Quote:
Originally Posted by 400Eric
Could a defective Klima relay prevent an otherwise healthy trans from shifting into fourth gear and delay up-shifts in the other gears? If I could get to the bottom of this tranny's funky behavior I might not need to swap in another trans. I'm studying other threads on this topic as we speak and I'm trying different things. TBH, this trans seems too healthy and strong to be replaced. It's as if something (like a defective relay or kickdown switch is telling it: "don't shift yet".
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No, the relay is a power supply to the KD circuit; a fault in the relay that cut off power to the KD circuit would result in
early WOT shifts.
A fault in the KD switch, or in the "B" switch in the gear selector, that caused the KD solenoid to be energized, would result in late shifts.