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Best Tranny Fluid

Tranny Fluid

Best Tranny Fluid

Postby ALFONSO318 [OP] » Apr 30 2011, 5:21pm

I recently got a 2000 Silverado with 154xxx miles....love the truck but i fear that the tranny fluid hasnt been changed in quite some time...anybody have a fluid they prefer to use or have heard good things about?

Any tricks to changing the fluid? I've done it on a dodge but not on a chevy...is the tranny pan tough to get to?

Thanks
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Re: Best Tranny Fluid

Postby davidbarrett » Apr 30 2011, 5:26pm

I dont know how easy it is to change the oil but most people like AmSoil full synthetic
http://www.amsoil.com/storefront/atf.aspx
I hope this helps, we also have a dealer of AmSoil in this group
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Re: Best Tranny Fluid

Postby davidbarrett » Apr 30 2011, 5:30pm

I Just looked him up and it is Z15 see below
http://www.silveradosierra.com/member/Z15/
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Re: Best Tranny Fluid

Postby JCunningham » Apr 30 2011, 8:14pm

its easy to do. but if switching to Amsoil or any non GM trany fluid i would switch it all out. with the pan you will only drain 5qts of the old stuff. you will have to buy 16qts of Amsoil and pull the return line from the tranny cooler. or just take it tot a shop and have them do it. it will be a pain not to have a lift.
Im changing mine over to Amsoil but I have access to a lift.
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Re: Best Tranny Fluid

Postby Z15 » May 01 2011, 1:03am

With that many miles on the truck its very important you drop the pan and inspect if for debris in the bottom. If you find grayish material its probably a sign the clutches are wearing and the trans is reaching its service life.


That link is for a Dexron III compatible fluid which many other oems still spec.

For the product formulated to meet the Dexron VI spec, please use this link:
Synthetic Fuel Efficient Automatic Transmission Fluid Product Code: ATLQT-EA
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Re: Best Tranny Fluid

Postby katjar503 » May 01 2011, 1:41am

I like Val. Max life. When you pull pan dont pry or you can break shift solenoids in the rear.
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Re: Best Tranny Fluid

Postby szyg6h » May 06 2011, 5:15am

I'd go with Allison TranSynd from an Allison dealer.
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Re: Best Tranny Fluid

Postby Austin » May 06 2011, 4:19pm

I just wanted to throw a couple of topics up from our How-to section in case you haven't read them yet.

How to do a 4L60E Transmission Service
How to change the Transmission Filter in Chevy/GMC trucks
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Re: Best Tranny Fluid

Postby jocko463 » May 06 2011, 6:08pm

I had done a full-system flush on my '98 at my local shop about 3 years ago. The shop used BG products and refilled my 4L60E with full-synthetic fluid; I've had zero problems.

If you go to their website you'll find local shops stocking/using their line of fluids and equipment. I was surprised to find both Buick/GMC dealers in my area using BG products.

I think there is a lot of wrong info and maybe some superstition out there about the selection of tranny fluid. FYI, Dexron III, which is probably the recommended fluid for many of our vehicles, is no longer licensed by GM ...which means manufacturers are free to label compatible fluids as suitable for Dex III use. Ever notice many bottles of fluid are labelled Dexron/Mercon?

The latest DEXRON is IV and is backwardly compatible in all GM trannies. This is one of those topics that can generate a real firestorm....
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