Major Oil Leak - 1 quart in 400 miles! - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-12-2005, 12:19 AM   #11
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Quote:
Originally Posted by 1fatcat
I've seen the oil filter adapter gasket leak like that....like jr's3800 said.

Just a thought, I've never tried this, but maybe squirt a hole bottle of red food coloring into the engine oil and look for the trail of "blood"? Just a thought?
Doesn't the dealership sell a Dye that can be used... I remember that stuff being used to find a leak on my car( Still under warranty at the time ) And it was red as could be... And sure showed up with a blacklight...

I assume the red food coloring will do the same( not glow but show a nice trail )... Seems like a good idea..

Stupid question... Will the food coloring mix with the oil?

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Old 08-12-2005, 12:44 AM   #12
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Yes, dealers and other shops alike use oil dye to trace leaks. But these dyes can only be seen with a black light/ultra violet light.

I don't know if food coloring will mix with oil or not....I've never tried it. And I don't know if it would be very visible either?

I guess we need a guinee pig to try it out?........maybe yellow would work better than red???? Maybe it won't work at all?
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Old 08-12-2005, 02:33 AM   #13
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by 1fatcat
I've seen the oil filter adapter gasket leak like that....like jr's3800 said.

Just a thought, I've never tried this, but maybe squirt a hole bottle of red food coloring into the engine oil and look for the trail of "blood"? Just a thought?
Doesn't the dealership sell a Dye that can be used... I remember that stuff being used to find a leak on my car( Still under warranty at the time ) And it was red as could be... And sure showed up with a blacklight...

I assume the red food coloring will do the same( not glow but show a nice trail )... Seems like a good idea..

Stupid question... Will the food coloring mix with the oil?
we have used at the shop as well very good stuff
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Old 11-18-2005, 01:29 AM   #14
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What was the resolution to your problem?

I had a major leak on my '95 and it ended up being a leak in timing cover gasket near the oil passageway that goes from block to timing cover... at least that is where I think it was leaking. I also had a minor leak in comparison, actually small seeping of oil from intake, so I did intake, supercharger, and valve cover gaskets and now have zero leaks. All of this was quite a job, by my standards.

I also found out why my engine is so noisy - the balancer shaft. I don't know if it is coincidence or what (age/mileage), but recently my harmonic balancer broke, I got the massive oil leak, and the balancer shaft makes a terrible lot of noise (seems like way too much end-play). This motor has been noisy as ever since I have owned (25k miles, now 130k miles), but not nearly this noisy.

I decided I was not going to pull the motor and dig any deeper...probably just see what happens.
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Old 11-18-2005, 01:37 AM   #15
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Please don't dig up old threads. Start a new one.
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