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L6-4.0L

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1996 Jeep Grand Cherokee Limited Overheating
You need to check to make sure the cooling fan is coming on. If it is not then further diagnosis will need to be done by scanning the computer to see if fan control is turning on to see if...
Question
Jeep starts but won't move
Hi Connor. Thanks for contacting us today. In most cases when this occurs, it's due to a shift linkage or shift solenoid failure. It's also possible that you have damage to seals or gaskets inside the transmission case. The best...
Question
My car is very loud when accelerating and smokes when running, stops immediately when the car turns off.
The problem sounds like you have an exhaust problem. You may have a broken pipe or bad convertor and is rattling in the exhaust. Have a mechanic like one from YourMechanic inspect and diagnose the problem for you.
Question
I have a 2001 Jeep Wrangler that recently has started making a clunk and clicking noise from stand still and during left turns.
Hi Luciano. Thanks for contacting us tonight. It's quite possible that you have a few different issues causing these noises. In regards to the clunking noise from the center while first starting to roll in first gear, it could be...
Question
Windows won't close
Looking at the wiring diagram for your vehicle, I don't see any part of the circuit that would affect both rear windows, without also affecting the front. Because of this, my guess is that you have two failed power window...
Question
Turn signals don't work
Hi there. Check the fuse to the turn signals and see if its blown. If the fuse is not burned, then check the wiring from the switch to the turn signal lights. Use a digital ohm meter and see what...
Question
Turn signal and hazards not working
Hello, thank you for writing in. It is possible that the vehicle could be having a switch or ground connection issue. The turn signals and the hazards are wired separately so that your hazards will work independently in emergency situations....
Question
Transmission shifts up and down randomly.
Hi There, What you are describing sounds like possibly a bad speed sensor or potentially a faulty transmission control module, which also controls the speed sensors. The transmission control module has various sensors such as vehicle speed sensors, wheel speed...
Question
Transmission not shifting properly
Unfortunately the information provided for your Jeep Grand Cherokee is general and a bit limited. It appears that the quality of the fluid in your vehicle may be dirty and I would recommend having a transmission service performed. A...
Question
transmission
With your car having 250,000 miles on it, some mechanical issues may be expected at this point. I am assuming here that the transmission has this many miles as well. This is about the time that all the friction material...
Question
Stalling
Hi there: The EVAP system is comprised of multiple components. Although the gas cap removal is the easiest job to complete and the source of many of these problems, another common issue is caused by the EVAP vent solenoid. When...
Question
Speedometer stopped working
The vehicle speed sensor signal can be tested using a scanner since the signal will go to the engine control module and the speedometer. If the signal is good to the ECM, then you most likely have a bad speedometer....
Question
Serpentine belt coming off
Hello. The oil that is spitting out from the front main seal is leaking onto the serpentine belt, and belt pulleys. This is causing the serpentine belt to slip off. The front main seal will need to be replaced with...
Question
Possible electrical problem
It is always an unfortunate experience to have your vehicle stall while you are driving. It is also unfortunate that there can be a great number of reasons as to why your Jeep Grand Cherokee is stalling as well. Without...
Question
Overheating
On head and block, those surfaces have to be measured before you apply a head gasket. If they are not flat within around .002 inches, you can get leaks and that alone can account for overheating. It is possible that...
Question
Oil light goes off and on.
This light will usually come on when one of two things are happening. Either the motor is in fact low on oil or the oil pressure sending unit is not working properly and may be producing a faulty reading. I...
Question
Loss of power
Hi there, thanks for writing in. Most of the time this is caused by a fuel system issue. I typically check the fuel pressure first. If the pressure is low, then the pump is bad. If the pump is fine...
Question
Leaking oil
These engines are known to have oil leaks from multiple gaskets on the engine, power steering leaks, transmission leaks, axle cover leaks, and fill plug leaks. The leaking fluid and location would need to be checked in order to isolate...
Question
Jeep shuts off when driving
Hello. Although this sounds similar to the problem you are experiencing, the crank sensor does not seem to be the problem because a malfunction of the crank sensor can cause the truck to run for a brief moment before shutting...
Question
Jeep shut off while driving.
This may be a sign of a faulty ignition coil. Ignition coils are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeatedly The insulation develops small fractures that open when heated and close...

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