Trans fluid changes

[JoshH]

It's in my 8 speed. All I know is it's synthetic and costs 8 bucks a quart. Probably great stuff.

8 speed? What sort of vehicle might this be in?

 

[Chevy1925]

It's in my 8 speed. All I know is it's synthetic and costs 8 bucks a quart. Probably great stuff.

no kidding, from factory with synthetic in it?! thats pretty cool.

 

[WVRigrat05]

I'm a couple gears shy to be running that stuff.

 

[Mike L.]

8 speed? What sort of vehicle might this be in?

2016 GMC Sierra 1500 with 6.2 L86 Vette motor. Trans is the 8L90 E. My new toy.

 

[SoCalMike]

Glad I came across this thread. Looks like I am due for a fluid change and will be going to visit Mike soon.

 

[Mike L.]

Glad I came across this thread. Looks like I am due for a fluid change and will be going to visit Mike soon.

Call me and we'll set up an appt.

 

[c20elephant]

2016 GMC Sierra 1500 with 6.2 L86 Vette motor. Trans is the 8L90 E. My new toy.

Pictures.....:thumb:

 

[Mike L.]

Pictures.....:thumb:

I'll post them tomorrow.

 

[WVRigrat05]

Ok.... talk about time flying.
So I serviced my trans yesterday, 45k miles... I know I know too long but getting work done around the house and working two weeks at a time limited.

 

[WVRigrat05]

Another pic

 

[WVRigrat05]

It's not uploading my pics.

 

[WVRigrat05]

I put new Allison filters on and 12 qts of valvoline dex 3. It seems to be shifting a lot better but I only drove it 6 miles.

 

[SoCalMike]

When I had Mike L change the fluid in the trans a couple months ago, I noticed the same thing. Truck shifted better and smoother. Had about 38k on the fluid.

 

[BoiseRob]

I use Schaeffer's 204SAT Alltrans which now is a full synthetic fluid instead of a syn-blend.

 

[WVRigrat05]

I did another drain and fill last night, fluid was still a little dark, converter must hold more than I thought, but that's 24 qts total ran through it. I'll def service it at 25k next time.

 

[Digmax]

Hah mines a 14 model with 136,000 on it and on original fluid and filter... also put 265,000 on a lb7 and never changed the trans fluid or spin on call me crazy but have never had one fail yet

 

[WVRigrat05]

Yeah. I drive a little too hard for that, and not servicing a 4500 dollar trans I didn't want to buy in the first place seems pretty dumb to me. I never serviced my LLY til it was built either but it coming out was inevitable.

 

[Awenta]

Yeah. I drive a little too hard for that, and not servicing a 4500 dollar trans I didn't want to buy in the first place seems pretty dumb to me. I never serviced my LLY til it was built either but it coming out was inevitable.

Yeah built trans maintenance is completely different than on a stock truck.


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[WVRigrat05]

Yeah built trans maintenance is completely different than on a stock truck.


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People don't realize that stock clutches don't shed on a stock power truck so the trans unless abused stays cleaner, although the fluid still breaks down.

Aftermarket clutches shed and restricts the filter and can ruin it if not changed routinely

 

[Digmax]

I agree 100% if I built mine would definitely take care of it