oil leak
oil leak
Just want to see if there is a common leak that would act like this. It is on a 2.8L (soon to be 350). When the car is running there is a constant flow of oil coming down over the oil filter adapter and leaking onto the ground. I was thinking possibly it was the front of the oil pan, valve cover (doesn't look like it), or ?. Anyone seen something like this?
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Isn't that where the oil pressure sending unit lives? It isn't uncommon for them to leak through the body. It's been a few years, but I had one do that on a FWD 2.8.
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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam and intake, World 305 heads, Hooker headers & y-pipe, 3" Catco cat).
57 Bel Air, my 1st car. 0.030 over 396, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" Hedders, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere w/open diff & slipping tranny. Daily driver while Camaro was being put together.
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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam and intake, World 305 heads, Hooker headers & y-pipe, 3" Catco cat).
57 Bel Air, my 1st car. 0.030 over 396, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" Hedders, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere w/open diff & slipping tranny. Daily driver while Camaro was being put together.
Supreme Member
Joined: Nov 1999
Posts: 2,860
Likes: 3
From: NE
Car: 82 camaro SC
Engine: 350
Transmission: 700r4
Does it have a distributer? If not, the distributer plug(where the distributer used to be on the older 60 degree v6's) is probably leaking. This is really common, and a pain to fix. All the 60 degree v6's without a dist. had a problem with it until GM decided to use a better seal. My brother-inlaws Lumina Z34 leaks a small stream from it until the engine warms up--then it drips constantly. Head removal on the 3.4 twin dual cam to replace the seal. He traded it.
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82 camaro--original steering wheel, brake/gas pedals, seats--everything else modified
82camaro
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82 camaro--original steering wheel, brake/gas pedals, seats--everything else modified
82camaro
Supreme Member
iTrader: (8)
Joined: Jan 2000
Posts: 3,968
Likes: 1
From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
I had the same problem and it was the same problem mentioned above. On my 3.1 Lumina it would always leak until I got he little round rubber seal from GM. Oil Pump Gear Drive Seal it was called. About 40 cents. It took me about 2 hours to do.
It has a distributor. Someone told me that it still could be caused by this. They said I should pull out the distributor and replace a rubber o-ring. Sounds easy enough. Sound like something to consider? Thanks for the input.
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
All 3rd gen V6's had distributors. I haven't heard of a distributor leaking unless the o-ring is completely missing. You might want to check closer above the point where it is dripping.
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