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-   -   New Transmission Leaking (http://www.hotrodders.com/forum/new-transmission-leaking-162353.html)

SmokeShow01 07-27-2009 08:10 AM

New Transmission Leaking
 
I just drove home with my newly installed ZZ4 350 Crate Engine mated to a TCI SSF 700R4 with a 2500 lock-up stall converter, 4.11 Rear Gears. I drove approximately 160 km (100 miles) on the hiway 110 km/hr- spirts to 140 km/hr (65mph-spirts to 85mph) and I noted some smoke coming out of one of the tailpipes. Concerned of course, but it was very light coloured, almost vapour like, continued to drive vehichle seamingly working well. The Oil pressure gage gives me a highish reading, not sure if it is functioning properly, the Vehicle the engine is in is a 76' GMC Pick-up. The temp outside was 31C or 87.8F dry and hot. Keeping an eye on everything, I touched the bottom of the tranny looked at my finger and saw, Cherry Flavoured Cough Medicine...I am like...oh oh....whats going on here...

I clean up and wipe down all surfaces, I noted the blow back of the oil over the exhaust system, mostly on one side, hence the smoke I saw coming out or, seemingly out of the exhaust pipe, now realizing that it was the tranny oil burning on the hot surface of the exhaust pipe on the one side, at least now I don't have to get any undercoating done for rust.

I checked fluid levels, and Tranny looks highish, I mean, is it possible to put too much Tranny fluid in a Tranny? The level is on the Top Line of where it says Engine Hot, this is when the Vehicle sat over night and cool in the morning.

Looks like the Oil is coming from the drivers side where the transmission meets the engine - lower left front corner of Tranny. Could it be the Torque Converter? Any thoughts from anyone?
The vehicle still drives, did seem to be switching from 3rd to OD and back again a few times...
Vehicle still seems to have lots of power, I am just afraid to push it at all, don't want to do any damage, I am going to bring it to a shop today, just looking for some input, thanks guys.

tnsmith10 07-27-2009 04:33 PM

Quote:

Originally Posted by SmokeShow01
I just drove home with my newly installed ZZ4 350 Crate Engine mated to a TCI SSF 700R4 with a 2500 lock-up stall converter, 4.11 Rear Gears. I drove approximately 160 km (100 miles) on the hiway 110 km/hr- spirts to 140 km/hr (65mph-spirts to 85mph) and I noted some smoke coming out of one of the tailpipes. Concerned of course, but it was very light coloured, almost vapour like, continued to drive vehichle seamingly working well. The Oil pressure gage gives me a highish reading, not sure if it is functioning properly, the Vehicle the engine is in is a 76' GMC Pick-up. The temp outside was 31C or 87.8F dry and hot. Keeping an eye on everything, I touched the bottom of the tranny looked at my finger and saw, Cherry Flavoured Cough Medicine...I am like...oh oh....whats going on here...

I clean up and wipe down all surfaces, I noted the blow back of the oil over the exhaust system, mostly on one side, hence the smoke I saw coming out or, seemingly out of the exhaust pipe, now realizing that it was the tranny oil burning on the hot surface of the exhaust pipe on the one side, at least now I don't have to get any undercoating done for rust.

I checked fluid levels, and Tranny looks highish, I mean, is it possible to put too much Tranny fluid in a Tranny? The level is on the Top Line of where it says Engine Hot, this is when the Vehicle sat over night and cool in the morning.

Looks like the Oil is coming from the drivers side where the transmission meets the engine - lower left front corner of Tranny. Could it be the Torque Converter? Any thoughts from anyone?
The vehicle still drives, did seem to be switching from 3rd to OD and back again a few times...
Vehicle still seems to have lots of power, I am just afraid to push it at all, don't want to do any damage, I am going to bring it to a shop today, just looking for some input, thanks guys.

did you check the fluid while it was running and the trans in park? if so and it reads where you say, then id be looking up on the drivers side of the case near the top and see if the vent looks wet... odds are if its really that full, its venting the fluid from being overfilled. drop the fluid level so that its at the top of the cross-hatches with the vehicle at operating temp running in park.

302 Z28 07-27-2009 05:20 PM

Also check on the right side of the trans where the cooling lines attach.

Vince


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