2022 Jeep Cherokee Serpentine Belt Routing & Length

Quick Answer

• Belt Length: Approximately 106.5 inches (for 3.2L V6 engine)
• Rib Count: 6-rib
• OEM Belt PN: Check with Mopar Parts, often 68254209AB (for 3.2L V6 engine)
• Aftermarket Cross-references:
  • Gates K061065
  • Dayco 5061065
  • Continental Elite 4061065
• Auto-Tensioner PN: Check with Mopar Parts, often 68254199AB (for 3.2L V6 engine)
• Idler Pulley PN: Check with Mopar Parts, often 04627041AA (for 3.2L V6 engine)

Belt Routing (3.2L V6 Engine)

Before you begin any work, always take a clear photograph of the existing belt routing. This will serve as an invaluable reference during reinstallation.

The serpentine belt on your 2022 Jeep Cherokee with the 3.2L V6 engine follows a specific path to drive various accessories. Here's a step-by-step description of the routing:

1. Crankshaft Pulley: The journey begins at the crankshaft pulley, which is the largest pulley located at the bottom center of the engine. This pulley drives all the other components.
2. A/C Compressor: From the crankshaft, the belt typically travels upwards to the air conditioning (A/C) compressor pulley.
3. Idler Pulley: Next, the belt usually goes over an idler pulley. Idler pulleys help maintain proper belt tension and routing.
4. Alternator: After the idler, the belt will route to the alternator pulley, which is responsible for generating electrical power for your vehicle.
5. Power Steering Pump (if equipped): If your Cherokee has a hydraulic power steering pump (some models may have electric power steering), the belt will route around its pulley.
6. Water Pump: The belt then proceeds to the water pump pulley, which circulates coolant throughout the engine to prevent overheating.
7. Tensioner: Finally, the belt wraps around the automatic tensioner pulley. The tensioner applies constant pressure to the belt, ensuring it stays taut and prevents slippage.

How to Replace the Serpentine Belt

Replacing the serpentine belt on your 2022 Jeep Cherokee usually requires a serpentine belt tool or a 3/8" drive breaker bar. The automatic tensioner has a square opening designed for this tool.

1. Locate the Automatic Tensioner: Identify the automatic tensioner pulley. It will have a square hole for your tool.
2. Relieve Tension: Insert your serpentine belt tool or 3/8" breaker bar into the tensioner's square hole. Rotate the tensioner to relieve tension on the belt. This will allow you to slip the old belt off the pulleys.
3. Remove Old Belt: Carefully remove the old belt from all the pulleys.
4. Inspect Pulleys: While the belt is off, inspect all pulleys for any signs of wear, damage, or excessive play. Ensure they spin freely and quietly.
5. Install New Belt: Route the new belt according to the diagram you photographed or the routing description above. Start by placing it on all the fixed pulleys, leaving the tensioner pulley for last.
6. Tension the New Belt: Again, use your serpentine belt tool or breaker bar to rotate the tensioner, creating enough slack to slide the new belt over the tensioner pulley. Slowly release the tensioner to allow it to apply proper tension to the new belt.
7. Double-Check Routing: Ensure the belt is properly seated in all the pulley grooves. Start the engine briefly and check for any unusual noises or belt slippage.

Replacement Interval

The serpentine belt on your 2022 Jeep Cherokee is a crucial component, and its lifespan can vary depending on driving conditions and maintenance. As a general guideline, it's a good idea to inspect your serpentine belt every 30,000 to 50,000 miles or every few years. Many manufacturers recommend replacement between 60,000 and 100,000 miles. Always refer to your vehicle's owner's manual for the most accurate and manufacturer-recommended service intervals.

Signs of a Failing Belt or Tensioner

Promptly addressing issues with your serpentine belt or tensioner can prevent more significant problems. Look out for these warning signs:

• Squealing or Chirping Noises: This is one of the most common indicators of a failing belt. It can be caused by belt wear, misalignment, or a failing tensioner.
• Cracks, Fraying, or Glazing on the Belt: Visible damage to the belt surface is a clear sign it needs replacement.
• Loss of Power to Accessories: If your power steering feels heavy, your A/C isn't as cold, or your battery isn't charging, it could be due to a slipping or broken serpentine belt.
• Loose or Wobbly Idler/Tensioner Pulley: A failing idler or tensioner pulley can cause excessive belt vibration, noise, and eventual belt failure.
• Illuminated Battery Light: If the alternator isn't spinning correctly due to a slipping belt, your battery warning light may illuminate.

Note on Engine Options: The part numbers and routing descriptions provided are for the 3.2L V6 engine. If your 2022 Jeep Cherokee is equipped with a different engine (e.g., 2.4L Tigershark or 2.0L Turbo), the belt length, rib count, and specific part numbers will vary. Always verify the correct parts for your specific engine configuration with a reputable parts supplier or your owner's manual.

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