antdes45 wrote:c2cummin, has the replacement ECU fixed the problem?
Sounds like a good plan as well! How often do you do this?cptnsolo77 wrote:When I do my drain & refill, I do it 3 times ( a week apart ) to exchange all the fluid. Just did it last month. Shifts great at 184K
Yes I am using the Toyota coolant. I couldn't believe the manual actually said to use the GM garbage. A GM dealer tried telling me it was dexcrud in it for sure.trb wrote:Are you using Toyota coolant? Hopefully not the Dexcool garbage.
Thanks!cptnsolo77 wrote:I have done 2 drain & refills so far and zero problems with 143K on the odo. You will be fine !