Question about 1995 Jeep Grand Cherokee

2 Answers

1996 Jeep Grand Cherokee 6cyl 42RE transmission. When cold shifts late/never to 3rd. Just changed the tranny fluid, filter and adjusted both bands to 72 in pds minus 4 (lo) and 2 1/2 (hi) turns. In another question you mention the Govenor and Valve Body and that the ECM controls shifts to high (difference of in/out oil temp...). Any suggestions?

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  • robertmadeir Sep 29, 2010

    The solenoid that shifts up to 3rd gear is located on the transmission? The solenoid controls a valve that shifts the gear?

  • robertmadeir Sep 29, 2010

    I will check the solenoid as recommended, but wonder why it would be temperature dependant. On a warm day or after the tranny is nicely warm, it will shift up to third, but not if the ambient temp is < 80 or engine has run about 15 miles.

  • robertmadeir Sep 29, 2010

    Thanks alot, I'll these and the previous suggestions.

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  • Jeep Master
  • 17,970 Answers

Clutchs in tranny are going bad, buy a new or remanufactured tranny to put in it, it is better than haveing it rebuilt It could also be the spring on the Throttle Valve being broken or installed in corectly. It is mounted on the side of trans. Follow the cable from Throttle Body to Transmission the spring should pull on the lever away from throttle body, or, the cable is not adjusted properly. Look for adjustments for the TV (Throttle Valve) cable.

Hope helps.

Posted on Sep 29, 2010

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  • Master
  • 11,896 Answers

Check the solenoid. Also check the valve body. Shops have big machines that will test the valve body.
Two ways I can think of to test the solenoid.
1) Find a wiring diagram (best way to do it - since it also checks for wiring faults.) Isolate the power and ground leads for the soenoid you're testing. NB: The solenoids may have a "common ground" (several solenoids, one ground return. Solenoids are switched "on" by the TCU/SMEC.) Apply +12VDC to the leads, and listen for the "click" of the solenoid kicking closed. You may need to remove the sump and put your finger on the solenoid case to feel it - some of them are rather quiet.

2) Find a wiring diagram, isolate the leads, et al as above. Find the resistance spec of the solenoids (I don't know it offhand.) It's going to be a range - add an ohm or so for the wiring and connexions between the harness plug and the solenoid proper, and test resistance.

If you don't get a useful result using either method when you damned well should, track the wiring down to the next connector and try again. Bear in mind that not all "parts failures" are actual parts failures - it's amazing how many times I've fixed a wiring fault when someone else has thrown parts at the thing. Always check for a wiring fault as part of your initial troubleshooting!

Don't forget to check for ground faults as well. It's amazing how many automoive electrical problems.

Posted on Sep 29, 2010

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1 Answer

Transmission 42re


Sell it quick and buy a newer vehicle this is a gearbox rebuild by the sound of it

Dec 20, 2013 | 1996 Jeep Grand Cherokee

1 Answer

1994 jeep 42re transmission shifting problem


wow you know it's a 42RE
shocking here, to see that.
42RE has TCM, the only question is how to scan it and find it.
during the late 90s it was moved inside the ECU and became a PCM.
no need to post 23 years of normal service parts.
focus on 42RE, only it. please,
my guess is , not scanning the TCM blinds you to whats UP.>
read the real SM yet> on topic, chapter 21?
click ZJ and read.
ever seen topic , transmission in limphome mode (jeep limp-in)
this mode skips gears. (due to inputs to TCM wrong or other causes)
this box has an electronic governor.
it also does 4>3 downs shifts and TCC lockup on overheats.260f
lots of things it CAN do.
below 50F the TCC is disabled, to warm it up faster.
what does the OD lamp do.?
the lamp tells you when OD 4th gear is disabled, now in 3rd.
there are 2 speed sensor , one is a backup to main.
chapter 21 all this is clearly stated.
The PCM runs the trans, totally no separate TCM
says you need a DRB tool to scan this TCM section...
(my guess why you have no scans, and work blind,)


says there is a kickdown valve, so is the cable jammed full on
stuck in passing gear endlessly?

do not overfill the box. read how.
as some do , in a panic to get it to work , based on more is better.
its not. it foams up and DOOM sets in.fast.

