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Old 08-16-2009   #31
flyin ryan
 
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Default Re: Crankshaft rear seal didn't fix the oil leak

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Originally Posted by Jagdpanzer View Post
Easy, drain the engine oil and refill with Royal Purple oil.
Grape juice .
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Old 08-16-2009   #32
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Default Re: Crankshaft rear seal didn't fix the oil leak

Okay, I don't know of a dye, maybe water based food coloring?

This thought just hit me. The trans fluid is new? The motor oil will get contaminated with blow by & turn dark, almost black. Why not wait till that happens then compare colors? It shouldn't take all that long. Or not.

I know, I know, I'll go........
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Old 08-16-2009   #33
A26B
 
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Default Re: Crankshaft rear seal didn't fix the oil leak

There is a dye for engine oil, available at auto parts stores. Ryan knows that, he's just being a wise azz because he know his winter is just around the corner.

PS Tom, you let your oil get black before changing? Naughty naughty, bad Tom!

There is another way. Drain all the oil out of either the engine or tranny, drive it around a bit. Then if it still leaks you know where it came from.
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Last edited by A26B; 08-16-2009 at 01:23 PM.
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Old 09-02-2009   #34
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Default Re: Crankshaft rear seal didn't fix the oil leak

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Originally Posted by A26B View Post
...There is another way. Drain all the oil out of either the engine or tranny, drive it around a bit. Then if it still leaks you know where it came from.
Thanks for the advice Jerry. Have you tried that approach? My idea is to drain the oil out of both and then no more oil leak.


Well, back from vacation now. I put oil UV dye in the transmission. Drove to Bill's for a beer or two. The leaking oil is coming from the transmission.

The UV dye is pretty neat. The oil has a slight tint to it, but as soon as I turned on the UV light, it glowed light green. I discovered that I had dripped it all over my bench as well.

So I will be pulling the transmission soon to replace the input shaft seal.

Jim

Last edited by QB93Z; 09-03-2009 at 09:44 AM.
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Old 09-02-2009   #35
ZR-1nce removed
 
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Default Re: Crankshaft rear seal didn't fix the oil leak

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Originally Posted by QB93Z View Post
Thanks for the advice Jerry. Have you tried that approach? My idea is to drain the oil out of both and then no more oil leak.


Well, back from vacation now. I put oil UV dye in the transmission. Drove to Bill's for a beer or two. The leaking oil is coming from the transmission.

The UV dye is pretty neat. The oil has a slight tint to it, but as soon as I turned on the UV light, it glowed light green. I discovered that I had I had dripped it all over my bench as well.

So I will be pulling the transmission soon to replace the input shaft seal.

Jim

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Old 09-03-2009   #36
Scrrem
 
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Default Re: Crankshaft rear seal didn't fix the oil leak

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Originally Posted by QB93Z View Post
So I will be pulling the transmission soon to replace the input shaft seal.
Jim
If you need any "Expert Supervison".....I'm your man
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Old 09-03-2009   #37
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Default Re: Crankshaft rear seal didn't fix the oil leak

Thanks Rich, definitely!

Darrin, think we can swap the tranny and replace your leaf spring in the same day? Let me know when you get your bushings. Better yet, get me a set too, I'll pay you back.

Jim
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Old 09-03-2009   #38
A26B
 
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Default Re: Crankshaft rear seal didn't fix the oil leak

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Originally Posted by QB93Z View Post
Thanks for the advice Jerry. Have you tried that approach? My idea is to drain the oil out of both and then no more oil leak.
Jim
No, haven't tried it myself, but I like your's better. "We don't need no stinkin' oil"

Glad you located the leak Jim. You got zippers on the tranny now?

Take care,
Jerry
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1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc.
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Old 09-04-2009   #39
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Default Re: Crankshaft rear seal didn't fix the oil leak

No zippers, but I did use ball-lock pins instead of bolts to secure the transmission.

Jim
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