Auto-trak II fluid

[07 classic sierra]

what is the same is this part number GM part no. canada 10953626 fluid

we have no gm dealer in town so looking for equivalent fluid, owners manual says 2 quarts

LM7 5.3L
NP8 Autotrac-Automatic 4WD
M30 4 spd auto/trans w/overdrive 4L60E

GMT 800 truck crewcab 4x4
2007

had my truck on hoist to look for noise in front drivers wheel area
found vibration somewhere in mid section of truck on auto 4wd and 4x4 high
no vibration on 2 wheel drive

any help would be great thanks
John Munick

oh yeah were is my Z-85 decals do they sell them?

 

[Z15]

No one makes an equivalent fluid. It's primarily to do with quite high revalidation costs for what is a relatively low volume product.