2008 jeep grand cherokee limited 5.7l hemi 4x4. Experiencing loud engine noise when first started. Most noticeable when engine is cold. More pronounced on colder days than warmer days. Appears to eventually subside after engine reached maximum operating temperature. Noise is not engine piston slap, does nopt increase when engine revolutions are increased, rather, it appears to subside, indicating valve train noise due to hydraulic lifter not fully pumping up, resulting in valve train chatter reminiscent of mechanical lifters needing adjustment, due to cold oil (higher viscosity) or low oil pump pressure. Changing to manufacturer recommended mobile1 seems to increase noise.
2008 Jeep Grand Cherokee engine complaints
Page 6 of 6: complaints 131 to 146 of 146, newest first, as owners wrote them.
Since turning 38,000 miles my jeep grand cherokee 4x4 limited has begun to stall with regularity. The vehicle also shifts very hard while at highway speeds. The vehicle has stalled while standing at a stop, traveling on secondary roads, and highway speeds. The dealer has changed some sensors etc without any success. Even work done at an independent garage has failed to solve anything. This vehicle has become an absolute death trap. I depend on this vehicle for work and to transport my 1 year old. When the vehicle stalls no lights indicate an issue and no codes are stored. The dealer has sent me packing numerous times. They always say to come back when a light comes on. I've tried to explain that the next time may be the last time. A search online showed that my situation is far from the only one. I've had numerous jeeps over the year and never had this problem. Something has got to be resolved. Not only am I and my family in danger, but anyone near me while I'm on the road. Who would expect the car in front of them on the highway traveling at 65 MPH to just stop. Please the federal safety agency step up and flex some muscle.
Tl* the contact owns a 2008 jeep grand cherokee. Intermittently while driving the vehicle would stall without any prior warnings. Although the vehicle was shut off, the radio would continue to play. When restarting the vehicle, the engine light would illuminate on the instrument control panel. She took the vehicle to the dealership four times , but the technicians could not identify a cause for the failure. She contacted the manufacturer and was advised to taken the vehicle back to the dealership. The current mileage was 11,098. The failure mileage was approximately 5,000.
2008 grand cherokee 4x4 4.7l flexfuel stalling at various highway speeds. Throttle lagging, harsh up/down shifting, hesitation on torque demand, fuel mileage reduced by 20%. After the first two stalling occurrences, the dealership replaced the fcm (front control module) since the serial number of the installed one-337- matched the february 2008 recall, although chrysler database VIN recall search came back empty??!! The third and fourth stalling events were followed up by the replacement of the PCM (powertrain control module) since a "soft fault"-"torque request denied" was found stored within the controller. However, after six hundred miles, a fifth stalling occurred. This time a hard fault related to the map sensor (intake manifold absolute pressure) was found. The replacement was scheduled in 48 hours. There were six dealership appointments(only two documented though ??!!) and it was invariably either "we have to order the part" or "there is nothing wrong we could point at". The almost new vehicle is not safe to be driven on public roads. Yet chrysler never provided a temporary replacement until the safety hazard could be located and eliminated. After every attempt of solving the problem, the customer is sent away to try his (her) good luck with a vehicle which might be okay. I don't think this a professional approach for both chrysler and the dealership servicing the vehicle. Guessing and safety does not belong within the same sentence !
2008 grand cherokee 4x4 4.7l flexfuel extremely sluggish on throttle demand (305 hp ???!!!), harsh transmission up/down shift and stalling at highway speeds (four occurrences within five weeks) . The dealership performed the february 2008 recall of the fcm (front control module) after being directed by the customer to do so since the serial # on the module matched the "wrongly manufactured" ones; however, the VIN search within chrysler recall database returned empty. Evidently, the dealership owning the new vehicle at the date of the recall never performed it (as required by law) . The incident repeated after the replacement of the fcm. The dealership retrieved an ABS fault code hence decided that the PCM (powertrain control module) is defective???!!! ( seven days on back order) "lifetime powertrain warranty" seems to be accomplished by ignoring of the driver's safety. The software running on the PCM should never be given the choice of immediately shutting off of the engine especially when the vehicle travels at a high rate of speed. Modern steering and braking systems are almost non-operational when there is no available assisting power.
Crank sensor failed in 2008 jeep overland diesel, loss or power and inability to restart on highway, also I am stranded 1500 km s from home awaiting the replacement part.
2008 grand cherokee overland - stalls intermittently while driving. Occurs every so often - have to steer it to the side of the road, turn off engine and turn it back on. It happens even when standing still at a red light. It happened when there was little mileage on the car, and it keeps happening took it twice to service station. Can find nothing wrong. Started happening november 2008 and still happens.
Tl*the contact owns a 2008 jeep grand cherokee. While stopped at a red light, the vehicle began to shake and lose power. The vehicle was taken to the dealer to have the PCM programmed. The PCM did not stop the shaking; however, the vehicle no longer jerked forward. The vehicle has been at the dealer five times for the shaking issue, but they cannot remedy the failure. The contact feels that this is a safety issue because the shaking and jerking almost caused a crash. The current mileage is 11,700 and failure mileage was 5,514. Updated 6/4/09 *cn the rear view mirror was out of frame, the engine had a rough idle and it felt as though it was going to stall. Updated 06/09/09.*jb the consumer she and her husband were displeased with the arbitration boards' decision. The consumer stated the vehicle would surge forward and vibrate when at a stop and would feel as though the vehicle would stall, even more without the air condition turned on. The explanation the consumer was given that the air condition will cycle on at the same time the cooling fans which was said to cause the problem. Updated 11/02/09.
