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Grand Cherokee

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Question
While riding over a hump, there is a sound from the shock absorber 2017 Jeep Grand Cherokee
Hello - shock absorber noises, both front and rear, is a fairly common complaint among Jeep owners, and for a few years now. Whether it is "normal" or acceptable is a subjective question, but if there is any fluid leaking...
Question
Engine is getting warm, heater is only blowing warm air when the vehicle is moving. 2003 Jeep Grand Cherokee
Hi there - this sounds like a possible thermostat (no allowing proper warm-up to operating temperature), or an inadequate water flow (water pump or clogged radiator) problem. The lack of heater function could have 5 causes: the engine is not...
Question
My Jeep is having EVAP Issues
Hello Melissa, thank you for writing in. We can absolutely help you replace the EVAP canister or other malfunctioning parts in the system. If there is a vacuum leak in the system, you will need to locate it. An EVAP...
Question
Engine cuts off without notice while driving
It is possible that your fuel pump or fuel pressure regulator are failing. When one of these two parts fails, the vehicle's engine will not recieve the proper amount of fuel needed to keep running. I would recommend having your...
Question
Car drives rough only during acceleration.
What you are describing sounds like a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake as it is mixed with fuel prior to being injected into the motor. This sensor relays vital information...
Question
My boy accidentally hooked battery cables up wrong on his truck, and now it's got white smoke that smell like gas coming out.
When hooking up the battery cables backwards, the ground became the hot and the hot became the ground. Most likely the computer (ECM) could have failed and the fuel pump may have burned up. I recommend checking all of the...
Question
Rear differential problem
The reason the pinion seal went bad is due to the pinion bearing is bad and letting the pinion shaft move up and down. You may need to replace the pinion and carrier bearings in the rear end.
Question
Rear differential problems
If you are getting a noise from the rear end when you put pressure on it by giving it gas then the cause is going to be the ring and pinion bearings most likely. Have the pinion bearing checked where...
Question
My car will not start. It is completely dead (zero power), is it my alternator?
A failed alternator is a possibility, and is among the components that would be checked first, but it is not the only possibility. Charging system output should be verified against factory specifications. To have the alternator inspected and replaced, if...
Question
Low thunk when, at slow speed, the gas pedal is pressed. What could cause this? 2005 Jeep Grand Cherokee
Hi there - most likely, the "thunk" you describe is coming from a weak or failed motor mount. It is allowing the engine to move about when you apply the accelerator pedal, and the engine is hitting something in the...
Question
Vehicle shaking
There could be a combination of faults creating the shaking effect you are feeling. Certain tire defects, particularly internal belt damage or separations, as well as irregular tire wear will cause vehicle shaking, or shimmy, and such could be "set...
Question
No spark 1998 Jeep Grand Cherokee
Hello - your symptoms suggest someone may have "worked on" this without your awareness of what might have been done. Hate that! You will likely have to get out a voltmeter and start following the electrical path to the plugs....
Question
Oil light comes on
If the oil pressure warning light comes on there is either dangerously low oil pressure or there is a sensor malfunction. You should always turn the engine off immediately due to the significant potential for costly engine damage. First, be...
Question
If you just put a brand new tps in a 97 jeep grand cherokee and the idle is at 1000 rpms, would you consider that the sensor is bad? Thanks
Hi there. You can adjust the throttle plate on the throttle body or adjust the throttle position sensor. If making the adjustments has no effect on the engine idle, then there could be a vacuum leak or the Idle Air...
Question
Their is a hole in the Heater Box
If you are referring to the "heater core", which is the metal assembly under the dash that looks like a mini radiator and through which heated coolant flows, for your make and model that part costs anywhere from $75 to...
Question
Conversion kits and price on 2011 jeep grand cherokee. From air to coil suspension
Unfortunately, we don't provide mechanical services on aftermarket upgrades or offer technical advise on those installations. I would recommend contacting a Jeep suspension specialist shop to online owner forum to receive the info you're requesting.
Question
P2181 cooling system performance error
Once you verify the thermostat and cooling temperature sensor is operating normal then you should have the PCM reprogrammed following technical bulletin 18-032-11. The bulletin will reprogram the computer to a new calibration so it is not as sensitive the...
Question
Charging system failure.
Hi There, You may have a failing voltage regulator that could be allowing the alternator to supply too much or too little amperage to the battery resulting in the battery never maintaining a consistent charge as it is designed to....
Question
harmonic balancer replacement
Hi there. Quotes cannot be generated via the ask a mechanic portal. Your request is being forwarded to customer service. Please have your vehicle make, model, year, mileage, and VIN readily available. Your Mechanic has several available technicians that can...

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