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Problems for specific Jeep Wrangler years:

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Most reported Jeep Wrangler problems

 

Verified for the Jeep Wrangler

2.5L 4 cylinder
If the power steering pump pulley is not installed in the correct position on the pump shaft, the drive belt may make a chirping noise and sound as though it is coming from another component.

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Verified for the Jeep Wrangler

The ABS light can come on, indicating an ABS pump motor circuit fault. This is most likely to occur in warmer areas (above 90° F) and usually after a quick stop, like a refueling. If no faults can be found in the pump motor circuit after proper diagnostics, there is a revised ABS control module which should correct this concern.

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Verified for the Jeep Wrangler

If a thumping or creaking noise is heard from the transmission tunnel area while driving over bumpy roads, a transfer case shifter repair kit is available which should correct this concern.

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Verified for the Jeep Wrangler

A hum or moan can be heard when the AC is turned on if the system is not charged with the correct amount of 134a refrigerant (.9 kPag or 32 oz).

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Verified for the Jeep Wrangler

If a growling noise can be heard from the AC compressor while the AC is on, a revised compressor is available which should correct this problem.

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Verified for the Jeep Wrangler

A loud buzzing or whining when the transmission is in reverse may be caused by a regulator valve in the transmission valve body. A revised valve was released that does not resonate. Careful diagnosis should be performed because other causes can create the noise.

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Verified for the Jeep Wrangler

On the Rubicon models there is a software update for the Powertrain Control Module (PCM) to correct a condition where the differential lockers disengage or unlock when the key is turned off and then back on. The differential lockers will remain locked with the new software when the ignition key is cycled.

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