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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: beastie_3 on July 01, 2011, 03:33:13 pm

Title: Removing transmission lines
Post by: beastie_3 on July 01, 2011, 03:33:13 pm

Im going to be replacing the transmission lines (old ones were cut by PO and bypass the radiator to just a external cooler). My question is if I drain some of the fluid out of the pan, will that decrease the spill when I remove the lines from the transmission, or do I just wait for it all to drain out? Just trying to keep a mess to a minimum.

Title: Re: Removing transmission lines
Post by: Grim 82 on July 01, 2011, 04:40:40 pm

I would leave the pan and just have some rags handy and work quickly to mitigate the mess. You will have fluid running back from the lines as well that you could temporarily plug or cap.

Title: Re: Removing transmission lines
Post by: beastie_3 on July 01, 2011, 05:18:50 pm

Sorry, I dont follow the second part.

Title: Re: Removing transmission lines
Post by: Grim 82 on July 01, 2011, 05:54:18 pm

When you remove the lines from the trans alot of the fluid loss will be the fluid that's in the lines draining from the tubes from the trans cooler side, as opposed to heaving from the trans itself, so unless you are servicing the trans I would leave your pan gasket intact. It will be messy either way, but then you won't have to replace as much fluid or worry about the gasket leaking later on.

Title: Re: Removing transmission lines
Post by: beastie_3 on July 01, 2011, 06:24:55 pm

ah ok, ya i was hoping the only fluid I'd have to deal with was what's in the lines, and that's ok. Good to know I shouldn't have fluid coming out of the transmission at the connection.

As for the pan, I have a aftermarket pan with a drain plug. Ive replaced that gasket for the last time! ha.

Title: Re: Removing transmission lines
Post by: VileZambonie on July 01, 2011, 08:59:02 pm

I use these to minimize the mess

http://www.amazon.com/Thexton-319-Transmission-Cooler-Plugs/dp/B000P9EOW6

Title: Re: Removing transmission lines
Post by: beastie_3 on July 01, 2011, 09:31:01 pm

neat tool