internal leak in distributor
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
internal leak in distributor
HAS anyone had this problem before? I am almost positive thats where the oil is coming from.
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: internal leak in distributor
If your distributor bushings are severely worn you will get oil inside the distributor cap.
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
Re: internal leak in distributor
Taking the cap off today. Just pulled my intake and resealed everything for nothing lol. It looks like the oil is running down my dizzy shaft. I will update later
Joined: Dec 2004
Posts: 16,754
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: internal leak in distributor
the easiest way to find a hard to locate oil leak is clean the engine real well and buy oil dye and use a chap black light to find the source. If you do need a new dizzy dont get a cheap chinese one off ebay cardone are decent but I trust the gm icms not aftermarkets.
Joined: Dec 2004
Posts: 16,754
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: internal leak in distributor
It could be coming from your oil pressure switch as well.
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
Re: internal leak in distributor
oil leak found! It took me about an hour and a drive around the block to find the oil leak. It does not leak right away but after a while oil will start spraying out of the plug for the oil pressure sensor don't ask me why it takes so long to leak but it does lol. The oil sprays out good enough to reach the dizzy and make it look like that's the problem. I can't believe I changed my intake gasket for nothing but at least I polished everything while it was off.
Joined: Dec 2004
Posts: 16,754
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: internal leak in distributor
Well at least your intake is sealed up good for many years
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Thread Starter
Junior Member
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
need more help!
ok Well I took the plug out Teflon taped it and but it back in and it still leaks a little bit. Seems to leak when revving quickly. The plug that's in it has a square end is that normal? I not sure what do now.
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
Re: internal leak in distributor
I have one sensor above the oil filter and there is one plug behind intake under the dizzy.
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
Re: internal leak in distributor
That one looks like the one above oil filter housing. the plug that's leaking looks like this.
Joined: Dec 2004
Posts: 16,754
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: internal leak in distributor
oh just a 1/8 npt plug thats odd its leaking.
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
Re: internal leak in distributor
yea That's what in the hole for the oil pressure sender not sure if that's the original plug or not. It does not leak all the time just when I am getting on the gas.
Joined: Dec 2004
Posts: 16,754
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: internal leak in distributor
a pipe plug is cheap at the hardware store worth a shot.
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From: albany ny
Car: 1989 formula firebird
Engine: 305 tpi
Transmission: m5
Axle/Gears: 3.45
Re: internal leak in distributor
going to have to something different maybe like a small drain plug something I can put a gasket on.
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Joined: Nov 2002
Posts: 472
Likes: 15
From: Washington State
Car: '84 Berlinetta
Engine: ZZ4
Transmission: BTOD stage 3
Axle/Gears: 3.23 posi disc
Re: internal leak in distributor
Get a longer plug from the hardware store and wrap it well in teflon, four or five layers. Because that is a tapered fitting, a bolt will not work to plug it unless you had the ability to make one with pipe threads on a lathe.
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