OllieChristopher
Well-Known Member
- First Name
- Chris
- Joined
- Aug 19, 2021
- Threads
- 7
- Messages
- 721
- Reaction score
- 902
- Location
- Southern CA
- Vehicle(s)
- 2005 GMC 2WD Sierra, 4.3, NV3500, 3:73/TruTrac
Not good to wait that long. Annually or biannually I do transmission, brake fluid, diff, power steering, coolant, etc.There is no maintenance schedule for the transmission fluid or filter. It is considered "lifetime" (will do at 150K).
If you wait until 150,000 miles you are asking for trouble.
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