Problems with 1999 Jeep Grand Cherokee ENGINE AND ENGINE COOLING

The car stalls randomly while driving this can happen in heavy traffic in the middle of the road or at a stop sign without warning. have seen several mechanics. when searching the problem, found 100's of other vehicle owners with the same complaint. enormous safety hazard for driver as well as other on road vehicles. *tr

While driving at 55 mph, the vehicle lost all power, gauges all dropped to zero. the steering wheel was tight to turn and the brakes hard to apply, had no acceleration while pushing gas pedal down. all lights and radio still was working after getting it off the road turned jeep off would not restart for 3 hours. this has happened numerous times mechanic can not diagnose the problem no codes come up. have already replaced battery alternator and crank sensor have no idea what is wrong, with three children i am scared to drive this it is unsafe. also having problems with heat they said heater coil is bad and all motor doors in dash is broke and dash would have to be taken apart to be fixed this is also affecting the a/c. there needs to be a recall as there has been plenty complaints already. this is a death trap waiting to happen. *tr

Tl* the contact owns a 1999 jeep grand cherokee 4x4. while driving 70 mph, the contact stated that the vehicle stalled and lost complete power. the dealer was not notified of the failure. the manufacturer was notified and updated the information in their system. a local mechanic attempted to repair the defect, but the failure recurred. the failure and current mileage was 171,000.

Tl* the contact owns a 1999 jeep grand cherokee. the contact was driving various speeds when the engine stalled with the illumination of the check engine warning light. the engine failed to restart and the vehicle was towed to an independent mechanic for diagnostics. the mechanic was unable to diagnose the vehicle and there were no repairs. the failure recurred at least ten times and eight of those times, the vehicle restarted. the vehicle was towed back to the independent mechanic where the contact was awaiting repairs. the manufacturer was not made aware of the problem. the approximate failure mileage was 150,000.

Tl* the contact owns a 1999 jeep grand cherokee. the contact stated that the blender that controlled the vehicle from running too hot or cold failed. the contact stated that the passenger side blower would expel cold air and the driver side blower would expel very little heat. the defroster was also inoperable. the dealer advised the contact that the entire dashboard and steering column would have to be removed in order to make the necessary repairs. the vehicle was not repaired. the vin was not available. the failure and current mileage was 160,000.

Tl*the contact owns a 1999 jeep grand cherokee laredo. while attempting to start the vehicle, the contact noticed that the vehicle would intermittently failed to start until five attempts were made. the vehicle also stalled at a stop sign without warning. the vehicle was taken to her local mechanic who stated that the failure could not be reproduced. the current and failure mileages were 151000.

Tl* the contact owns a 1999 jeep grand cherokee. the contact stated the oil pan exhibited random holes causing oil to leak out from the vehicle. the manufacturer ordered a newer oil pan for the contact but after 90 days, he still had not received it. the vin was unknown. the failure and current mileages were 130,000.

My 1999 jeep grand cherokee limited w/42,000 miles. yes . not a typo . 42,000, orignal owner & "scared to death" to drive this suv. i have alot of the already problems, that have been reported. had to pay many, w/my own cash. this suv schould have came in 1 color "lemon yellow". it is an accident watng to happen. the recent problem is now i have no a/c-heat or defroster. ths is due, to failure of the automatic temp control to work. i t started 1st by intermittently working, till now not working at all, this is just 1 more, to the list , of many other problems. i don't think that it is an coincidence that all my issue have happenned, almost exactly, in the order, of all the other complaints. i can't undestand how a company can get away w/this. this new problem can cost up to $2000, if it is, like previous reported problems, happens to be the "blend doors". as a handicapped driver i drive less than 4,000 miles a year. this is the only auto i drive, thus the many, many probs have yet to raise thier head. i have read almost all complaints(too many to read) this suv schould be a "total recall, i have never heard more complaints & problems, in my life, for any automobile. this suv schould be studied & reseached, on "how not to build an automobile. just read the many complaints here & on the internet. we are not making this stuff up. i don't know how they stayed in business as long as they did. we, the taxpayers, bailed them out. who is bailing out all the owners, of this "death-trap"? if that is not absurd enuff, many problems could have been repaired, by jeep & still can. what is the purpose, of nhsta, if not to intervene? you have all the complaints. hundreds of them. you have them posted, yet, we taxpayers/owners safety, has been at risk ever since this suv was driven out of the showroom. how did you not make a recall on the rotor/brakes issue which was reported at 3,000 miles? i am so frustrated. is braking problems not a safety issue? please, help us! *tr

