Transmission flush or change?

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Ian_Olivas

Ian_Olivas

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What's the difference between them and what is recommended. Also how often should I change the trans fluid? I have an 02 and don't think it's been changed out
 
Beauregard7765

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It should be like every 30 thousand miles.

Trans flush is when they hook it up to a machine and force all the old oil out of the torque convertor and such.

Fluid change is just changing out the oil in the transmission pan.
 
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Bullitt5339

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When you change the fluid, you're not really changing the fluid, you're replacing about 1/5th of the transmission fluid at a time.
 
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bulrid8

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Doing a flush can break varnish loose in tranny. That can lead to blockage and failure. Better to do fluid change. Wait a few days and do another. Other options is to do a change by pulling cooler line. This will change all fluid at once. Please read up on doing it, so you don't hurt your tranny.

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usaf2006

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Yeah I don't, and most, won't recommend an actual flush since the chance that more harm than help is pretty high.
 
CVX20

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I was the tranny guy at a GM Dealer for 15 years and believe me tranny flushes destroyed more trannies than they ever helped.
 
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Ian_Olivas

Ian_Olivas

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Beauregard7765 said:
It should be like every 30 thousand miles.

Trans flush is when they hook it up to a machine and force all the old oil out of the torque convertor and such.

Fluid change is just changing out the oil in the transmission pan.
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Yea I have like 200k miles and think it's been changed once... so from others say about a flush I should just do a change to ensure I don't mess the trans up and not clog it? My fluid has a nice pink color to it and don't have any metallic flakes in it at all either
 
justin13703

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I would definitely NOT do a transmission flush on your truck. Just do a fluid and filter change. I believe that the recommended fluid and filter change interval is more like 60k miles or more.
 
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