I have a 98 Jeep Grand Cherokee 5. 9 Limited. Has the 5. 9L engine and the original tranny (the FSM says its a 46RE).
I am having a problem with the jeep slipping in 2nd gear.
I read some posts suggesting I check the fluid level and adjust the throttle valve cable. So I've done all that. I have adjusted the TV cable per the FSM, and verified the throttle lever and the TV lever at the tranny move at the same time with no slop. . . hmmm. . .
I drained the fluid last month, and put in a new filter and Royal Purple MAX ATF synthetic. It has just at 140,000 miles. Fluid is not leaking, and looks clear and no foam.
History: when I bought the Jeep back in October, I found it very low on fluid, it had a leak on the cooler supply hose at the fitting at the radiator, so when I repaired the hose, thats when I decided to change out the fluid. I would guess with that leak, it was allowed to go low on fluid more than once by its previous owner. . .
Turn off overdrive, and put it in 2nd.
Take off at normal leisurely pace, it tries to go into 2nd gear. I think it is in 2nd gear, because if I put the lever back in 1, it downshifts normally.
If I stop, put it in drive, and take off, it seems to start in 1, tries to go in 2 although its slipping, if I hit the throttle while its in 2 the rpms go high, like its almost in neutral (although not totally in neutral because it does accellerate slightly), then it hits third. If I put the lever in 2, it is like it goes into neutral, so I let the vehichle coast down to a a reasonable speed and put it in 1 and it downshifts.
I've tried adjusting the front band. If i back off the nut with a 3/4" socket, turn in the adjuster till its handy tight, then tighten the nut down without backing out the adjuster I get a more solid 1-2 shift, but still slips. If I back off the nut and tighten to spec, then back off the adjuster 1. 5 turns it behaves like before, If I adjust it for 2-7/8 turns off, I have absolutely no shift to 2nd (i. e. no accelleration when I apply throttle in 2nd).
Is there any point in pulling the pan and throttle body and looking? Any hope I'll find something fixable?