I own a 1999 jeep grand cherokee laredo. it stalls all of the sudden while i'm driving it. there is no pattern to it- it will stall going 70 mph on the highway, driving in town at 25-35 mph, while turning a corner, while in the drive through-- it has happened in all those instances. it doesn't matter if it is hot or cold either. the engine just suddenly shuts off, but the lights, radio, etc. all stay on. it occurs during cold and hot weather, with electrical devices on or off, in park, neutral and drive. it is very random and very dangerous. once it stalls the steering gets very hard and the jeep has to be shut off and restarted. when this first started happening the jeep would always start again on the first try. now the jeep will always start when i first get in the car in the morning, but once it stalls out, it takes 20-50 minutes to restart. luckily, this problem has not caused an accident yet, but i am afraid to drive it. we have replaced the battery (8-2009) and the pcm was replaced a few years back. we have brought it into the repair shop to get it fixed, but they can't find anything wrong. they told me to bring it back when the problem is happening, by i don't know when it's going to happen so i can't. some weeks it will happen several times in a day, and then it will go days or weeks without doing it again. this problem puts us and the other motorists on the road in potential danger. i read on several websites that the 1998 jeep grand cherokees were recalled for this problem, and so were jeep commanders. hopefully, the 1999 will also be checked and possibly recalled. *tr

Tl*the contact owns a 1999 jeep grand cherokee. the contact was driving approximately 5 mph on normal conditions. the engine stalled without warning, and restarted. the vehicle was taken to an independent mechanic on three separate occasions with replacements of the crank shaft sensors. the technician was unable to locate the problem. the identical failures continued after the repairs were performed on the vehicle. the failures occurred whenever the vehicle was in operation and traveling between 5-20 mph. the vehicle had not been repaired at this time. the failure mileage 100,000. the vin was unavailable.

Engine with a serious knocking sound. though car was meticulously maintained, it still failed after 130000 miles. *tr

1999 jeep grand cherokee laredo has had numerous problems with the fan clutch assembly. symptoms include loud noises from the engine compartment from startup until a few miles are driven, almost like that of a loud airplane. vehicle has approximately 155,000 miles and has been one owner since new. fan clutch assembly has failed more than four times at this point, requiring the replacement of the fan clutch assembly on each failure. one repair was completed at a jeep dealership under the factory warranty; a second repair was made also at a jeep dealership outside the factory warranty at a cost of over $350.00. third and fourth replacements of the fan clutch were made using genuine new mopar/jeep parts, but not at a dealership location at a cost of just under $300.00. now the dealership has diagnosed this fault for a fifth time, with an estimated replacement cost of $350.00. it seems abnormal to have to replace the fan clutch assembly every 30,000 or so miles, and that the manufacturer of these units may have a faulty design. *tr

Tl*the contact owns a 1999 jeep grand cherokee. while driving between 30 and 50 mph, the vehicle shut off in the middle of the road without warning. the contact almost crashed at the time of the failure and lost control of the vehicle before pulling off to the shoulder. the vehicle would not restart immediately most times, but would start approximately three to four minutes later. the dealer could not determine the cause of the failure. the failure mileage was 135,000. updated 11/17/08 *cn the consumer believed the problem was electrical. updated 11/24/08. *jb

Blower motor burned out the plug on the blower motor resistor plug and now the resistor is blown. *tr

Tl*the contact owns a 1999 jeep grand cherokee. while driving at speeds of at least 45-55 mph, the vehicle would stall without warning. upon stalling, all interior lights and electrical elements of the vehicle would engage for 2-10 seconds. the vehicle was taken to the dealer where they could not duplicate the failure. there were no repairs made to the vehicle. there were no recalls on the vehicle pertaining to engine stalling. to date, the vehicle would continue to stall. the failure mileage was 60,000 and the current mileage was 130,000.

