1993 Jeep Grand Cherokee with 46RH?
Hello! I have 1993 Jeep Grand Cherokee v8 5.2L with 46RH transmission it sometimes won't shift to overdrive till i increase speed more than 60mph. After first 3-4 shifting transmission work perfectly and shifting on 40 mph till I switch the engine off for 10-30 minute. I checked oil level, temperature sensor, solenoids and PCM by DRB tool.
PS. I'm sure that my car's transmission have a mechanical fault. The 3-4 shifting not depended on cooling temperature. This problem was not appeared three years ago and started to happens time to time.
My throttle pressure cable is OK. I don't like to use trans supplement. I think the problem is on valve body and I'm going to repair one. But i need to know which valve I have to check and which kit i need for replacement. Must I take off transmission for this?
I would be more inclined to think is a overdrive solenoid/wiring issue.
Or a overdrive piston/clutch/seal problem, or low hydraulic pressure.
You don't need to pull the trans for valve body removal, but guaranteed if your asking here you can't handle it.
Like mentioned before, try a bottle of Lucas or get it to a pro. Realistically those are your real options. Good luck~Dan
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