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2000 Jeep Grand Cherokee transmission no forward or reverse gears will engage when shifter is moved

We have a 2000 Jeep Grand Cherokee with 155,000 miles on it. The engine light came on, we checked the problem code which showed P0700. The symptoms we were having are no first gear, no overdrive, no speedometer, MPG dropped to 7 and the engine stalling whenever you slow down or stop. The engine stalling was only occurring once the engine reached temp. The only way to prevent the stalling was to drive with both feet not letting the RPMs drop below 1,100. My husband replaced both the input and output transmission speed sensors and replaced the transmission oil and filter with the appropriate Mopar transmission fluid. While he was under the car he removed the bolts holding the transmission valve body assembly and tried to pull the plate down. The plate appeared to be still held in place by something and would not move very far. He pushed the plate back up and replaced the bolts. Now, the car starts but when you move the shifter the linkage moves but none of the gears will engage. Any suggestions?

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  • Cars & Trucks Master
  • 2,101 Answers

He moved a shift sensor and they are very touchy . I am sending a picture ask him if can tell me what he touched please thank you. I am a self employed mechanic and will send you the link to my pagehttps://www.facebook.com/TedsRepairs 2000 Jeep Grand Cherokee transmission no forward o - 11_5_2012_11_15_40_pm.png

Posted on Nov 05, 2012

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: auto transmission will not engage in DRIVE gear when starting.

IT IS THE STRAINER INSIDE THE PAN IN THE TRANSMISSION,WHEN ITS COOL THE FLUID IS TO THICK TO TRAVEL AND GRITTY TO GO THROUGH THE STRAINER SCREEN,BUT WHEN THE TRANNY WARMS THE FLUID ITS THEN ABLE TO FLOW THROUGH THE SCREEN AND SHIFT PROPERLY.

Posted on Feb 06, 2009

  • 5520 Answers

SOURCE: transmission

Check your rear emergency brakes. A brake shoe pin could have broke and the shoe locks up in 1 direction. but not the other. The other problem you mentioned could happen, but if it is in reverse the trans shifted.

Posted on Jun 13, 2009

  • 538 Answers

SOURCE: 1966 Falcon with C4 Transmission I changed out fluid and filter

Generally, what causes C-4's and C-6's to be slugish going into gear, is the seals on the servo pistons are getting hard. The servo pistons are what apply pressure on the clutch packs, when the seals get hard the oil can blow past the piston and the clutch won't engage. It's worse when the the trany is cold and usualy gets better as the oil gets warm. You could try some transmission conditioner, the cheep stuff works as good as the high dollar stuff. Don't rev the engine to try to get it to go into gear, the clutch is trying to engage and you will burn the clutch up pack. If the clutches were replaced 3k miles ago why didn't they put seals in it at the same time?

Posted on Nov 24, 2009

  • 1 Answer

SOURCE: 93 Jeep Grand Cherokee only revs when put in gear.

Making a clanking noise as i drive , like the chain in the transfer case. and there is a 1"x5" hole in the bottom, is it supose to be there/

Posted on Feb 28, 2010

kirkx
  • 2019 Answers

SOURCE: 2001 Chrysler Town & Country

P0700 Internal TCM
P0732 Gear Ratio Error in 2nd
P0733 Gear Ratio Error in 3rd
P1782 2-4 Pressure Switch Sense Circuit
P1784 L-R Pressure Switch Sense Circuit
P1787 OD Hydraulic Pressure Switch Circuit

http://www.dodgetalk.com/forums/showthread.php?t=177119

But I am afraid I can't tell you want all these codes mean for your car. It was probably not related to the change in fluid that was performed. However, it is serious and should not be driven until fixed. Risk of total destruction of the transmission is too great. I would assume the symptoms are so diverse that it may be a bad transmission control module. Which is about $200, and fairly easy to replace:
http://www.autocomputerexchange.com/Product/731
But there are other possibilities, such as a bad relief valve could be letting main pressure drop too low.
This is the type of thing which does require an expert and can't easily be done remotely.

Posted on Sep 09, 2010

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No reverse gear


Loss of reverse is a blatant signal that the transmission has failed and needs to be rebuilt.

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Put the vehicle in Park, disconnect the shifter from the shift lever on the trans, adjust the linkage or cable so the connection is clearly a slip in/on connection and tighten things back up. Hopefully this will solve your non-reverse. As for all the gunk and metal shavings, friend, you better have another tranny standing by in your garage when this one stops working completely.

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When i put the transmission on R the veichle didnt move


This is either shifter,manual shift valve , reverse gear, idler gear.or somerthing blocking theflow of ATF in the reverse circuitry.Basically take the vehicle to aCertified Transmission Shop. The diagnosis and repair could be beyond a DIYer.

Mar 15, 2010 | 1994 Jeep Grand Cherokee

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How to shift into 4 LO in 2004 jeep grand cherokee


The correct procedure should be described in detail in your owner/operation manual.
For a 2004, 90 % sure that if it's a quadra trac you have to immobilize the vehicule, put your transmission shifter to neutral keeping foot on the brake obviously, engage the low on transfer case pulling the transfer case shifter, engage the transmission to drive
If it's a select track, normally you have to keep the vehicule moving very slowly (2 mph), move the transmission shifter to neutral, push the transfer case shifter to the right and pull it firmly. Once transfer case engaged, put back the transmission shifter to drive.
It could take few seconds to engage and disengage depending on the temperature and road condition. Do not try it on dry surface (preferable on mud, snow and wet surface). Drive at low speed because you will feel that it's very low geared.
By the way, follow the reverse process to reestablish normal mode

Hope it will help
Dan

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Once in Drive, Jeep does not easily shift back to Park


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Jul 28, 2009 | 1995 Jeep Grand Cherokee

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The jeep always acts like its in gear it will move forward in nutral and will not go in reverse


They locking nut has come loose on the shift control arm on the side of the transmission, you need to put it in park and adjust it so the arm is all the way forward and the shift lever is all the way into the Park position, this should get rid of the car moving when the shifter lever is not in reverse.

Jul 19, 2009 | 1995 Jeep Grand Cherokee

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Check your rear emergency brakes. A brake shoe pin could have broke and the shoe locks up in 1 direction. but not the other. The other problem you mentioned could happen, but if it is in reverse the trans shifted.

Jun 13, 2009 | 1997 Jeep Grand Cherokee

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