My daughter was driving her 1999 jeep grand cherokee down a twisty road at 40 mph, the car suddenly began to accelerate. she applied the brakes and the car would not stop or slow down. she tried to pull up on the gas pedal but the pedal would not release. she then turned the car off and managed to pull over to the side of the road. this happened one week after we had it at the dealership to replace the crank shaft and cam shaft position sensors because the car turned off on its own when she was driving it. we can no longer let her drive the vehicle as it is unsafe for her or anyone on the road. *tr

Tl*the contact owns a 1999 jeep grand cherokee. while driving 50 mph, the vehicle stalled without warning. the vehicle had to be placed into neutral first before it would restart. the dealer seemed to be unaware of the failure, but stated that it could be due to the filter. through online research, the contact discovered other consumers who were experiencing the same failure. the failure and current mileages were 125,000.

My air condition and heater do not blow air into the cabin. chrysler tells me that it is the blend doors. i was also told that this is very common with this vehicle. the estimate for repairs is $2,200. if it was something i did to the vehicle i could understand but i now have a 1999 jeep grand cherokee limited with all the bells and whistles and air or heat. *tr

Tl*the contact owns a 1999 jeep grand cherokee. while driving various speeds, the vehicle would completely shut down. there were no lights and no power steering when the vehicle shut off. there were no warning indicators prior to the failure. the failure also occurred several times while driving 75 mph. the contact had to wait 2-3 minutes before the vehicle would restart. she took the vehicle to the dealer a few times and they stated that the crank sensor was the cause of the failure. the dealer removed and replaced all the codes; however, the failure recurred three times afterwards. she returned to the dealer in april of 2008 and was informed they wouldhave to run more tests. the contact then traded in the vehicle for a newer model. the current mileage was 83,074 and failure mileage was 81,808. updated 07/15/08. *lj there was a noise coming from the steering when the consumer made left turns. the hatch shocks were replaced

Tl*the contact owns a 1999 jeep grand cherokee. while driving approximately 70 mph, the check engine light illuminated on the instrument control panel. the contact took his vehicle to the dealer and they stated that the catalytic converter and motor needed to be replaced. the manufacturer was notified. the current and failure mileages were 68,000.

The heater fan in my 1999 jeep grand cherokee stopped working and there was a burning smell in the car. mechanic found that the fan resistor (computer) and pigtail that connects to it were burned up. he checked with jeep and there are 3,000 of these items back ordered because this is a problem on many of these vehicles. its winter and 17 degrees in my car i could freeze with my family or my dashboard could catch on fire. *jb

Dt*: the contact stated the oil gauge failed to indicate the oil level; the front end vibrated badly at 50 mph, and the wheels shook and made a clicking sound while making a turn in either direction, which caused a vibration felt through the steering wheel. in addition, black smoke discharged from the tail pipe and the engine emitted a hesitation. when inspected by an independent mechanic, oil and gas were visible on the spark plugs. the service dealer and manufacturer were notified.*ak

My 1999 jeep grand cherokee began to stall in traffic without warning. as i approached a stop light or traffic ahead and as the motor would return to idle, it would stop running resulting in no power steering or power brakes. the last time i was able to wrestle the vehicle into a parking area where it wouldn't start. a friend completed a computer scan of the vehicle and it was throwing out a bad crank position sensor code. once the crank position sensor was replaced, the vehicle started and has since operated fine. this occurred with around 110,000 miles on the vehicle. *tr

Vehicles dies under any circumstances...speeding on the highway at 75 mph, idling at a stop sign, driving in town at 35 mph, hot weather, cold weather, rain, sun and snow. it sometimes starts right up again, sometimes takes an hour - occasionally 5-10 hours before it will restart. instrument panel simply goes dead, engine stops, no warning. this has nearly caused accidents 15-20 times. towed 8 times...waited it out the rest. dealer will not help unless they can duplicate problem - cannot duplicate an intermittent problem, so there 'is no problem'. personal mechanic identified the problem as the computer, tried to order one from jeep several times, always told it is on backorder. interesting... back ordered part for 'no problem'. the computer was apparently replaced just before i purchased the car. *nm

