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02 grand Cherokee 4.7 545ref tranny 247transfer case if transfer case is bad would it make it seem like the tranny was bad I have no gears tranny rebuilt 8 months ago, it will try to go if u rev throttle only when cold or is it the tranny internal pump

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2 Answers

You will have to have the transmission issues diagnosed

I would not think your question is directly the main issue, as
far a the transfer case goes,but it still can have mechanical
& electrical problems

If you have been using it like that & most people do, then
having been a trans shop owner, you could very well have
ruined yet another unit,way I don't know

I would guess the trans was possibly not updated or built
properly & I have seen them fail in 8 months

Sometimes you find a mistake or problem & in most cases
they are as clean inside as the day you rebuilt it

Today most issues are electronic & good luck there finding
a tech who knows the complete powertrain

You can not just start at the trans or transfer case

You have to diagnose every module in the vehicle
& all systems & fix as you go,even if is just trans related

The cold can effect the valve body until warmed up

Could be it was never taken apart or cleaned

Could be as you said, the shop didn't know how
to take the pump apart or even check for updates
to valves in there that score the pump

Posted on Nov 25, 2014

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  • Cars & Trucks Master
  • 755 Answers

Do u have trans fluid in it , if it is full it would workif good , and are you in neutrual on the transfer case , put it in high 2 or what ever make it for normal driving and make sure you are in drive mode or try it in another position if not your trans is bad, you did not get any warning , usally you would ,

Posted on Nov 25, 2014

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Posted on Jan 02, 2017

  • 393 Answers

SOURCE: 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

Posted on Mar 03, 2009

  • 6982 Answers

SOURCE: 1997 Jeep Grand Cherokee transmission or transfer case

As I said, trans fluid keeps the internal components "alive"... Low fluid level can cause burning of internal clutches, premature hardening of seals (essential to proper transmission of fluid pressure) as well as lubrication of necessary gear components such as planetary gear set (which can cause whine etc. which you now have) All of these components rely upon a constant flow of fluid for both cooling and lubrication. Depending upon how low and how long these parts had interrupted fluid flow, directly influences how much damage was done. I take no joy in telling you that you may have damaged your unit, I'd be far happier if I could give you a quick, inexpensive fix. But based upon what you have said, If I was working hands-on with this problem, I would make the recommendation I've already made. There are pressure tests etc that can be done at a transmission shop to verify to some degree of certainty what is going on within your unit. Hopefully they may find something other than what I've said. At this point though, it is wise to have it checked out by a professional, before you become stranded at a time when you can least afford to be.

Posted on Apr 13, 2009

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