My 1994 Trooper 3.2 with Gm automatic transmission has the lockup clutch. As I understand it, the clutch is controlled by pressure from the transmission creating a signal to the computer and then to the clutch to engage or disengage. My Trooper seems to be unstable and seems to engage and disengage very often between 50 and 55 mph. Is there any way to make this feature more stable, like an adjustment or (perish the thought), a heavier or lighter fluid or additive? (I am not knowledgeable enough to even think of having the computer reprogrammed.) This is really annoying for it to be switching back and forth so easily in this speed range since the state speed limit here is 50 on secondary roads and I can't get it up to 60 and drive at that speed or I'd need an 'in vehicle file cabinet' to hold the speeding tickets.
- posted
20 years ago