Crankshaft counter balance weights scraping against internal engine block due to main crankshaft thrust bearing wearing out at 115,000 miles due to bad oem part. all other engine parts are excellent! this wear causes an internal ticking sound that steadily gets louder as wear continues. replacement of the thrust bearing requires engine removal, engine disassembly and is not practical. after $900 for diagnostic work, mechanic says put it back together and drive it until it stops, then replace the entire engine.............or replace it now........the part will fail and be terminal to the engine. *jb

Tie rod ends replaced . cooling fan sensor , front wheel bearings, rear differential completely rebuilt, what's next? will never buy a chrysler product again!!!!!!!!*jb

1999 grand cherokee jeep, brake failure and head gasket replaced. *bf the consumer stated while driving and without warning, the vehicle seized up. the vehicle was towed to a garage who replaced the transfer case, rack and pinion, and spider gears. *jb

Vehicle caught on fire while parked in the parking lot. the local fire department arrived to extinguish the fire. the fire caused damage to two other vehicle parked next to consumer's vehicle. insurance investigator believed the source of the fire started from the catalytic converter. the manufacturer was notified.*ak

Recall 04v112000 concerning crank shaft position sensor wiring: consumer stated that this recall information found on nhtsa website was the same problem that his vehicle was experiencing with stalling at any speed. dealer was notified. they informed consumer that this vehicle was not covered under this recall. *ak

99 jeep grand cherokee with engine problems customer states that the rpm's would immediately go up to the 200 or sometimes higher as soon as he starts up the car and also accelerate when the brakes are applied**cc the consumer stated various parts were replaced, however the problem returned. the consumers wife was driving, when all of a sudden the vehicle started to accelerate on its own, she applied the brakes as hard as she could, however the vehicle continued to proceed in a forward motion. the only solution was to place the vehicle into park. after placing the vehicle in park, the consumers wife placed it in drive again and immediately it started to accelerate uncontrollably. applying the brakes with full force did not solve the problem. when aaa arrived and started the vehicle, nothing happened. the sudden acceleration happened again while the consumers daughter was driving. during one of the sudden acceleration incidents, the consumers wife was injured. the right front wheel speed sensor was replaced. the coolant radiator fan relay and water pump were replaced. the air bag light was on, the transmission seal was leaking. the fuel pump was replaced. the right and left hub bearing were replaced. *jb

This problem has been happening for approximately 2-3 months. there has been nothing specific to cause the problem. my 1999 jeep grand cherokee will, without warning, act as if it is running out of gas. i have more than once attempted to cross an intersection only to have the vehicle loose all fuel power, therefore leaving me in the path of other vehicles. this problem will last anywhere from 5 to 15 seconds (approximately - i have not actually timed it) before it straightens back out where i can again accelerate. i have had vehicles have to slam on their brakes to keep from hitting me because i can not accelerate. below is a what i have done to attempt to correct this problem (in the order it was done): 1)plugs were replaced at home 2)fuel injectors were cleaned by certified mechanic (not at dealership) 3)power train control module (computer) (used part) replaced at dealership (at this time i did contact jeep because the computer was only 2,000 miles passed the warranty - they would not assist me the replacement) 4)coil pack replaced at home this vehicle has spent many days in the shop and with all the work that has been performed and all of the diagnostic tests, they still can not tell me how to fix this problem. i have replaced $600 worth of perfectly good parts. this vehicle is extremely dangerous to drive. so much that i will no longer allow anyone to drive it. i spoke with a customer service rep at jeep again today and because the vehicle is no longer under warranty (approx. 83,000 miles), they will not consider helping me. however, their technicians also stated that they were "stumped".

