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8/17/14 7:39pm - Original Message: 'Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1046
OK I've heard to words of wisdom on this.  Reuse the old fluid but filter it first(with what?) and you'll end up losing only 4-5 quarts so just use new stuff.

Someone give me the right answer which you WILL be held liable.  If my tranny goes kaput during my trip to Carlisle and the the NCM, I'm towing it to your house.  Before you ask, yeah,I have to change it now.  I'm burning the fluid at every red light and it's embarassingEmbarrassed


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Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
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8/17/14 10:30pm - Reply: 'Re: Changing leaking tranny pan gasket'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19523
Re-using the old fluid is gunna depend on what it looks like to start with. If there's crap in the pan(piles of it), then there's no real guarantee that the trans isn't gunna take a doo-doo whether you change the fluid or not. However, putting NEW fluid in a trans that is questionable is a sure fire way to accelerate the failure. Hence the suggestion to change the filter, and put the same old fluid back in, and top off with new fluid as needed. If yours has been leaking for a while, and you've been adding new fluid to keep it filled, it might be fine.
The real question is, does it work WELL, when full of fluid? NO slippy shifts, or banging when you put it in gear?
If it fails on yer trip, you can certainly tow it to me....in TEXAS....I'll fix it up fer ya....Ermm

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Joel Adams
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8/19/14 4:50pm - Reply: 'Re: Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1046
I changed the gasket and reused the 3-4 quarts of tranny fluid.  Threw the whole shabang back in, crude and all like you said, accidentally missed getting a fly out of the fluid and it went right down the fill tube.  Seems to be having a little problem and making some odd noises, you have any ideas?

Hopefully you read that before jumping to here.  I was just kidding about that.  I strained the fluid through a paint filter.  I wasn't going to use the old stuff but it wasn't clear, didn't smell burnt.  I added one quart of new fluid and all is well. 


|UPDATED|8/19/2014 1:50:49 PM (AZT)|/UPDATED|


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Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
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8/19/14 5:27pm - Reply: 'Re: Changing leaking tranny pan gasket'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19523
The problem is that flies are ONLY used in Chrysler transmissions.....Wasps are used in GM trannys.... Stern Smile
Yer gunna hafta get that dang thing outta there....get one of those Texaco Fly Strips, roll it up, and run it down thru the filler tube, and try to get that fly stuck on it. Otherwise, yer gunna hafta cram a roach down in there and wait for it to find the fly, and eat it.....the roach will find it's own way back out, so don't worry about leaving it in there.....Geek


Or....you can pull the pan back off and fish it out....that's what we call Fly fishin.....

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Joel Adams
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8/19/14 10:07pm - Reply: 'Re: Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
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OK, I threw a roach down after the fly.  Seems the roach did more damage than the fly as I have another leak.  Maybe the pan leak was hiding the other leak(s).  I'm gonna take a guess at the cable adjust seal.  I'll clean everything even better tomorrow and check it out after a ride.  Hopefully this won't interfere with the CAC/NCM trip...I leave this Thursday.

The pan held some sizable chunks.  Looked like scale rust about the size of quarter of a dime(2.5 cents worth).  May have been from the pan itself(?), there were a couple of rusted areas on the pan.  Cleaned everything up before re-installing.  Painted the pan white...looks ridiculous but that was the only heat resistant paint I had left.


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Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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8/19/14 10:16pm - Reply: 'Re: Changing leaking tranny pan gasket'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19523
Dadgummit....Cry
BEst to clean all around as much as you can, drive it some, and check to see if you can find the source. If it is a small leak, then it shouldn't be an issue for your trip(s), as long as you keep an eye on the fluid level.  Only three places it can leak on the driver side, and that's from the selector shaft seal(shifter), the electrical connector for the lock-up converter, and the governor cover.
On the passenger side, there's quite a few places it can leak. Cooler lines, filler tube seal, TV cable seal, the accumulator cover, and the modulator.
Then of course you have you major issue leaks...from the FRONT area...you really do NOT want to see fluid seeping/leaking from there....Censored


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Joel Adams
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8/19/14 11:23pm - Reply: 'Re: Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1046
I really don't care where it's leaking from as long as it doesn't interrupt this trip.  I had planned on having the tranny rebuilt, at least, or replaced outright this winter.  I would love to have an overdrive gear so who knows what the final decision on that will be.

