6 speed transmission fluid change, When? - Chevy Malibu Forum: Chevrolet Malibu Forums
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post #1 of 111 (permalink) Old 05-30-2009, 01:41 AM Thread Starter
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6 speed transmission fluid change, When?

I've looked in the owners manual for the service interval for the 6 speed transmission fluid change, but can't seem to find it. I'm far from 30,000 - 50,000 miles that most tranys would need this. Does anyone know when it is.

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post #2 of 111 (permalink) Old 05-30-2009, 08:47 AM
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Re: 6 speed transmission fluid change, When?

GM usually recommends transmission fluid change at 50,000 miles, check with the dealer on this to be sure since you're not finding the information in the owners manual, which is weird.


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post #3 of 111 (permalink) Old 05-30-2009, 11:30 AM
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Re: 6 speed transmission fluid change, When?

You wont find it in the manual because its a "lifetime" fluid.

However, just get it done around 50k miles and thats it.

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post #4 of 111 (permalink) Old 05-30-2009, 12:16 PM
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Re: 6 speed transmission fluid change, When?

Quote:
Originally Posted by bballr4567 View Post
You wont find it in the manual because its a "lifetime" fluid.

However, just get it done around 50k miles and thats it.
I will personally get the fluid changed at 30-50,000 miles.

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post #5 of 111 (permalink) Old 05-30-2009, 04:20 PM Thread Starter
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Re: 6 speed transmission fluid change, When?

All due respect BBallr, but nothing is "lifetime". Just like with engine oil, trany fluid has a service life and will break down with use. Since i do my own oil changes when required and document everything to the "t" to keep my 5/100 warranty in "no questions asked mode", I also want to keep the rest of the power train there too. I did find in the owners manual on page 6-6 "Additional Required Services"

* Change automatic transmission fluid (severe service only). Change filter (except 6-speed). See footnote (h).


* (h) Change automatic transmission fluid and filter
(except 6-speed) if the vehicle is mainly driven under
one or more of these conditions:

− In heavy city traffic where the outside temperature
regularly reaches 90F (32C) or higher.
− In hilly or mountainous terrain.
− When doing frequent trailer towing.
− Uses such as found in taxi, police, or delivery
service.

Don't you think this is a little open ended?

Doesn't performed and documented service to the power train reflect an "under warranty covered repair" if it becomes necessary?

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Last edited by Red Ryder; 05-30-2009 at 04:25 PM.
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post #6 of 111 (permalink) Old 05-30-2009, 11:09 PM
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Re: 6 speed transmission fluid change, When?

Ryder, notice the " marks around the lifetime?? Its because GM says its lifetime fluid and will be fine. I would never let ANY fluid go that long.

Also, notice in what you posted. It says except 6 speed. That is for the 4 speed transmission.

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post #7 of 111 (permalink) Old 05-31-2009, 05:19 AM
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Re: 6 speed transmission fluid change, When?

Ok - so what kind of tranny fluid is in our 6sp's that GM is thinking that its a lifetime fluid.

I - just like Red - am very anal when it comes to fluid changes on all my vehicles.

I didnt even think about the trans yet as my 'bu only has 2k miles so far - but not changing the fluid in a 6sp GM trans kinda scares me...

So what gives....I guess I need to take a look at the trans and see how it is set up. From the post above - it even looks like the trans doesnt have a filter either ?

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post #8 of 111 (permalink) Old 05-31-2009, 08:39 AM
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Re: 6 speed transmission fluid change, When?

Seriously, why are you guys worrying about this? Who cares if GM says it's lifetime or not. Get the fluid changed when you feel comfortable and everything will be fine. Lifetime is for the idiots who don't do any maintenance on their vehicles. Can it last the lifetime of said person owning vehicle? Probably, but why take the chance. Change the fluid between 30-50k and you'll be fine.

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post #9 of 111 (permalink) Old 06-01-2009, 03:31 AM Thread Starter
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Re: 6 speed transmission fluid change, When?

I seemed to miss where it explicitly says "No maintenance required" and "lifetime fluid, no need to replace it if you are the first owner". Like I said, it seems to open ended and doesn't feel right. Will try to ask someone at my dealership after all this Bankruptcy is over and hope and pray their not on the dealership closing list.

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post #10 of 111 (permalink) Old 06-01-2009, 10:06 AM
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Re: 6 speed transmission fluid change, When?

it gets changed at 100,000 miles and it has dexron 6 fluid and that's what my dealer told me
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