My wife made a quick stop at a local store. upon returning the vehicle's engine would not turn over. she paused for a few minutes and attempted to start the engine again. there was a loud bang followed by a loud rattling. at the mechanic shop, the mechanic hoisted the jeep on the lift and we witnessed a hole and crack in the bottom of the engine about the size of a softball. the cracked piece was only being held by a bolt or some kind of rivet or else the hole damage would have been much larger. the 99 jeep gc had 96500 miles on it, regular oil changes, and it was not leaking oil. it happened without warning, and i have heard no decent explaination for this. cost $1500, and this was considered a good price. yours truly, disgrunted consumer

My 1999 jeep grand cherokee's radiator fan failed to work, causing the vehicle to overheat. this was diagnosed as an inoperative fan relay by a jeep dealer. this issue is one of many intermittent mechanical problems plaguing this vehicle since purchasing it new, however this complaint is being filed for 4 specific reasons: 1) this type of problem resulting in total failure should not occur in such a new vehicle, 2) a breakdown of this type (overheat) may cause collateral damage to the vehicle which will not be known about until a future event occurs, 3) i am a women who travels alone often and any breakdown puts my personal safety at risk, 4) to help prevent others from experiencing this if this report assists in determining that this issue is a systemic problem with this vehicle. i understand that proactive resolution of this problem was not likely, however i have attempted to find out information on systemic problems with 1999 jeep grand cherokees in order to be an informed consumer and be proactive in my maintenance checks of my vehicle to avoid breakdown. this information is not readily available from the dealerships, therefore it puts the consumer at more risk than necessary. daimler chrysler should take more responsibility and improve communication on these issues. this model year vehicle has been plagued with known problems, two of which cost me the loss of my vehicle over 2 different weekends, 2 different breakdown events while i was driving alone, in addition to at least 12 other service events. *ak

Electric cooling fan falure in my 99 jeep grand charrokee whitch in turn over heated the jeep ruptured the radiator causing $884 in damages. come to find out new fans are back on order this is a problem that is ongoing with jeeps 98-2002 if i would have known this would have been more carful picking out my new car thanks john

Broken window motor, seat belt mounting bolts, leaking rear shock absorbers, etc...*mr the consumer felt jeep should fix the outstanding problems with the axles and the transmission and give a warranty for the power train. the vehicle experienced a noise while in motion. also the broken window lift leaked, the rear absorbers failed, the rear passenger window leaked air, the seat belt mounting bolts failed,and a potential fire hazard on the manifold debris shield, the brake pedal pulsated wildly(front were rotors turned), the passenger window had stuck shut, the exterior mirror had broken off, and the transmission slammed into reverse. there was a buzz in the rear which had progressed to a howl. refer to odi# 10027025 *scc *jb *jb *jb *cb

1999 jeep grand cherokee limited. only 45,000 miles. vehicle stalled when making turns and now stalls when operating at high speeds. last time vehicle was traveling approximately 65 miles an hour and stalled. usually the vehicle will start back up as soon as it is put in neutral and you turn the key. but on some occasions vehicle has had to sit for approximately 15 minutes before starting again. vehicle has been towed to a dealership on 2 occasions and each time when it arrives and is checked by mechanics it starts up. mechanics and computer checks revealed no problem at the dealership. people have said that is possibly a computer problem in the vehicle and the reason the dealers found nothing wrong is the computer resets itself each time the jeep is restarted. not sure but the dealerships cannot give me any advice on what to do to fix the problem. i cannot afford another vehicle and i am worried that vehicle stalling at high speeds is going to result in an accident. please let me know if this is a problem you have found in other jeeps and if you know a remedy. jeep has also had electrical problems in the past such as two auto door locks going bad, air conditioner went bad, and the battery failed. not sure if this is related somehow or not. check of past owner records shows maintenance for check engine light at 21418 miles (2/19/01) and 33488 (2/28/02) and automatic transmission problems at 33488 miles. *tt

