Question about Jeep Cherokee

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Gear problem I have a an old jeep cherokee and after some electrical and changing of fuses etc. the drive work did properly. The gear seems to be slipping and the revs go high without much motion. Can you help

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  • joemack2000 Apr 14, 2009

    Auto Gear Problem

    The vehicle is a K reg auto 4 litre High Output, old shape, and the problem is as follows. There are several drive settings, 4 x 4 drive etc. which is selected by a level slightly lower down from the main gear shift. when the vehicle is in normal 2 wheel drive, it just slips and takes off with low power and high revs. If on the other hand the gear is set to 4 wheel drive, the power is there. Also, if the vehicle is back in normal 2 wheel drive, reverse and high gear ratio 2 & 3,setting works O.K.

    I thought It might have something to do with the electrics

  • Richard Scordino May 11, 2010

    OK, your problem description is not very easy to understand, but if the transmission is a stickshift, you likely need a new clutch. If it's an automatic, unit has internal problems or is very low on fluid (which will cause internal failure if it has not already)
    I suggest that next time you post a problem give vehicle year and information about what is wrong that can aid whoever attempts to answer. (engine size, year, transmission type are all very important items) Try to remember, only you can see your vehicle and know these things!!!



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OK, slipping is an internal transmission problem. If the vehicle has not been on the road for a long time, I suggest that you at least change the trans fluid. Depending upon what year the vehicle was made, electronics play some part in trans operation (later years more so than earlier ones) but from what I understand from your post, it seems more likely that internal transmission clutches are not getting adequate apply pressure, and are therefore slipping. Using lower transfer case gears puts less load on the transmission therefore making it easier to get the vehicle moving, but the slipping is likely still there.If when you remove the trans pan you find a large amount of debris in there (either metal or clutch material), or any gummy residue this will verify that the problem is inside the unit. On some transmissions you can change pressure, but in most cases this does little or nothing to help the problem.

Posted on Apr 14, 2009


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While driving my jeep seems to be shifting gears the rpms rev up and then goes back down almost as if surging I changed speed sensor as a guess so far but did not work?

old 1995
we need vastly more symptoms then that,sorry
if the engine surges, that is first. (surges in 1 gear)
but if a transmission down shifts that is normal, rpm rises
(after all its a lower gear) (higher numeric ratio)
find any machanic in town
ask him test drive it.!
10 min.later he wilt tell you
its trans issues.
or its engine, super easy this is driving.

seems you can not, and learning is 1hour in car class..or 10x that lacking facts of drive train functions.

stop guessing. why spend cash on a useless sensor now.
spend cash on $1 shop diagnosis and WIN.
i promise !

or get it scanned.
and post all those DTC errors. P0700? and more.

Jan 24, 2016 | 1995 Jeep Grand Cherokee

1 Answer

2004 jeep grand cherokee engine management light on gear box won;t change up or down . had this problem a few times; just used to stop the car turn engine off @ back on car would drive ok, after a mile...

I had a similar issue on a grand cherokee '98 4.0L, and it was because the gearbox was overheating due to old oil and the fact that is was low on oil. Change gearbox oil and the filter inside the gearbox checked the two band tension and adjusted them and all was ok. the oil should be red or a dark pink. It would point more to this being the poblem if when it does change gear, the gear changes seam slow or slugish or change happens at higher engine revs. You may be able to get a fault code from ecu, by turning ign. to acc then on then off then on then off then on then off then off hen on again (code is displayed instead of odomitor reading as PXXXX or POXXXX). This could point you i one or more directions if oil seem to be correct.

Apr 16, 2010 | 2001 Jeep Grand Cherokee

1 Answer


If engine sounds okay, (when you accelerate, it revs up, etc.) then could be a transmission problem. (assume this is an automatic?)

Check fluid level first, if okay, next suggestion would be to change fluid & filter.

When you select a gear, do you get anything, any slight jolt to the vehicle?

If nothing at all, also might check the transmission lever linkage.

Is this 4WD or 2WD? If 4WD, also need to check transfer case setting, make sure it is properly set.

Aug 19, 2009 | 2005 Jeep Grand Cherokee

1 Answer

I have a problem with my gear box i have a jeep grand cherokee

Your transmission apparently is not downshifting properly. From your description, it sounds as though it is in 2nd or 3rd gear, which is why it is slow to accelerate. When you shift into 1st, it is starting off in 1st gear as it should. You probably should have a transmission shop check it out. Check engine light on?

Apr 20, 2009 | 1996 Jeep Grand Cherokee

1 Answer

2000 jeep grand cherokee laredo hesitates in 2nd gear when cold

Is it manual or auto trans? If manual the gear lube is thicker when cold and the syncronizers tend to stick and not slide free for grind free shifting or for locking into gear.
If Auto trans if the jeep is warmed up setting then cycle the gears before driving. If that helps then the fluid is not getting through the valve body properly. It could be metal in the body or filter or cold seals are letting fluid by til the seals warm, expand and hold pressure. I'm assuming trans fluid is good, not old. One item that can lead to poor cold shift in an auto trans is a bad torque convertor. Since it seems to be a second gear issue the second section of the trans could have a bad seal. In an auto trans I'd take to a shop and have a cold pressure test done. They will tell which one is the problem.

Mar 20, 2009 | 2000 Jeep Grand Cherokee

1 Answer

1993 Jeep Grand Cherokee

Check fluid to make sure it's full. Did you check to make sure that when you move the shifter, the transmission shift lever on the case moves? Assuming it's an automatic, if fluid is full and linkage moves properly, has fluid been changed? If not, do it! (including filter) If when changing fluid, you find an excessive amount of fine metal or clutch material in pan, chances are the unit has worn out and needs rebuild, If everything inside is clean & good then finish with change and check results.If still having same problem it's likely internal or if electrically shifted, a shift module problem etc.

Mar 01, 2009 | 1993 Jeep Grand Cherokee

1 Answer

Jeep Grand Cherokee power outlet

this outlet is like the cig lighter outlet and could be just burnt out and need replacing they do screw out. Becarefully the inside is shape.

Feb 18, 2009 | 1999 Jeep Grand Cherokee

3 Answers

My 1989 Jeep with AW4 transmission does not downshift or ?

This model has a tranny computor under the dash on the right side screwed to the bottom of the dash. If I remember correctly, there is also an inline fuse attached to the harness. Check the fuse.

Feb 12, 2009 | 1989 Jeep Cherokee

1 Answer

Transmission problem

Hi renjay, is your jeep trans an AW-4 or a 46RH? The simple things to check here without getting to the internals are as follows; check your oil level,filter etc. check the throttle linkage adjustment,check the trans shift adjustment also have the TCM tested, the TCM (transmission control module) used with the AW-4 has a self diagnostic program compatible with the DRB II scan tool.The tester will identify faults in the electrical control system it will help determine if the problem is electrical or mechanical, after this it tends to become internal and we can adress that issue if it arises,hope this helps,good luck and let me know how you make out or drop me a line if you have any questions,take care

Oct 17, 2008 | 1994 Jeep Grand Cherokee

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