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4/13/17 5:04am - Original Message: 'oil leak'
CRIVette
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, - Italy

Vette(s):
Corvette C3 1973, Orange Metallic, interior light sand.

Joined: 4/13/2017
Posts: 10
Hi there i'm a new member from Italy.
I bought a "new" 1973 Vette.
I noticed that some drops of oil are falling from the bottom.
I will check as soon as possible if they come from engine or automatic transmission, but is it possible that the leak is about the refilling of oil and liquids?
The car was not running from 2 years. It has benn checked and oil and liquids all replaced.
Thank you for your answers!
Bye
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4/14/17 12:29pm - Reply: 'Re: oil leak'
73shark
Standard Member
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.

Joined: 7/9/2003
Posts: 397
Most likely the rear main seal but could be the tranny.  Is it auto or 4 speed?

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1973 L-82 4 spd

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4/14/17 3:07pm - Reply: 'Re: oil leak'
CRIVette
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, - Italy

Vette(s):
Corvette C3 1973, Orange Metallic, interior light sand.

Joined: 4/13/2017
Posts: 10
Thank you. My Vette is automatic I noticed that oil drops when hot. When the car is cold no drops are falling (if I leave the car not running two or more days, no new oli spots are presente under the car). Bye
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4/14/17 7:09pm - Reply: 'Re: oil leak'
Pappy's Toy Gold Member
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WILLIAMSTOWN, KY - USA

Vette(s):
Silver Anniversary 1978, L82?, 4-speed

Joined: 12/5/2002
Posts: 130
You may also want to check along the bottom edge of the valve covers for leaking valve cover gaskets.

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Pappy's Toy
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4/15/17 11:00am - Reply: 'Re: oil leak'
F4Gary Gold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.

Joined: 8/26/2006
Posts: 869
Is it engine oil or transmission fluid?  They are different.  Tranny fluid is usually redish.

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4/15/17 2:46pm - Reply: 'Re: oil leak'
CRIVette
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, - Italy

Vette(s):
Corvette C3 1973, Orange Metallic, interior light sand.

Joined: 4/13/2017
Posts: 10
After checking there is no leaking valve cover gaskets. Thank you
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4/15/17 2:55pm - Reply: 'Re: oil leak'
CRIVette
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, - Italy

Vette(s):
Corvette C3 1973, Orange Metallic, interior light sand.

Joined: 4/13/2017
Posts: 10
The fluid is dark brown / black. It has to be engine oil. Today I used the car, about 50 miles, after 2 days of stopping. No new spots on the ground when I start to drive. When I was back home, waiting the garage door to open, some drops of "fluid" were on the ground in the place the car was waiting. Next week I will lift the car and I will look under. I think I will give you new material... For now, thank you!
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4/16/17 6:58am - Reply: 'Re: oil leak'
cinor Lifetime Member
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, - Canada

Vette(s):
1975 L48 Stingray 1992 LT1

Joined: 12/24/2013
Posts: 285
Thats just how it goes with any old vehicle, the seals just get old especially if that car sat for two years.  Drive it and enjoy it for the driving months and tear the old girl down in the winter months



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4/28/17 11:05am - Reply: 'Re: oil leak'
rpetronk
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Sea Girt, NJ - USA

Vette(s):
1973 L48 mille Miglia Coupe

Joined: 10/7/2016
Posts: 8
my 73 was leaking at the cork Valve cover gasket - went with rubber -fixed


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4/28/17 11:07am - Reply: 'Re: oil leak'
rpetronk
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Sea Girt, NJ - USA

Vette(s):
1973 L48 mille Miglia Coupe

Joined: 10/7/2016
Posts: 8
did you fix your horn problem? If you didn't the horn relay is tucked in the fender on a 73 by the master cylinder


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4/29/17 5:10pm - Reply: 'Re: oil leak'
CRIVette
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, - Italy

Vette(s):
Corvette C3 1973, Orange Metallic, interior light sand.

Joined: 4/13/2017
Posts: 10
Fixed!
It was the only dry seal.
Now my garage floor is clean.
Thanks to all!

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4/29/17 6:19pm - Reply: 'Re: oil leak'
F4Gary Gold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.

Joined: 8/26/2006
Posts: 869
Which seal was it?

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4/30/17 3:34pm - Reply: 'Re: oil leak'
CRIVette
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, - Italy

Vette(s):
Corvette C3 1973, Orange Metallic, interior light sand.

Joined: 4/13/2017
Posts: 10
It was oil pan gasket. I replaced oil sump seal (I hope the translation is right... if not, sorry). The previous one was "old" and "dry".
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