Consumer complained about a transfer case problem. when driving at approximately 40 mph there was a loud clanking sound coming from the front undercarriage. consumer took the vehicle back to the dealer, and was told the vehicle had dusty brake pads, but that was not the issue. then, consumer was told that the constant velocity joints were leaking. also, consumer was told that the driveshaft needed to be replaced. consumer felt that the dealership did not know what the problem was, and perhaps was covering up the real problem. *ak recall campaign; component: fuel system, gasoline:fuel injection system:injectors. the consumer stated that the vehicle would not start. the consumer stated that the engine had an extended crank before starting. fuel pump assembly and pump crank repair kit installed. the consumer stated that there is a shimmy when the brakes are applied. when sitting at a stop light having the vehicle in gear it vibrates. the left outer cv boot was leaking. the engine light came on. the consumer stated that the transmission slams into gear. *tc

My 1999 jeep grand cherokee limited with 4.7 liter v8 has a nasty white foam where i fill the oil. looks like some kind of emulsification. maybe water in my oil. i changed the oil this weekend when it was 2 degrees out and the white foam was frozen in chunks which then fell down the tube. is there a tsb for this problem. i have heard similar problems from others with the 4.7 liter. how can i get this problem corrected by jeep?

Consumer called complaining about having problem with the recall part. dealer has the part and didn't call the consumer. please provide further information. ts

We are in a disupute with dialmerchrysler regarding a engine repair with our 1999 jeep grand cherokee laredo. on dec. 23, 2002 we broke down on the highway because a rocker arm spring broke causing a rod to break through the valve cover and drop down into the engine causing $1600 in damage. the jeep has 43,000 miles on it and is no longer under warranty. we purchased the jeep in feb. 2002 and since that time we have replaced the rotors, a leaking seals and now the engine problem. when we approached chrysler about possible assistance with the repair bill, we were told that there was no previous history of enging problems and we did not purchase the extended warranty so they would not help us. our point is that it would have been doubtful that the engine would have had this kind of problem (nor should it have this problem) with such low miles. also, we were never offered an extended warranty at time of purchase. when we discussed this with the salesman he stated that cost was an issue when buying the jeep so he didn't want the price to be any higher. isn't cost always the issue when buying a new car and shouldn't we have been offered a chance to purchase the warranty? we feel that a $6 spring shouldn't cause $1600 to an engine anyhow. is there any way you could be of help to us?

On december 7, 2002 my family and i (including my 2 1/2 year old daughter) were driving down the new jersey turnpike and our 1999 jeep grand cherokee caught fire. a state trooper aided us in putting the fire out and we had the vehicle towed off of the interstate. upon our return home that evening we discovered a daimler chrysler recall notice (recall: b06) in the mail stating that a defect in the exhaust manifold may result in and underhood fire. daimler chrysler has since informed us that because the vehicle is over 3 years old they will not reimburse us for the costs of repair or provide an explanation as to how or why the fire ocurred.

Consumer states that while driving at 20mph and without warning the vehicle will shut off causing consumer to pull over. dealer notified. ts

Exhaust manifold gasket over heated and burned up in turn had caused over heating in the torque converter. this led to transmission failure. keyless entry lock had malfunction also.*jb

Consumer states that while driving and no warning the vehicle will start to over heat causing the consumer to pull over to let the vehicle cool down before consumer think it safe to drive. dealer notified. ts

While driving the vehicle caught on fire in the engine compartment. nlm

The vehicle exhibits a sag/hesitation following a partial cool down restart, possibly an oxygen sensor problem. while making hard left turns at slow speeds (such as a u-turn), the airbag warning light illuminates and a audible chime is activated. the right side brake light assembly is burnt (internally) due to some kind of electrical overheating. the vehicle shifts hard, misses shifts, shifts repeatedly at constant speed and on a level grade. the rear differantial "bumps" very hard within 3-20 seconds of coming to a complete stop. an immovable "fog" has developed on the lenses of the composite headlight assemblies.*ak

Vehicle not running properly. it lost compression. mechanic replaced cylinder in engine.*ak

On several occasions consumer had problems with the catalytic converter being plugged, manufacturer notified. *tt

Vehicle cuts off intermittently while driving at highway speeds. dealer has been contacted. please provide further details. *ak

While driving heard a noise, vehicle started smoking,. consumerpulled over. engine blewout contacted dealer.*ak