It would not roll down. Tl*the contact owns a 2008 jeep grand cherokee. While driving approximately 30 MPH on normal road conditions, the engine unexpectedly stalled. There were no warning indicators illuminated on the instrument panel. The vehicle restarted after the first attempt. The gear shifter was placed into drive and the accelerator pedal was depressed, but there was no response. The contact made several attempts before the vehicle was able to be driven again. The vehicle was taken to an authorized dealer, but they were unable to duplicate the failure. In addition, the gear shifter was stuck in park and would not shift into reverse. The vehicle was taken to an authorized dealer on a separate occasion for identical failures, but there were no resolutions. The vehicle has not been repaired. The failure and current mileages were 2,355. Updated 3/3/09 *cn the consumer had difficulty getting the vehicle thevehicle out of gear. The left front window did not functin properly. Updated 03/04/09.
Sudden acceleration/ loss of brakes. Vehicle accelerated to full throttle while entering from freeway onramp. The driver took foot off accelerator and vehicles accelerator pedal continued to move downward to full throttle and would not decelerate after an attempt to "pump" the accelerator pedal to try and get the pedal to release. The automobile was then put in neutral and the engine would not slow down in" RPM's". The brakes were applied and an attempt was made to stop the vehicle and the brakes were not functioning properly with the automobile coming to a very long and slow stop white trying to maneuver the automobile to the side of the road. Once the vehicle was brought to a stop the motor was still at an extreme "RPM" level. The motor was turned off at the ignition switch and the engine finally stopped running. After sitting at the side of the road for sometime the vehicle was restarted and driven to a safe location where the driver let the vehicle sit for an hour or two and restarted for the final drive home(about five miles). The vehicle was taken to the dealers service department the next business day. The dealer ran a scan on the vehicle and diagnosed that the event occurred as stated. The dealer consulted chrysler service center and were recommended to replace the throttle and brake modules for the sudden acceleration and braking problems. The vehicle parts are at the dealer with the vehicle. The vehicle was test driven by the dealer and the customer was told the vehicle was ready. When the customer asked if the vehicle was repaired and safe the service department representative said "we installed the recommended parts by chrysler service" and would not say if the vehicle was repaired properly or safe from the sudden acceleration/brake problem. The vehicle as of today 12-24-2008 remains at the dealer.
Problem #1: 11/15/08, 1800-1900hr, driving 65mph interstate in maryland after heavy rain. No warning: headlights out, engine stopped, dashboard mostly dark. Radio stayed on. Hit 4-way flashers, drove to side of road. Engine restarted easily. Car had 2500 miles on odometer. Purchased new 8/25/08. Jeep dealer unable to find fault code or replicate problem. 2nd problem: horn only works with heavy pressure from fist. Dealer has replaced horn pad twice and switch once.
I was driving my '08 jeep grand cherokee laredo and driving on an on-ramp today to get on the freeway going about 35mph, when all of the sudden I lost all of the electric in my jeep. The radio went out, the odometer and temp/compass went blank, and I lost the power steering. Luckily I was able to steer it over to the side. I then turned it off and back on and there didn't seem to be any problems. I drove it another hour and half home and didn't have any other issues. No check engine light or warning lights came on at any time I took it to the jeep dealer, however they claimed they could not find any issues.
2008 jeep grand cherokee diesel 4x4. Power loss, hesitation, mostly happens at low speeds and gets progressively worse. The vehicle idles fine, then when you step on the accelerator to move out into traffic it sputters and doesn't proceed as expected. Very serious safety issue especially since the computer sees no codes so the dealer doesn't know where to start looking. It doesn't do it all the time and it's impossible to determine when it will do it.
I was heading home 8/14/08 6pm when a torrential downpour took place. I entered flooded street, other cars were passing through. In about 8 inches of water the car stalled. When I tried to restart it started to smoke and smelled like something burning. I abandoned the car and had it towed to the dealer. The dealer said the car was totaled. The insurance company confirmed. The adjuster asked me if I had the air conditioner on and when I said yes he said that is what sucked water into the engine and caused the problem . The car was the limited 5.7 hemi engine. The auto is "trail rated" and has the emblem to prove it, strange for a trail rated auto to be totaled in 8 inches of water. All the time I was stuck in the flooded street other vehicles, sedans, suvs and trucks continued to go through the water without incident. The vehicle had 8000 + miles and was leased on november 26, 2007. There was water in the air filter and I assume in the engine and several modules were burnt out. The car was a total loss.
2006 jeep grand cherokee ltd 5.7 hemi with 44,000 miles. Car has felt sluggish a few times to the point of almost shutting down. Yesterday as I was driving, my check engine light turned on but I was able to continue without any incidents.
Re: 2008 jeep grand cherokee overland edition purchased in sept of 07. Within the first month and 4 times since I have had a loss of power to the vehicle while driving. It has been to the dealer several times for "repair and correction, but the problem keeps happening. The dealer is now at a loss as to how to repair this issue. Their solution seems to be that I should pull off to the side of the road when I feel the power failing, shut off the car and then restart it to reset the computer. They have told me that the issue is because the accelerator and the computer stop communicating. This is not safe and it is not right. Thank you.
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