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2015 Jeep Grand Cherokee

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By Research the Car 5 min read

The 2015 Jeep Grand Cherokee is a popular SUV known for its blend of on-road comfort and off-road capability. Engine options include a 3.6L Pentastar V6 (290 horsepower, 260 lb-ft of torque), a 5.7L Hemi V8 (360 horsepower, 390 lb-ft of torque), a 3.0L EcoDiesel V6 (240 horsepower, 420 lb-ft of torque), and a 6.4L Hemi V8 (475 horsepower, 470 lb-ft of torque) for the SRT model. All engines are paired with an 8-speed automatic transmission. Owners appreciate the Grand Cherokee’s luxurious interior, comfortable ride, and available four-wheel-drive system. Common complaints include electrical issues, some reliability concerns, and higher repair costs compared to some competitors.

Engine

3.6L Pentastar V6

  • Tick/Knock Noise
    • Description/Symptoms: Some owners have reported a ticking or knocking noise coming from the engine, especially when cold. This may be due to worn lifters or valve train components.
    • Solution: Diagnosis by a mechanic is needed to determine the exact cause. Repairs may involve replacing lifters, rocker arms, or other valve train parts.
    • Estimated Cost to Fix: $500 - $2000+ depending on severity and affected parts.
    • Recalls: None Found
  • Oil Cooler Leaks
    • Description/Symptoms: Leaking coolant and/or oil from the oil cooler housing. This can lead to overheating and/or low oil pressure. A visible puddle under the vehicle, especially near the front, is also a sign.
    • Solution: Replacement of the oil cooler housing, often with an updated design.
    • Estimated Cost to Fix: $400 - $800+
    • Recalls: None Found

5.7L Hemi V8

  • “Hemi Tick” Noise
    • Description/Symptoms: Similar to the 3.6L, a ticking noise, often referred to as the “Hemi Tick,” can be heard, particularly at idle or low speeds. This is often attributed to exhaust manifold bolts breaking or worn lifters.
    • Solution: Diagnose the specific cause. Broken exhaust manifold bolts may require extraction and replacement. Worn lifters may require camshaft and lifter replacement.
    • Estimated Cost to Fix: $300 - $1500+ depending on the cause.
    • Recalls: None Found
  • Exhaust Manifold Bolts Breaking
    • Description/Symptoms: Ticking noise, especially when the engine is cold, which may lessen or disappear as the engine warms up.
    • Solution: Extraction of the broken bolts and replacement with new ones.
    • Estimated Cost to Fix: $300 - $800+
    • Recalls: None Found

3.0L EcoDiesel V6

  • Turbocharger Failure
    • Description/Symptoms: Loss of power, excessive black smoke from the exhaust, and a whining or screeching noise from the turbocharger.
    • Solution: Replacement of the turbocharger.
    • Estimated Cost to Fix: $2000 - $4000+
    • Recalls: None Found
  • EGR Cooler Failure
    • Description/Symptoms: Coolant loss, white smoke from the exhaust, and potential engine overheating.
    • Solution: Replacement of the EGR cooler.
    • Estimated Cost to Fix: $1000 - $2500+
    • Recalls: None Found

6.4L Hemi V8

  • Active Valve Exhaust Issues
    • Description/Symptoms: Malfunction of the active exhaust valves, leading to poor performance or a check engine light.
    • Solution: Diagnosis and repair or replacement of the faulty active exhaust valve(s).
    • Estimated Cost to Fix: $300-$1000+
    • Recalls: None Found

Transmission

8-Speed Automatic (All Engines)

  • Rough Shifting/Hesitation
    • Description/Symptoms: Harsh or delayed shifts, particularly between certain gears. Hesitation when accelerating, especially from a stop.
    • Solution: Software updates to the transmission control module (TCM) can sometimes resolve the issue. In other cases, valve body replacement or complete transmission rebuild/replacement may be necessary.
    • Estimated Cost to Fix: $100 (for software update) to $3000+ (for major repairs).
    • Recalls: None Found
  • Transmission Slipping
    • Description/Symptoms: Engine revving higher than normal without a corresponding increase in speed.
    • Solution: Transmission service, valve body replacement or full transmission replacement.
    • Estimated Cost to Fix: $200 - $4000+
    • Recalls: None Found

Suspension

  • Air Suspension (Quadra-Lift) Issues
    • Description/Symptoms: The Quadra-Lift air suspension system can experience leaks, compressor failures, or sensor problems. This can lead to the vehicle sitting unevenly, failing to raise or lower, or displaying error messages.
    • Solution: Diagnosis of the specific component failure is necessary. Repairs may involve replacing the air struts, compressor, valve block, or sensors.
    • Estimated Cost to Fix: $500 - $2500+ per component.
    • Recalls: None Found

Electrical

  • Uconnect System Problems
    • Description/Symptoms: Freezing, slow response times, and connectivity issues with the Uconnect infotainment system.
    • Solution: Software updates may resolve some issues. In severe cases, replacement of the Uconnect module may be necessary.
    • Estimated Cost to Fix: $100 (for software update) to $500+ (for module replacement).
    • Recalls: None Found
  • Power Window Issues
    • Description/Symptoms: Power windows failing to operate properly or becoming unresponsive.
    • Solution: Replacement of the window motor or regulator.
    • Estimated Cost to Fix: $200 - $500+ per window.
    • Recalls: None Found
  • Battery Drain Issues
    • Description/Symptoms: The battery drains while the vehicle is parked, leading to difficulty starting the engine.
    • Solution: Identify the source of the parasitic draw (e.g., faulty module, aftermarket accessories) and repair or disconnect it.
    • Estimated Cost to Fix: $100-$500+ depending on the source of the drain.
    • Recalls: None Found

Exterior

  • Water Leaks (Sunroof/Moonroof)
    • Description/Symptoms: Water leaking into the cabin, particularly around the sunroof or moonroof.
    • Solution: Cleaning and unclogging the sunroof/moonroof drain tubes. In some cases, resealing the sunroof/moonroof assembly may be necessary.
    • Estimated Cost to Fix: $100 - $500+
    • Recalls: None Found

Interior

  • Heated Seat Failure
    • Description/Symptoms: Heated seats failing to warm up properly or not working at all.
    • Solution: Diagnosis and repair or replacement of the heating element or control module.
    • Estimated Cost to Fix: $200 - $500+ per seat.
    • Recalls: None Found

Summary

The 2015 Jeep Grand Cherokee has a range of potential issues across different engine options and vehicle systems. Engine-related issues vary depending on the engine, with the potential for costly repairs on the EcoDiesel engine in particular. The 8-speed transmission can also experience problems that may lead to expensive repairs. Electrical gremlins and air suspension failures are also common concerns. Overall, the severity and cost of these issues can range from minor inconveniences to major repairs, so a thorough inspection and maintenance history review are essential before purchasing a used 2015 Jeep Grand Cherokee.

Jeep, Grand Cherokee
Jeep Grand Cherokee 2015
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