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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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  #1  
Old 07-15-2009, 12:45 AM
DanD DanD is offline
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Which ATF is everyone using?

My o3 Trailblazer will have 50,000 miles on it soon (don't do a lot of driving and have a company vehicle for work). I'm going to change all the fluids when I get to 50,000 just because of the age...almost 6.5 years already. I have found a lot of discussion in the forums about the different ATF that is available but no real consensus. I will either use Mobil Dexron VI if I can find it, or the Mobil 1 ATF that's compatible with Dexron III, or Amsoil ATF, and now I see that Amsoil has a low viscosity ATF that they say is for Dexron VI applications. What is everyone using and why? I have a feeling that probably any of these would be great, but just want the best since I will probably keep my Trailblazer forever! Thanks in advance for any replies.
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  #2  
Old 07-15-2009, 12:54 AM
WOOLUF1952 WOOLUF1952 is offline
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The Dexron III has been discontinued by GM, so I'm going with Dexron VI or equivalent. Probably Mobil 1.
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  #3  
Old 07-15-2009, 07:57 AM
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Zero Zero is offline
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i personaly am gona use amsoil. the SLV (low viscosity) ATF.

im gona switch all fluids to amsoil.
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Old 07-15-2009, 08:37 AM
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ATF...
A - Yuengling Black and Tan, or Dos Equis
T - Don't smoke
F - Varies... XD45C, or AR-15 usually...

Oh... did you mean Automatic Transmission Fluid??

Dex 6...

Mike
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  #5  
Old 07-15-2009, 08:57 AM
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MAY03LT MAY03LT is offline
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Quote:
Originally Posted by WOOLUF1952 View Post
Dexron VI
Quote:
Originally Posted by bartonmd View Post
Dex 6
these
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Old 07-15-2009, 10:52 AM
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Beast388 Beast388 is offline
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I have just under 52k miles on my '04 and I just flushed and filled with Dexron VI.



I am just a few weeks away from a 4000 mile round trip family vacation that will take us over the Rockies, so I opted to switch to Dexron VI.
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  #7  
Old 07-15-2009, 06:16 PM
DanD DanD is offline
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Quote:
Originally Posted by bartonmd View Post
ATF...
A - Yuengling Black and Tan, or Dos Equis
T - Don't smoke
F - Varies... XD45C, or AR-15 usually...

Oh... did you mean Automatic Transmission Fluid??

Dex 6...

Mike
For me I think it's:
A-Whatever is being served
T- Only when a friend has a baby
F- I like sporting types....have several Remington rifles and shotguns and a Browning shotgun. Would like a .357 revolver!
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  #8  
Old 07-15-2009, 06:23 PM
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07BlazerMan 07BlazerMan is offline
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Quote:
Originally Posted by Zero View Post
i personaly am gona use amsoil. the SLV (low viscosity) ATF.

im gona switch all fluids to amsoil.
I agree with the next oil change switching over from the Mobil 1 , and doing all the fluids as they come along. I just had the trans flushed and they used Valvoline Dexron VI so that will be awhile.
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  #9  
Old 07-15-2009, 07:50 PM
marineguy99 marineguy99 is offline
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I just changed mine last weekend. I used Valvoline VI with a WIX filter. The bottom of the pan didn't have much residue at all but my truck only has 35K on it. I could immediately tell it shifted smoother despite only doing a pan drop and not a total flush.
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  #10  
Old 07-15-2009, 09:17 PM
pvgoheelsunc1 pvgoheelsunc1 is offline
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all the above

Castrol MB1 Valvoline will work. I often wonder who makes all these fluids for these automotive corp. GM, Ford, Honda ect..... Texaco makes DEX-COOL for GM. Havoline makes Motorcraft oil for Ford.
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