the warranty expires, I
>don't think they can just ignore you after the warranty expires. You'll
>have to check on that though. Have you tried calling Pontiac customer
>service? I hope your Formula's problem is not indicative of all F-bodies.
>I have had my 97 Ram-air T/A conv. for about 7 months, and yes, I have also
>had an oil leak from the intake gasket. The dealer "repaired" the problem.
>So well in fact that I had to have them come pick up the car with a tow
>truck about 2 days later because the engine oil was all over the bottom of
>my car (it was actually dripping off of the muffler) instead of in the
>engine where it should have been. So far it seems like the oil leak has
not
>returned, but then again, it has only been about 2 months since it was
>repaired.
> If you find anything out about any recalls or service orders please send
>the info to me via e-mail. Like I said I have only had the car for about 7
>months and I have had 12 different deficiences (some of them twice)
repaired
>on the car. The local dealer is not very co-operative since I bought the
>car out of state before I moved here. If I don't do the research myself,
>they won't tell me. That's not quite the service you would expect for a
>$33,000 car is it?
> Wish you the best of luck getting your problem fixed!
>Dan (tex...@worldnetla.net----or----ta97ragtop@aol.com)
>
>
Andrew Rak wrote in message <68mkpa$b...@sjx-ixn2.ix.netcom.com>...
>I know the LT1 is famous for oil leaks but I never payed much attention
>to the posts here concerning that subject. I guess I should have, I
>noticed a spot of oil on the concrete under the passenger side of the
>engine near the front. Anyone have an idea where it may be coming from?
>The car is stored for the winter so I really am not able to get a good
>look at it.
>
Jackie and Andy
Have ' 95 LT1, also had oil leak from front and back of intake, you would
think GM would find a solution to this age old Chevy problem.
Dave Russell wrote in message <68pbpb$s...@mtinsc03.worldnet.att.net>...
TwoFast4Lv
i have has two 95 Z/28s and they both leaked ...it was the intake both times!!
my newest only had 17k on it and my last one only had 22k on it<but it dyed a
horrable death in the tree's>.. my point is the intakes leak worse on the LT/1
than any chevy i ever owned. my 88 IROC had 120,000 on it and didnt leak a
drop!!
SpdFool
Yep! Intake. I bought my '94 Z-28 with 8500 miles on it. It had already had the
gasket replaced once and has since had to be done 3 MORE TIMES! They apparently
couldn't get it right the first three, but the fourth seems to have worked.
Although, now I seem to have a idle problem (42,000 miles). What the hell!!! I
love this car, but it is worse than raising children! Now the thing is out of
warranty, showing no codes, but unning like shit (the dealer can't feel
anything though).
RAD GTI
I am the owner of a 97 ss camaro with 4k miles,it to has a oil leak.It looks
like its in the back of motor above starter.It"s been to dealer for dye
test,but when I ask whats leaking they tell me we odered parts don"t worry.I
suspect it"s the rear intake gasket.I"s presently at dealer getting
fixed[hopefully].