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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: Buddy on October 12, 2010, 07:26:35 pm

Title: how do I drain the tranny
Post by: Buddy on October 12, 2010, 07:26:35 pm

I have a 700r tranny that I over filled, cant seem to find a drain plug do I have to remove the entire pan

Title: Re: how do I drain the tranny
Post by: jaredts on October 12, 2010, 07:29:06 pm

There's something like a siphoning hose with a bulb type hand pump on it--real cheap setup.  A couple of bucks and a couple of minutes.

Title: Re: how do I drain the tranny
Post by: Lt.Del on October 12, 2010, 07:43:09 pm

unhook one of the lines at the radiator and run the engine for about 4 seconds.   Make sure you have a jar or something with a rag to catch the fluid or you will have a mess.  I think the bottom line will pump out and the top line is return, so keep that in mind when placing the jar.

make sure you don't run it more than 3 or 4 seconds, you don't want to mess up the pump.  If you need to drain more, run the engine normally first for a bit so not to run your trans pump dry.

Title: Re: how do I drain the tranny
Post by: Irish_Alley on October 12, 2010, 07:44:11 pm

Some don't have a bolt to frail them. Think you can get some put by removing the drive shaft yoke also