The Dodge Journey 2.4L engine uses a serpentine belt to drive multiple accessories. This guide will help you understand the belt routing and replacement process.

Serpentine Belt Diagram

The serpentine belt for the Dodge Journey 2.4L engine follows this routing:

1. Crankshaft pulley

2. Alternator

3. Air conditioning compressor

4. Power steering pump

5. Idler pulley

6. Tensioner pulley

The belt wraps around these components in a specific pattern, ensuring proper tension and function of all accessories.

Belt Replacement

To replace the serpentine belt on your Dodge Journey 2.4L:

1. Locate the belt tensioner near the bottom of the engine.

2. Use a 15mm wrench to rotate the tensioner counterclockwise, releasing tension on the belt.

3. Slip the old belt off the pulleys, noting the routing.

4. Install the new belt, following the same routing as the old one.

5. Release the tensioner to apply proper tension to the new belt.

Ensure the belt is fully seated in all pulley grooves before starting the engine.

Important Considerations

  • Always use a belt of the correct length and width for your specific model year.
  • Inspect the belt for signs of wear, such as cracks, fraying, or glazing.
  • Check all pulleys for smooth operation and proper alignment.
  • The typical serpentine belt length for a 2009-2020 Dodge Journey 2.4L is approximately 2579mm.

Regular inspection and timely replacement of the serpentine belt can prevent unexpected breakdowns and ensure optimal engine performance.

FAQs About Dodge Journey 2.4 Serpentine Belt

    • How often should I replace the serpentine belt?
      Typically every 60,000 to 100,000 miles, but check your owner's manual for specific recommendations.
    • Can I drive with a broken serpentine belt?
      No, a broken belt will cause loss of power steering, alternator function, and air conditioning. It's unsafe to drive in this condition.
    • How do I know if my serpentine belt needs replacement?
      Look for visible cracks, fraying edges, or a glazed appearance. Squealing noises during operation can also indicate a worn belt.