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Draining torque converter

Draining torque converter

Postby jrod50 [OP] » Dec 14 2012, 8:00pm

Hi I have a 2000 5.3 Silverado and was wondering how to drain the torque converter. I know some cars come just with a plug, but some do not. Has anybody done this before on that year of truck, and know the best way to do it? Any help is greatly Appreciated. Thanks
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Re: Draining torque converter

Postby masterem88 » Dec 14 2012, 8:44pm

There is no drain bolt on this converter. The only do it yourself way to drain or flush out converter fluid is to remove a cooler line easiest would be lower radiator line, and put a rubber hose over it and run it into a bucket and start up truck and let it run for about 10 seconds and start pouring new fluid into trans through dipstick tube. Keep noting approximately how much has came out to what your adding to not run trans low on fluid. You will know its low the hose starts jerking around and youll hear the fluid spraying out instead of steady stream. Run atleast 3 gallons or 12 quarts through. May need a little more of fluid is dark and run til cherry red. Then reconnect line start up and top off. Then youve flushed trans and converter. If you plan on replacing pan gasket and filter do this after flush to not contaminate new filter with old fluid and friction material floating around. We use this method on all cars for flushing. To ease not making a mess after flushing and plan on changing filter. Let run after fluid is cherry just until hose starts to shake and hurry and shut engine off . This will remove most oil from the trans and pan
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Re: Draining torque converter

Postby gear.man.tex » May 19 2013, 7:28pm

makes perfect cense, i will be doing this procedure to mine this weekend, any suggestion on an additive if you think a trans might be weak?
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Re: Draining torque converter

Postby Welcher774 » May 19 2013, 7:49pm

For this I would go to a local shop that does transmission flushes. Some things are easier to have a shop do even though it may cost you some money. I would recommend Bg products.
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Re: Draining torque converter

Postby ASTE25 » May 19 2013, 8:19pm

masterem88 wrote:There is no drain bolt on this converter. The only do it yourself way to drain or flush out converter fluid is to remove a cooler line easiest would be lower radiator line, and put a rubber hose over it and run it into a bucket and start up truck and let it run for about 10 seconds and start pouring new fluid into trans through dipstick tube. Keep noting approximately how much has came out to what your adding to not run trans low on fluid. You will know its low the hose starts jerking around and youll hear the fluid spraying out instead of steady stream. Run atleast 3 gallons or 12 quarts through. May need a little more of fluid is dark and run til cherry red. Then reconnect line start up and top off. Then youve flushed trans and converter. If you plan on replacing pan gasket and filter do this after flush to not contaminate new filter with old fluid and friction material floating around. We use this method on all cars for flushing. To ease not making a mess after flushing and plan on changing filter. Let run after fluid is cherry just until hose starts to shake and hurry and shut engine off . This will remove most oil from the trans and pan

+1 on all of this. I'm not big on having the transmission flushed like another poster suggested.
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Re: Draining torque converter

Postby dieseloutlaw270 » May 20 2013, 12:01am

So you drop the pan And change the filter after the fluid swap or did I just confuse myself? Because I thought it was drop the pan change the filter then unhook the line and swap all the fluid.
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Re: Draining torque converter

Postby masterem88 » May 20 2013, 1:19am

NO!!! FLUSH THEN PULL PAN! This prevents old contaminants and old fluid from getting on new filter. But when flushing let it tun almost empty when line starts shaking and sputtering out fluid is when you shut it off after adding fresh fluid during flush. This will get out as much of old fluid as possible.
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Re: Draining torque converter

Postby masterem88 » May 20 2013, 1:20am

Sorry i read your post and i confused myself i read it wrong.Lol you were right. Flush then pull pan
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Re: Draining torque converter

Postby masterem88 » May 20 2013, 1:22am

Wait your response was two parted. Lol so technically my exclamation was neccesary
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Re: Draining torque converter

Postby ASTE25 » May 20 2013, 4:16am

I have always dropped the pan replaced the filter, then put about 5 quarts of new fluid in and then did the flush procedure. I have never had a problem doing it that way. I guess it could work either way though.
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