Pulled the car out of the garage and seen some transmission fluid leaking on the driveway put the car up did a serch on CF found that sometimes on cold days the A-4 will do this if not warmed up so went back out let car get to full running temp and no leak. Is this a common problem with the low temp and A-4s ? I have a 2000 vert with 70000 miles. Basssprinng

 

 

For me it was replacing the transmission output shaft seal.
AC/Delco PN24228816
Drop the rear suspension, cradle, exhaust, tunnel plate & diff.

 

I've seen this occur when on an incline

Fluid will come out of the weep hole ?

 

Happened to my '98 last winter in sub-50's ambient temps. Went away as quick as it came.

 

Yes, the ATF comes out the weep hole. My driveway is on a slight incline uphill to the garage. During "cold" days, backing out of the garage would leave a 20 foot long "streak" of ATF on the concrete.

Finally got tired of "warming up" the Vette so I spent two weeks last winter leisurely R&R the seal and install Z06 Ti exhaust while I had the cradle out.

 

There was a thred a couple of years back regarding the seal. Seems when it is cold the seal leaks. When warm the seal does not leak.
If I recall it had something to do with the material the seal is made from.

 

Thanx for the input I have one of those 100.00 deduct warranties so I took it to the dealer for repair today will post more info when I hear from them. Bassspring

 

When I took my old, leaky seal out, it was pretty hard and not very pliable. Just reminded me of the Challenger Space Shuttle solid rocket booster o-rings.

 

Mine is doing the exact same thing right now. It has dipped in the 30-50's here

It appears to be coming from around the differential tho and is red not the tranny

 

There is a TSB out on this issue it covers 97-03 C5 new rear seal is required. Original seal takes a set in cold weather. Had mine done about 9 months ago.

 

Dealer called and said it was the transmission output shaft seal will cost me only the 100.00 deduct and will be ready to pick up Monday. Bassspring

 

Can you post more info about the TSB. Bassspring

 

Automatic Transmission Fluid Leak at Rear of Vehicle (Replace Rear Output Shaft Seal With New Design Seal) #03-07-30-042 - (Sep 15, 2003)

Automatic Transmission Fluid Leak At Rear of Vehicle (Replace Rear Output Shaft Seal With New Design Seal)
1997 - 2003 Chevrolet Corvette with 4L60E Automatic Transmission (RPO M30)

Condition
Some customers may comment on a fluid leak from the rear of the vehicle. This condition may be more likely to occur when the temperatures are below freezing.

Cause
The rear output shaft seal (106) may take a set in cold weather, allowing the seal to leak.

Correction
Diagnose the source of the fluid leak. Refer to Fluid Leak Diagnosis (SI Document ID #403256).

If diagnosis of the transmission fluid leak determines that the leak is from the rear output shaft seal (106), continue with the next step.
If diagnosis of the transmission fluid leak determines that the leak is from a location other than the output shaft seal (106), continue with the appropriate service procedure.

Remove the transmission from the vehicle. Refer to Transmission Replacement (SI Document ID #710311).



(106) Case Oil Seal Assembly (Corvette Only)

Replace the rear output shaft seal (106), P/N 24228816. Refer to Case Bushing Replacement In the Unit Repair Manual (SI Document ID #589612).
Reinstall the transmission in the vehicle. Refer to Transmission Replacement (SI Document ID #710311).
Road test the vehicle and confirm that all leaks have been repaired.
Parts Information
Part Number
Description

24228816
Seal, Rear Output Shaft (106)


Parts are currently available from GMSPO.

Warranty Information
For vehicles repaired under warranty, use:

Labor Operation
Description
Labor Time

K6360
Seal, Extension Housing Rear - Replace
Use Published Labor Operation Times

 

Thanx I hope this will help others with the same problem. Bassspring

 

You don't need to remove the transmission, just the transaxle/rear end to access the seal.

 

Picked up the car today totle cost for the transmission output shaft seal replacement 678.34 my cost 100.00 just a FYI for anyone who may need this done. Bassspring

 

That's pretty close to the price a local "stealership" wanted to fix mine. I couldn't stand to leave the Vette there for two days so I bought the parts and a motorcycle lift to drop the cradle to fix it myself and saved about $500. Plus the "bonding" time with my Vette....Priceless