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Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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8/20/14 11:37am - Reply: 'Re: Changing leaking tranny pan gasket'
johnu
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Eagan, MN - USA

Vette(s):
1981 Corvette Two-Tone Claret color, 4 spd, C7 Vert

Joined: 5/23/2007
Posts: 516
Next time the pan is off, put a straight edge on it and look for low spots. 

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8/20/14 11:41am - Reply: 'Re: Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1046
johnu said: Next time the pan is off, put a straight edge on it and look for low spots. 


yeah...or maybe I didn't torque it in the right sequence.  You know maybe I went around the pan instead of criss-cross...I'm a dope...a very tired dope.

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Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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8/20/14 11:53am - Reply: 'Re: Changing leaking tranny pan gasket'
F4Gary Gold Member
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Grapevine, TX - USA

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

Joined: 8/26/2006
Posts: 933
Well, if you had put a German Cockroach in there instead of a common cockroach, your problems would be over.  A German cockroach would have fixed the leak before he left. 




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8/20/14 12:59pm - Reply: 'Re: Changing leaking tranny pan gasket'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19523
Dave......is it STILL leaking from the pan, as far as you can tell?You dint really specify...just said it still had a leak....
Still, you need to VERIFY where the leak is......almost every place on that trans that can leak will run down, and appear to be leaking from the pan....
Clean/dry it off really well with some brake cleaner....the source will be much easier to find that way. Always look above where the main drip/seepage is to be sure it is not something above leaking down....Thumbs Up

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Joel Adams
C3VR Lifetime Member #56    
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(click for Texas-sized view!)
             NCRS

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8/20/14 2:01pm - Reply: 'Re: Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1046
Cleaned her up nice and purty(Joel's words not mine)Big smile and took hr for a quick spin around the block.  No faster than 25 mph and it looks like It's leaking from the pan, passenger side.  The only reason that I'm not sure is how far back the fluid is present on the exhaust.  Starts near the front of the pan and goes a little past the tranny mount.  I used a rubber gasket (which I hate).  I'm going to replace it with a cork gasket and RTV.  Got my kids coming over to help because all this up and down is killing my back.

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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8/20/14 8:37pm - Reply: 'Re: Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1046
I don't see any leaking from above the pan but boy, there sure is lots of smoke from burn off around the exhaust and I can still see some leakage from the pan.  I'm taking it in tomorrow to have the pro's look at it.

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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8/22/14 1:34am - Reply: 'Re: Changing leaking tranny pan gasket'
dskopp
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Oak Creek, WI - USA

Vette(s):
1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!

Joined: 5/21/2008
Posts: 1956
dads2vette said: Cleaned her up nice and purty(Joel's words not mine)Big smile and took hr for a quick spin around the block.  No faster than 25 mph and it looks like It's leaking from the pan, passenger side.  The only reason that I'm not sure is how far back the fluid is present on the exhaust.  Starts near the front of the pan and goes a little past the tranny mount.  I used a rubber gasket (which I hate).  I'm going to replace it with a cork gasket and RTV.  Got my kids coming over to help because all this up and down is killing my back.


Anything else "bugging" you???
See you at the NCM????
Dan da Man


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8/22/14 1:24pm - Reply: 'Re: Changing leaking tranny pan gasket'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1046
I'll be there, Dan. We made it to our hotel around 11pm. Saw some of the gang this morning at the fair grounds. Heading to dinner a little later. I have pics on face book.

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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