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Hi All I have a 98 XJ, recently it has started to shift hard up through the gears on initial start up when cold. Once the vehicle heats up then the shifting becomes normal again. I have checked the transmission oil and it is at the correct level with engine running in park, the oil is the...

Hi I have an intermittent problem. Sometimes my 98 XJ doesnt get the final drive gear, it goes into 3rd overdrive and not any higher. If you stop and start the car the problem usually resets itself and then I have all 4 forward gears and the "overdrive" like normal. There are no strange noises...

Steering play on 4.0L XJ 1998 Hi Would anyone one anyone know what the trailer towing package consists of on this vehicle. Where would they locate the additional gearbox cooler and how much would it adjust the oil temp. in the gearbox by? Thanks Mike

Throttle position sensor/vacuum pipes and performance Hi Is it fairly easy to adjust the play out of the steering on the XJ. Does something need to be replaced. Could someone perhaps provide a pic. on where I must adjust? Thanks Mike

Hi Mudderchuck suggested adjusting the TPS to 86-88% in a previous post on performance for 4.0L XJ's. Where can I locate the sensor(can someone provide a picture?) and how do I know that it has been adjusted to this %. Could someone please indicate where all the vacuum pipes are so that a can...

RE: sick people in the world Hi I own a 98 Cherokee 4.0L Auto After being stopped at a traffic light or stop street and turning left or right a get a wining noise from the rear( sounds like the diff area). This doesnt happen when driving straight only when turning from a stationary position...

Hi 98 XJ 4.0L Auto The above JEEP comes with the factory standard ABS setup. Under extreme decelaration, the rear drum set-up still locks up. There are no warning lights on and the ABS check light still does its bit when starting and then it goes off, after a couple of seconds. Any...

Query on a 98 XJ 4.0L Auto This query comes from South Africa. Daimler Chrysler SA dont supply the air conditioner internal components seperately. Where can I purchase a kit which replaces the air conditioners internal bearings/gaskets etc. even if it is from the origional manufacturers...

Hi I have a 98 Cherokee XJ 4.0L Auto. The normal factory thermostat is fitted kicking in at 195. Are there alternatives lowering the standard thermostat temperature, thus in theory allowing the vehicle to run cooler. Where would one purchase these thermostats and how cool can you go? Would it...

Hi I have a 98 4.0L Auto. I have had to replace the manifold recently with a wildcat system, due to the high replacement cost for the origional manifold from the agents. The new manifold is obviously less bulky due to the mild steel, and not as heavy as the standard cast iron unit. During...

Engine Hesitation after stoping Hi What is the recommended mileage between oil changes in the box including the filter? What oil is best suited for this box, will a standard non synthetic oil do the job? Thanks Mike

I have had 2 XJ 4.0L Jeeps one a 96 and the current a 98 Both vehicles have had the same problem leading me to believe that it could be a common problem? After driving the vehicles and stoping for a while, upon re-starting the vehicle and driving off, there is a huge drop off in power for...

Hi Does anyone know what sort of Mileage you can expect from a 4.0L XJ auto under normal running conditions with the correct servicing in place. How long should the motor and auto box last, all being well under these conditions? Mike(SA) :?

Hi Is it normal for a Cherokee 4.0L with auto box to feel extremely hot in off road situations where slow driving is required? The ambient temperature is normally around 30 degrees Centigrade. In this situation both the viscous fan and electrical fan are running permanently. The vehicle does...

Hi The hi-flow throttle body replacements for 4.0L XJ's. What is the traditional power increse gained from this conversion and is it noticeable when in 4th gear overdrive with the auto box configeration? Mike(SA) :D

Hi I have a 98 Cherokee(XJ). I recently fitted some load hog helper springs. This increased the lift on the rear to a large degree. If you look at the vehicle side on you can see the roof line sloping from back to front, as the rear is obviously allot higher. The result was more stability but...

97-PRESENT TJ FRONT CLIP Hi I have had 2 Jeep 4.0L auto Cherokee's. The first a 1996 and the second a 1998. Both vehicles have an annoying characteristic when coming to a stop. After stopping and the taking your foot off the brake to accelerate there is a loud "thunk" as if someting is...

Hi I own a 98 Cherokee Country(Box shape I think you call them the XJ) 4.0L 6Cylinder. Is there something that can be done to the rear suspension that will allow the vehicle to stay level as well as become more stable when loaded and towing. It is currently the standard leaf spring set-up with...

Gearbox Cooling Hi I own a 98 Cherokee 4.0L automatic(4 speed lock up overdrive). What can be done to these motors to increase their highway cruising ability. Often on steep hills in overdrive the engine revolutions are to low to maintain speed and gearing down is a necessity, at around 120Km...

Hi I have a 98 Cherokee Country 4.0L automatic. The car is running in hot conditions around 33 degrees centigrade. I was told that the cooling of the gearbox was via the radiator water, as it doesnt have a seperate gearbox oil cooler. I tow around 600Kg's regularly. Is the standard set-up...