I have a 2001 GC 45RFE transmission with the 4.7 V8. Had a trans flush in January at the Jeep dealer. Up to March the fluid was ok per Jeep when it was in for other repairs, honestly I didn't check because it never showed any indications of leaking. Beginning of June we headed out of town pulling a small trailer. Half hour out the trans temp light comes on and check engine light. Putting it in neutral and running it turned off the trans temp light but it came on again. We headed home to swap out the truck for my wifes GC and we continued on to NC from FL without the trailer. Upon return I took the truck to Jeep and they said it was 3 quarts low of fluid. Somehow I LOST, 3 quarts of fluid in a couple months without any dripping from the pan or spraying back behind the tailshaft. Hmmm . . . . They cleared the codes, pulled the LEAKING pan, replaced both filters and reinstalled the pan. Everything was fine for awhile. Then the tranny started acting up again, not shifting right and the fan would come on at a light like it was hot. No temp light but it threw a couple codes relating to front pump pressure I was told. Jeep wanted almost 4k for a MOPAR tranny, 3 year 80k warranty. A local tranny shop put one in (MOPAR, same tranny) for 1k less. 2nd day of driving when it was put in gear when cold the tranny would slip like crazy for about
30 seconds untill I assume pressure built up and the torque converter engaged properly. Once warm it shifted OK but honestly my old tranny with its issues shifted quieter & smoother.Question:
1) Would driving it 3 quarts low cause a problem with the "Front Pump"? 2) What would cause the NEW tranny to slip so much when first engaged? I can rev the engine with the tranny engaged (drive or reverse) and its like slipping a clutch on a stick shift without the truck hardly moving. This only lasts like I said about 20-30 seconds.Frustrated!
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