oil leak
oil leak
Whenever I stop my car after a trip it always smells like burning oil. After long trips I can see smoke coming up from my engine. I'm pretty sure it's an oil leak but what are the possible parts that need replaced? My bet is that it's a leaky valve cover thats letting oil leak down onto the block, but i can't really see or tell because the whole engine is dirty and oily. What else could it be?
Thanks for the help.
Thanks for the help.
Supreme Member

Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
If you have a leaky valve cover, then try replacing the gaskets. You might have a leaky intake as well, which would require a gasket too. If it's your rear main leaking, that would be a pain in the butt.
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"Putting any amount of money into a RICE BURNER is like wiping your a$$ with a turd. "
'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
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ACCEL HEI DISTRIBUTOR
160* Stat, just switched to 180* b/c of winter coming and going to college in the mts.
3:73 Posi
Rebuilt 700R4
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"Putting any amount of money into a RICE BURNER is like wiping your a$$ with a turd. "
'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat, just switched to 180* b/c of winter coming and going to college in the mts.
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite
Supreme Member
Joined: Dec 1999
Posts: 1,237
Likes: 1
From: Reno, NV
Car: yep
Engine: uhuh
Transmission: sure does
Could be....
Dist O-ring (very common)
intake seal
valve cover
oil sending unit
rear main seal
front crank seal
You need to clean the engine a little and see if you can be more specific in the area of the leak.
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ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R
and 2 POS commuters...
R.I.P. #3
"He can see air"
[This message has been edited by Engineboy (edited November 23, 2001).]
Dist O-ring (very common)
intake seal
valve cover
oil sending unit
rear main seal
front crank seal
You need to clean the engine a little and see if you can be more specific in the area of the leak.
------------------
ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R
and 2 POS commuters...
R.I.P. #3
"He can see air"
[This message has been edited by Engineboy (edited November 23, 2001).]
Supreme Member
Joined: Dec 2000
Posts: 1,128
Likes: 0
From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
Distributor O-ring
https://www.thirdgen.org/messgboard/...ML/000888.html
Costs less than $2, make sure you have a timing light handy.
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Stock 2.8 MPFI auto w/ Flowmaster 80 Series, More to come......
Pioneer DEH-11
Targa E-910 7-Band Equalizer w/ crossover
2x 10" Pioneer subs powered by 300 Watt Jensen amp
2- 6x9" Pioneer (rear)
More to come..... (hey, i dont got a job yet)
https://www.thirdgen.org/messgboard/...ML/000888.html
Costs less than $2, make sure you have a timing light handy.
------------------
Stock 2.8 MPFI auto w/ Flowmaster 80 Series, More to come......
Pioneer DEH-11
Targa E-910 7-Band Equalizer w/ crossover
2x 10" Pioneer subs powered by 300 Watt Jensen amp
2- 6x9" Pioneer (rear)
More to come..... (hey, i dont got a job yet)
Seems like every time I clean my engine it leaks oil more! Just last week I gave it a good washing and suddenly I was pouring oil out of the front seal. Turned out yesterday when I was replacing the seal that the timing chain gear on the cam wat beyond toast and I could just lift that chain right off. The oil was pouring out of the 1 inch crack that the chain had worn into the cover! Guess that will teach me to wash my engine! 
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85T/A 305/QJ work in progress.
[This message has been edited by SgtSkip (edited November 24, 2001).]

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85T/A 305/QJ work in progress.
[This message has been edited by SgtSkip (edited November 24, 2001).]
Supreme Member
Joined: Dec 1999
Posts: 1,237
Likes: 1
From: Reno, NV
Car: yep
Engine: uhuh
Transmission: sure does
<font face="Verdana, Arial" size="2">Originally posted by SgtSkip:
Seems like every time I clean my engine it leaks oil more! Just last week I gave it a good washing and suddenly I was pouring oil out of the front seal. Turned out yesterday when I was replacing the seal that the timing chain gear on the cam wat beyond toast and I could just lift that chain right off. The oil was pouring out of the 1 inch crack that the chain had worn into the cover! Guess that will teach me to wash my engine!
</font>
Seems like every time I clean my engine it leaks oil more! Just last week I gave it a good washing and suddenly I was pouring oil out of the front seal. Turned out yesterday when I was replacing the seal that the timing chain gear on the cam wat beyond toast and I could just lift that chain right off. The oil was pouring out of the 1 inch crack that the chain had worn into the cover! Guess that will teach me to wash my engine!

</font>
------------------
ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R
and 2 POS commuters...
R.I.P. #3
"He can see air"
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