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2007 Jeep Grand Cherokee Problems

Brake Pulsations Due to Warped Front Brake Rotors

for the Jeep Grand Cherokee

Due to warped front brake rotors or variations in the thickness of the rotors, brake pulsations may develop. The best method to reduce pulsations is to use an "On the Car" brake lathe (as long as the rotors are suitable for turning). "On the Car" equipment can correct variations (or "runout") in the rotor surfaces because it also corrects variations in other components (e.g. the hub).

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Replace Transmission Cooler Return Filter if it Has "AB" Suffix

for the Jeep Grand Cherokee

If the transmission delays initial gear engagement after being parked overnight or longer, it may be due to a suspect transmission cooler return filter. If the transmission was recently serviced and the part number for the cooler return filter contains an "AB" suffix at the end, a new filter should be installed.

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Software Updates Address Erroneous Illumination of Warning Lights

for the Jeep Grand Cherokee

Software updates are available to solve various Check Engine Light and warning light related issues.

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Check engine Light due to failed charcoal canister

for the Jeep Grand Cherokee

A small leak from loose charcoal in the charcoal canister (part of the Evaporative Emissions System) may cause Check Engine Light illumination.

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Multiple Displacement system must use correct 5W-20 oil

for the Jeep Grand Cherokee

Vehicles equipped with the multiple displacement system (MDS) must use the correct 5W-20 oil in order to function properly.

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Check Engine Light Due to Failed Thermostat

for the Jeep Grand Cherokee

The thermostat may fail to close completely, causing the Check Engine Light to illuminate. This problem will prevent the engine from reaching normal operating temperature; a new thermostat should be installed.

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The Check Engine Light With Code P013A and/or P013C

for the Jeep Grand Cherokee

On Vehicles with a 3.7L V6 or 4.7L V8 engine, the Check Engine Light may illuminate with code P013A and/or P013C. Or technicians tell us that updated software for the powertrain control module (PCM) is available to correct this concern.

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