Jeep Commander Engine Troubles

are jeep commander engine problems

The Jeep Commander is a seven-seater SUV that has been discontinued since 2010. While it is a reliable SUV, it has had its fair share of common problems. Owners of the Jeep Commander have made numerous complaints about issues with the vehicle, ranging from broken door handles to engine stalls and sunroof leaks.

One of the most significant concerns is the engine, with reports of unexpected stalls and shutdowns while driving, particularly in the 2006 and 2007 models. In addition, some models have exhibited delayed transmission engagement due to a faulty internal cooler return filter.

Other common issues include electrical problems, defects in the power train, a problematic manual temperature control system, and broken exhaust manifold bolts, which can lead to leaking exhaust gases.

Despite these problems, the Jeep Commander is still a popular choice for families and off-road enthusiasts due to its spacious interior, excellent features, and powerful engine options.

Characteristics Values
Engine Problems Engine stalls without warning while driving
Engine overheats
Engine coolant tank leaks
Faulty internal cooler return filter
Faulty powertrain control module
Other Common Problems Broken door handles
Electrical issues
Manual temperature control malfunction
Defective airbags
Faulty 4WD system warning lights


Broken exhaust manifold bolts

The average cost of repairing this issue is between $492 and $528, with labour costs estimated between $121 and $153, and parts priced between $371 and $375. However, some owners have reported repair costs of up to $600. The repair involves replacing the exhaust manifold gaskets and bolts, and in some cases, the entire exhaust manifold may need to be replaced.

Some Jeep Commander owners have reported having to replace the bolts multiple times, indicating that this issue may reoccur even after the initial repair. This has led to some owners considering a class action lawsuit against Jeep. While Jeep has not issued a recall for this issue, they have stated that all complaints are documented and could potentially lead to a recall in the future.

If you are experiencing this issue, it is recommended to take your vehicle to an authorised repair shop or dealership to have the problem diagnosed and repaired. It is not advisable to attempt this repair yourself, especially if the problem is caught late, as it may require a trained technician to inspect the exhaust valves.


Faulty 4WD system warning lights

The Jeep Commander is a reliable SUV, ranking 15th out of 32 vehicles in its segment. However, one of the common issues reported by owners of the 2006-2010 models is a faulty 4WD system warning light. This issue can be frustrating and misleading for drivers, as the warning light activates even when there are no fault codes stored in the final drive control module (FDCM).

To address this problem, a software update for the FDCM is available. This update has successfully corrected the issue for most affected vehicles. It is recommended to take the vehicle to an authorised dealer or mechanic to perform the software update and ensure that the issue is properly resolved.

In some cases, the issue may be caused by other factors such as a faulty wheel speed sensor, a bad battery, poor alignment, or a faulty transfer case motor or switch. It is important to have a qualified mechanic diagnose the exact cause of the issue to ensure that the appropriate repairs are made.

It is worth noting that the Jeep Commander is a relatively reliable SUV, and issues with the 4WD system warning light are not indicative of a major problem with the vehicle. However, it is always a good idea to stay on top of any maintenance or repair issues to ensure the vehicle's longevity.

If you are experiencing issues with the 4WD system warning light on your Jeep Commander, it is recommended to consult a professional for diagnosis and repair to ensure the issue is properly addressed.

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Warm air from the instrument panel outlets

The root cause of this issue is a faulty air distribution housing. To resolve this problem, it is recommended to install a revised air distribution housing. This solution has been suggested by mechanics and technicians alike. By replacing the air distribution housing, the air conditioning system will be able to distribute cold air as intended, ensuring a comfortable driving experience.

It is worth noting that this issue is specific to vehicles with manual temperature control. The affected models of the Jeep Commander were equipped with manual temperature controls, which consist of a series of outer rotary dials and inner push knobs to regulate air temperature.

The average cost for an AC diagnosis to identify this issue is between $88 and $111. However, the cost of resolving the issue by installing a revised air distribution housing may vary. In one instance, a Jeep Commander owner reported paying $1,200 to resolve the issue, which included the cost of a new fan motor, cleaning and replacing the lines, and refilling the system with Freon.

It is important for Jeep Commander owners to be aware of this common issue and seek professional assistance if they experience similar problems with their vehicle's air conditioning system.

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Delayed transmission engagement

There are several potential causes for delayed transmission engagement in Jeep Commanders:

  • Low or poor-quality transmission fluid: Insufficient or contaminated fluid can lead to a lack of lubrication and hydraulic pressure, resulting in delayed gear changes. It is recommended to check the fluid level and condition regularly and top up or replace as needed.
  • Clogged transmission filter: A clogged filter can affect transmission pressure, causing delays in engaging the gears. However, determining if the filter is clogged may be challenging as it requires removing the transmission pan.
  • Worn seals or bands: With time and high mileage, internal components such as seals, bands, clutches, and solenoids can wear out or fail, leading to delayed engagement due to low internal pressure.
  • Faulty shift solenoids: Shift solenoids control the flow of fluid in the transmission. Over time, the solenoid's tiny plungers or electromagnetic coils may fail due to constant heat and vibration, impacting the engagement of subsequent gears.

To address delayed transmission engagement, it is important to:

  • Regularly check and maintain correct fluid levels, using the recommended fluid type for your Jeep Commander.
  • Have the transmission fluid flushed every 60,000 miles to ensure optimal performance and prevent overheating.
  • Consult an experienced technician to inspect and replace the transmission filter if necessary.
  • Inspect the transmission fluid pump for proper operation, as pump failure can lead to low fluid pressure and potential internal damage.
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Electrical issues

The Jeep Commander is a seven-seater SUV with high reliability compared to other units in its class. However, electrical issues are common in this model, interfering with several vehicle functions.

Some of the electrical problems Jeep Commander owners have faced include:

  • Faulty backup sensors
  • Radio malfunctions
  • Malfunctioning dash gauges
  • Issues with the ignition switch
  • Headlights turning on and off
  • Dashboard lights flashing
  • Windows not working properly
  • Airbag light coming on
  • AC malfunctioning
  • Stalling
  • Loss of motive power
  • Abnormal ticking sound from the radio while starting the vehicle
  • Sunroof leaks
  • Transmission issues
  • Manual temperature control malfunction
  • Seat belt not latching

One of the common causes of electrical issues in the Jeep Commander is a wiring harness under the 2nd row of seats that is totally unprotected. The heat from the muffler can cause the carpet to burn and wires to melt and fuse together. This can lead to various electrical problems and even pose a safety hazard. To fix this issue, it is recommended to pull apart the melted wires, put a heat shield under the carpet, and replace the muffler heat shield or install a new one.

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