Automatic Transmission fluid change/details - Pontiac GTO Forum
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post #1 of 6 (permalink) Old 03-18-2014, 06:05 PM Thread Starter
 
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Automatic Transmission fluid change/details

I want to change the ATF fluid/filter(s) in my '04 GTO. Currently at 55k miles. All highway driving. Daily driving to and from work. Always (well most of the time) driven easy.

i couldn't find any details on the forums as far as how many quarts drain out when you do a drain/fill. Would a simple fluid change be good enough? or do you guys recommend taking it somewhere and flushing out and replacing all the fluid??
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post #2 of 6 (permalink) Old 03-18-2014, 06:24 PM
 
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According to the service manual:
Automatic Transmission fluid and filter (Drain and Refill) 5.3 quarts DEXRON-III

It is suggested to change it ever 50000 miles for normal use and every 25000 miles for severe service. Your description sounds like normal service. In both cases they say 'change' rather than flush.

2005 Pontaic GTO - CGM 6 Speed (My car)
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2010 Mercedes Benz C300 Sedan (Wife's car)
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post #3 of 6 (permalink) Old 03-18-2014, 06:40 PM Thread Starter
 
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Originally Posted by HP11 View Post
According to the service manual:
Automatic Transmission fluid and filter (Drain and Refill) 5.3 quarts DEXRON-III

It is suggested to change it ever 50000 miles for normal use and every 25000 miles for severe service. Your description sounds like normal service. In both cases they say 'change' rather than flush.
thanks for the info!
any experience with Amsoil ATF? I think I'm going with the Signature Series.
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post #4 of 6 (permalink) Old 03-18-2014, 07:11 PM
 
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All it says is Dexron-III and to look for 'Approved for the H-specification" on the label. I'm fairly sure that Amsoil meets that spec.

2005 Pontaic GTO - CGM 6 Speed (My car)
2017 Chevrolet Colorado 2WT (My daily driver)
2010 Mercedes Benz C300 Sedan (Wife's car)
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post #5 of 6 (permalink) Old 03-26-2014, 08:03 PM
 
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Did mine last summer used Royal Purple.Have not seen any problems yet.
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post #6 of 6 (permalink) Old 04-09-2014, 03:00 PM
 
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I use Redline D4 atf in my M12 6 spd . Dex-IIIh rated tranny shifts like butter !
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