Have a THM 400 (Summit) and it has less than 1000 miles on it. It has now started slipping bad in 3rd gear - especially at WOT
1. vacuum modulator good, not leaking and receiving vacuum from back of intake
2. kickdown wired correctly 12v @ WOT
3. trans fluid good, clean and full
4. ??????
1. vacuum modulator good, not leaking and receiving vacuum from back of intake
2. kickdown wired correctly 12v @ WOT
3. trans fluid good, clean and full
4. ??????