wish we had more symptoms.?
goes to 3rd gear after a short distance
does that mean is starts in 3rd gear stopped?
in DRIVE or LOW? and does REverse work, at all times?
1 range and 2 range ? work? at all times? (lever names)
chapter 21, page 12 table. see that?
elaborate all Tranny issues, hot /cold engine, and all modes of travel and direction, good and bad, (both matter @!!!!) called a shop test drive and gathering all evidence , and the 0D lamps actions.







here is the step your shop skipped. step 1.
what if the PCM (tcm brain) says
sensor, bad, TCM, VSS, or other errors, most do,
it is the not looking first, that is the problem.
why replace a tranny for one bad wire, ???? that was clearly reported to you, if you only looked, (scans)


drb-tmsiu2m2gbqj4p32vnuvvaj4-4-0.jpg I hope scans , are a REVELATION.

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1 Answer

1994 jeep 42re transmission shifting problem


I'm having a problem with my tranny not wanting to shift automatically at all. Seems like a dead stop its stuck in low gear. Have to manually shift and does not go into overdrive. I have a 1993 Jeep Grand Cherokee. Can anyone help me cause I've swiched out throttle control sensor, filter change, new tranny cooler and heavy duty lines. I'm at a loss and scratching my head. Any advice would be greatly appreciated

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1 Answer

How do I adjust the bands on my 1993 Jeep Grand Cherokee Limited AW-4 transmission?


WHAT TYPE TRANSMISSION YOU WORKING ON AND WHAT BANDS ARE YOU ADJUSTING FRONT AND REAR YOUR TYPE VECHICLE HAS MANY TRANSMISSIONS 42RE , 42RH , 44RE , 46RH , 46RE, NEED TO KNOW WHAT TRANSMISSION BECAUSE EACH TRANSMISSION HAS 72 INCH LBS TO ADJUSTMENT ON BAND ADJUSTMENT SCREW BUT YOU WILL HAVE TO BACK OFF DIFFERENT TURNS ON EACH TRANSMISSION.

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1 Answer

Tranny slips when shifts from 2nd - 3rd when it's cold.


When is the last time you changed your Transmission Fluid? It is recommended you change it every 30,000 miles. If you check your fluid it should be a pinkish red clor, if it is brown, it is dirty. If it is brown and smells burnt it means you may have Transmission damage, burnt clutches, etc.Change your fluid and filter and see it it will work better.

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1 Answer

Jeep Grand Cherokee Transmission Problems Wont shift


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1 Answer

Jeep grand cherokee revs for to high before changing gear


Message:
My 2002 Dakota has been somewhat confused about shifting as well. It showed a code P1762. I dropped the pan to install a new fluid filter and fluid-(use only ATF+3 or ATF+4). Since the pan was off I decided to adjust the bands. The front band controls the 2nd gear cluster. The rear band controls the 3rd gear cluster and reverse. For a 2-3 shift, the transmission shifts back to 1st gear with the front band while the rear band engages 3rd gear. If the front band does not release the 2nd gear clutches before the third gear clutches engage, the transmission binds, which shortens the life of the transmission clutches. If the front band releases too early in the shift, the engine will overspeed (sounds and feels like a slip) during the 2-3 shift.
The front band adjusting screw is on the driver's side above the shift linkage. The rear band is inside the fluid pan near the filter.
1. Loosen band adjusting screw locknut. Then back locknut off 3-5 turns. Be sure adjusting screw turns freely in case. Apply lubricant to screw
threads if necessary. The front band adjuster is on the outside of the transmission and the locknut requires a 3/4" wrench.

2. Using Inch Pound Torque Wrench C-3380-A, a 3-in. extension and appropriate Torx� socket (T-40), tighten adjusting screw to 72 in-lb. CAUTION: If Adapter C-3705 (from SPX Miller) is needed to reach the adjusting screw, tighten the screw to only 47-50 in. lbs. torque.

