Demystifying the 1999 Jeep Cherokee Serpentine Belt: StepbyStep Guide and Troubleshooting Tips

Last Updated on August 18, 2023

Are you the proud owner of a 1999 Jeep Cherokee? Perhaps you’ve found yourself in need of a serpentine belt diagram for its 6 Cylinder 4.0 Liter engine.

Well, look no further! In this article, we will guide you through the intricate web of belts and pulleys, helping you understand how to properly install and maintain your serpentine belt.

Whether you’re a seasoned car enthusiast or a novice DIYer, this comprehensive diagram will ensure that you can tackle this task with ease. So, grab your tools and get ready to dive into the world of serpentine belts – your Jeep will thank you!

1999 jeep cherokee serpentine belt diagram

Below is the serpentine belt diagram for a 1999 Jeep Cherokee with a 6 Cylinder 4.0 Liter engine. Please note that this diagram is specifically for the right-hand drive model.

Key Points:

  • Serpentine belt diagram for a 1999 Jeep Cherokee 6 Cylinder 4.0 Liter engine
  • Diagram is for the right-hand drive model
  • Shows the layout and routing of the serpentine belt
  • Provides visual reference for belt installation and replacement
  • Specific to the Jeep Cherokee model from 1999
  • Helps ensure correct belt installation for optimal engine performance


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💡 Pro Tips:

1. Before attempting to replace the serpentine belt on your 1999 Jeep Cherokee, it’s important to make note of the belt routing diagram. This diagram will ensure that you properly install the new belt and avoid any potential issues.

2. When locating the serpentine belt routing diagram, be sure to look in the engine compartment. Often, manufacturers will affix a sticker or label that displays the diagram in a visible location, such as near the front of the engine or on the underside of the hood.

3. If you are unable to locate the serpentine belt diagram in your engine compartment, consult the owner’s manual for your 1999 Jeep Cherokee. The manual should contain a detailed diagram or instructions for replacing the serpentine belt specifically for your vehicle’s make and model.

4. While replacing the serpentine belt, it is a good idea to also inspect the other components of the belt drive system. This includes the tensioner pulley, idler pulley, and any other accessories driven by the belt. Look for signs of wear, damage, or excessive play, as these components may need to be replaced along with the belt.

5. For additional reference, consider taking a photo or making a sketch of the current belt routing before removing it. This will serve as a visual aid when installing the new serpentine belt, helping to ensure that it is correctly threaded around all pulleys and accessories.


The serpentine belt on a 1999 Jeep Cherokee is a crucial component that plays a vital role in the vehicle’s engine performance. It is responsible for driving multiple engine accessories, such as the alternator, power steering pump, and air conditioning compressor.

Understanding the serpentine belt system, its diagram, and specific details for the 1999 Jeep Cherokee’s 6 Cylinder 4.0 Liter engine is essential for proper maintenance and troubleshooting.

Overview Of Serpentine Belt System

The serpentine belt system in a 1999 Jeep Cherokee is a single, long belt that wraps around various pulleys located on engine accessories. Unlike older vehicles that had separate belts for each accessory, the serpentine belt simplifies the design and improves reliability.

As the engine operates, the serpentine belt transfers rotational power from the crankshaft pulley to all connected accessories, allowing them to function simultaneously. This system is highly efficient and helps optimize engine performance.

The key components of the serpentine belt system include:
– Crankshaft pulley: receives power from the engine’s crankshaft and drives the belt
– Tensioner pulley: maintains proper belt tension by applying pressure to the belt
– Idler pulleys: assist in routing the belt and provide additional support
– Drive pulleys: located on various accessories and transmit power to them

Serpentine Belt Diagram For 1999 Jeep Cherokee

Visualizing the serpentine belt diagram is crucial for proper installation or replacement. Below is a detailed diagram illustrating the correct routing for a 1999 Jeep Cherokee with a 6 Cylinder 4.0 Liter engine:

Diagram Description:

  • Belt starts from the crankshaft pulley (bottom left) and makes a loop around various pulleys. – From the crankshaft pulley, it goes to the power steering pump pulley (top left).

  • Next, it wraps around the idler pulley (top right) and then the A/C compressor pulley (bottom center). – It then goes to the tensioner pulley (top center) before reaching the alternator pulley (top right).

  • Finally, it completes the loop by going around the water pump pulley (bottom right).

Please refer to the diagram for a clear understanding of the serpentine belt routing in a 1999 Jeep Cherokee.

Engine Specification: 6 Cylinder 4.0 Liter

The 1999 Jeep Cherokee is available with various engine options, and for the purpose of this article, we will focus on the 6 Cylinder 4.0 Liter engine. This engine is renowned for its durability and performance, making it a popular choice among Jeep enthusiasts.

With a displacement of 4.0 liters and six cylinders, it delivers ample power and reliable operation.

Diagram For Right-Hand Drive Model

For those with a right-hand drive model, it’s important to ensure that the serpentine belt diagram matches the vehicle’s configuration. In the case of a 1999 Jeep Cherokee with a right-hand drive, the serpentine belt diagram remains the same as the left-hand drive model mentioned above.

The routing and connection points will be identical, ensuring the correct functionality of the belt system.


Understanding the serpentine belt system and having access to a detailed diagram can greatly assist in proper installation, replacement, and troubleshooting. It is vital to refer to the specific serpentine belt diagram for a 1999 Jeep Cherokee with a 6 Cylinder 4.0 Liter engine, as well as considering the right-hand drive model if applicable.

By having a clear understanding of these details, Jeep owners can ensure optimal engine performance and avoid potential issues related to the serpentine belt system. Remember to consult a professional mechanic for any specific concerns or if troubleshooting becomes necessary.

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