Rear main seal leak or..?..
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From: Mid West
Car: '87 Camaro
Engine: '92 Carb'd 350
Transmission: 700r4
Axle/Gears: factory stock
Rear main seal leak or..?..
Camaro has been parked for a couple weeks.
My Bride says " Whats leaking on the Camaro? Did you know it was leaking? X
Well, theres a puddle, not just a few drops!!
I can not get my jack under it to get to the crossmember or the controll arm!!
So I reached under with an extension & ratchet to check the drain plug, its tight.
Oil pressure sending unit is leak free.
Odd-- oil level is fine, right at the full mark, but theres at least a quart on the ground!! I have never over filled it!!
So, with that being said, would a rear main seal leak that bad??
Thanks for any direction!!
My Bride says " Whats leaking on the Camaro? Did you know it was leaking? X
Well, theres a puddle, not just a few drops!!
I can not get my jack under it to get to the crossmember or the controll arm!!
So I reached under with an extension & ratchet to check the drain plug, its tight.
Oil pressure sending unit is leak free.
Odd-- oil level is fine, right at the full mark, but theres at least a quart on the ground!! I have never over filled it!!
So, with that being said, would a rear main seal leak that bad??
Thanks for any direction!!
Joined: Oct 2001
Posts: 12,223
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Rear main seal leak or..?..
Sounds like it could be a tq converter seal leaking to me.
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From: Waterford, MI
Car: 1998 Camaro Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: 3.73
Re: Rear main seal leak or..?..
Stick your finger in the puddle, is it dark brown/black or is it red/light brown? Gotta know if its trans or oil first.
Thread Starter
Supreme Member
iTrader: (3)
Joined: Jun 2009
Posts: 2,350
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From: Mid West
Car: '87 Camaro
Engine: '92 Carb'd 350
Transmission: 700r4
Axle/Gears: factory stock
Re: Rear main seal leak or..?..
Oil.
Trans fluid is a pint + 1/2 low.
In other news, I got a few patio blocks18x12x2 and drove up them to make room for the jack..
Taking it to the shop Monday for a thorough once over.
Going to have rear trans seal replaced anyway...there's some seepage there.
Trans fluid is a pint + 1/2 low.
In other news, I got a few patio blocks18x12x2 and drove up them to make room for the jack..

Taking it to the shop Monday for a thorough once over.
Going to have rear trans seal replaced anyway...there's some seepage there.
Joined: Sep 2005
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Re: Rear main seal leak or..?..
Rear main seal is above the oil when the car is not running.
You've got a genuine case of alien abduction or gravity inversion or some such if that's going on.
Since none of those qualify as the simplest explanation that fits all the facts, we'll dismiss that one and move on to things that actually are where the oil is.
"Tight" is only a small part of the package with drain plugs; "seal" is the major piece. I'd check it carefully to see if it's actually leaking.
Could also be a pinhole in the pan. Very common, especially if the car has sat around (for like years without running), from water droplets inside the pan rusting through it.
You've got a genuine case of alien abduction or gravity inversion or some such if that's going on.
Since none of those qualify as the simplest explanation that fits all the facts, we'll dismiss that one and move on to things that actually are where the oil is.
"Tight" is only a small part of the package with drain plugs; "seal" is the major piece. I'd check it carefully to see if it's actually leaking.
Could also be a pinhole in the pan. Very common, especially if the car has sat around (for like years without running), from water droplets inside the pan rusting through it.
Thread Starter
Supreme Member
iTrader: (3)
Joined: Jun 2009
Posts: 2,350
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From: Mid West
Car: '87 Camaro
Engine: '92 Carb'd 350
Transmission: 700r4
Axle/Gears: factory stock
Re: Rear main seal leak or..?..
Thanks sofa!!
I'll just have him do an oil change while he's got it on the lift & look at the plug gasket.
Today while I was under it, I did notice an " alien anomolie " lol.
There is a fresh scrape right next to the plug! I swear I have never hit anything or bottomed out!! No one but myself drives it.
However, I am now wondering it the scrape is from the roll back tow I got when I had the other issue.
I wiped all the underneath of crud to see if it would be benificial to helping pin point the atrocity! Lol!
I'll just have him do an oil change while he's got it on the lift & look at the plug gasket.
Today while I was under it, I did notice an " alien anomolie " lol.
There is a fresh scrape right next to the plug! I swear I have never hit anything or bottomed out!! No one but myself drives it.
However, I am now wondering it the scrape is from the roll back tow I got when I had the other issue.
I wiped all the underneath of crud to see if it would be benificial to helping pin point the atrocity! Lol!
Thread Starter
Supreme Member
iTrader: (3)
Joined: Jun 2009
Posts: 2,350
Likes: 3
From: Mid West
Car: '87 Camaro
Engine: '92 Carb'd 350
Transmission: 700r4
Axle/Gears: factory stock
Re: Rear main seal leak or..?..
Rear main seal is above the oil when the car is not running.
You've got a genuine case of alien abduction or gravity inversion or some such if that's going on.
Since none of those qualify as the simplest explanation that fits all the facts, we'll dismiss that one and move on to things that actually are where the oil is.
"Tight" is only a small part of the package with drain plugs; "seal" is the major piece. I'd check it carefully to see if it's actually leaking.
Could also be a pinhole in the pan. Very common, especially if the car has sat around (for like years without running), from water droplets inside the pan rusting through it.
You've got a genuine case of alien abduction or gravity inversion or some such if that's going on.
Since none of those qualify as the simplest explanation that fits all the facts, we'll dismiss that one and move on to things that actually are where the oil is.
"Tight" is only a small part of the package with drain plugs; "seal" is the major piece. I'd check it carefully to see if it's actually leaking.
Could also be a pinhole in the pan. Very common, especially if the car has sat around (for like years without running), from water droplets inside the pan rusting through it.
So when the drain plug was removed, the gasket was deteriated so it wouldnt seal good.
New gasket with rubber seal & no leak since!!
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