3. Back off adjusting screw the number of turns listed below for your transmission.

4. Hold adjusting screw in place and tighten lock-nut to:

41 N�m (30 ft. lbs.) for the front band
34 N�m (25 ft. lbs.) for the rear band
The adjustment screw inside the case is a square head bolt. You will need a 1/4 square head socket to fit your torque wrench.
Band adjustments for each model year:
1994

* Front Band - tighten to 72 in-lb, back off 2-1/2 turns (all transmissions)
* Rear Band
o 32/42RH - Tighten to 72 in-LB, back off 4 turns
o 36/37/46/47RH - Tighten to 72 in-lb, back off 2 turns

1995-1996

* Front Band
o 42RH - tighten to 72 in-lb, back off 2-1/4 turns
o 46RH - tighten to 72 in-lb, back off 2-7/8 turns
o 47RH - tighten to 72 in-lb, back off 1-7/8 turns
* Rear Band
o 42RE/RH - tighten to 72 in-lb, back off 4 turns
o 46RE/RH - tighten to 72 in-lb, back off 2 turns
o 47RE/RH - tighten to 72 in-lb, back off 3 turns

1997-1998

* Front Band
o 42RE - tighten to 72 in-lb, back off 3-5/8 turns
o 46RE - tighten to 72 in-lb, back off 2-7/8 turns
o 47RE - tighten to 72 in-lb, back off 1-7/8 turns
* Rear Band
o 42RE - tighten to 72 in-lb, back off 4 turns
o 46RE - tighten to 72 in-lb, back off 2 turns
o 47RE - tighten to 72 in-lb, back off 3 turns

1999

* Front Band
o 42RE - tighten to 72 in-lb, back off 3 turns. (TSB 21-16-98)
o 47RE - tighten band adj. screw to 72 inch pounds, back off 1 7/8 turns
* Rear Band
o 47RE - tighten band adj. screw to 72 inch pounds, back off 3 turns
+ The 47RH rear band requires a 1/4" hex driver, the front band requires a
T-30 Torx driver, the filter is held in place by two screws which require a T-20 Torx drive

2000-2002

* Front Band
o 42RE - Tighten band adj. screw to 72 in-lb, back off 3 turns
o 44RE - Tighten band adj. screw to 72 in-lb, back off 1 7/8 turns
o 46RE - Tighten band adj. screw to 72 in-lb, back off 2 7/8 turns
o 47RE - Tighten band adj. screw to 72 in-lb, back off 1 7/8 turns
From Bill Konolday's 47RE notes: I usually go a little looser than factory
specs on this front band - backing off the adjustment screw 2 or 2 1/4 turns.
Depending on the circumstances I have backed off the band up to 2 1/2 turns.
* Rear Band
o 42RE - tighten band adj. screw to 72 inch pounds, back off 4 turns
o 44RE - tighten band adj. screw to 72 inch pounds, back off 4 turns
o 46RE - tighten band adj. screw to 72 inch pounds, back off 2 turns
o 47RE - tighten band adj. screw to 72 inch pounds, back off 3 turns

2003

* Front Band
o 48RE - tighten band adj. screw to 72 inch pounds, back off 1-3/4 turns
* Rear Band
o 48RE - tighten band adj. screw to 72 inch pounds, back off 3 turns

2005

* Front Band
o 48RE - tighten band adj. screw to 72 inch pounds,
back off front band adjusting screw 1-3/4 turns for diesel vehicles,
or 1-1/2 turns, for V-10 vehicles.
* Rear Band
o 48RE - tighten band adj. screw to 72 inch pounds, back off 3 turns

94+ Automatic Transmission Bolt and Nut Torque Specs

* Front band adjustment locknut - 30 ft-lb
* Rear band adjustment locknut - 25 ft-lb
* Transmission pan bolts - 13 ft-lb
I just replaced the solenoid with the recommended transducer and all is fine now. The transducer cost me about $50 at a nearby dealership.
Hope this helps. -zman. rroszman@yahoo.com

Dec 09, 2008 | 2001 Jeep Grand Cherokee

3 Answers

Transmission wont shift


check the kickdown/throttle valve cable. It may be bound up and stuck in the maximum position giving you extremely late shifts.

There ISN"T any modulators or vac lines on any Chrysler automatics

Nov 08, 2008 | 1993 Jeep Grand Cherokee

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