2017 Nissan Titan Serpentine Belt: Routing, Replacement, & Part Numbers

Quick Answer

• Belt Length: 2275mm (89.5 inches)
• Rib Count: 6-rib
• OEM Belt Part Number: 11720-EZ30A (for 5.6L V8 engine)
• Aftermarket Cross-References:
  • Gates: K060895
  • Dayco: 5060895
  • Continental Elite: 4060895
• Auto-Tensioner Part Number: 11750-EZ30A (for 5.6L V8 engine)
• Idler Pulley Part Number: 11925-EZ30A (for 5.6L V8 engine)

Belt Routing (5.6L V8 Engine)

Before you begin any work, it's highly recommended to take a clear photograph of your current serpentine belt routing. This will serve as an invaluable reference during reinstallation.

The serpentine belt on your 2017 Nissan Titan (5.6L V8 engine) weaves through several pulleys to drive essential accessories. Starting from the crankshaft pulley, the belt typically follows this path:

1. Crankshaft Pulley: The belt originates and receives power from the crankshaft pulley.
2. A/C Compressor: From the crankshaft, the belt goes to the air conditioning compressor pulley.
3. Idler Pulley: The belt then routes over the idler pulley, which helps guide the belt and maintain proper tension.
4. Alternator: Next, the belt typically wraps around the alternator pulley.
5. Power Steering Pump: The belt then extends to the power steering pump pulley.
6. Water Pump: After the power steering pump, the belt usually goes around the water pump pulley.
7. Auto-Tensioner: Finally, the belt passes over and is tensioned by the automatic serpentine belt tensioner.

Keep in mind that exact routing can vary slightly depending on specific engine options or trim levels within the 2017 Nissan Titan lineup. Always double-check your specific vehicle's configuration, ideally by observing the existing belt.

How to Replace the Serpentine Belt

Replacing the serpentine belt on your 2017 Nissan Titan requires a serpentine belt tool or a 3/8-inch breaker bar, which fits into the square drive opening on the tensioner assembly. The general steps are as follows:

1. Locate the Tensioner: Identify the automatic serpentine belt tensioner. It will have a square opening for your tool.
2. Relieve Tension: Insert your serpentine belt tool or breaker bar into the tensioner and rotate it to release tension on the belt. This will allow you to remove the belt from the pulleys.
3. Remove Old Belt: Carefully remove the old belt from all pulleys, paying close attention to the routing, and referencing your photograph if needed.
4. Inspect Pulleys: While the belt is off, inspect all pulleys for any signs of wear, wobbling, or excessive play. Ensure they spin freely and smoothly.
5. Install New Belt: Route the new belt according to the correct path, leaving the final pulley (usually the tensioner or an easily accessible idler) for last.
6. Re-tension: Once the belt is properly routed on all other pulleys, use your tool to again relieve tension on the tensioner, slip the belt over the final pulley, and slowly release the tensioner. Ensure the belt seats correctly in all pulley grooves.
7. Verify Routing: Double-check that the belt is correctly seated on all pulleys and follows your original routing path.

Replacement Interval

While there isn't a universally strict replacement interval for serpentine belts, most manufacturers recommend inspection at every oil change and replacement around 60,000 to 100,000 miles, or every 4-5 years, whichever comes first. However, severe driving conditions or signs of wear can necessitate earlier replacement. Always refer to your Nissan Titan's owner's manual for the most accurate and manufacturer-recommended service schedule.

Signs of a Failing Belt or Tensioner

Ignoring a failing serpentine belt or tensioner can lead to significant issues, as these components drive critical systems. Here are common signs to watch for:

• Squealing or Chirping Noises: This is one of the most common indicators of a worn or improperly tensioned belt. It often gets louder when the engine is cold or wet.
• Cracks, Fraying, or Glazing on the Belt: Visually inspect the belt for any visible damage. Cracks on the ribbed side, fraying edges, or a shiny, glazed appearance indicate wear and a need for replacement.
• Loss of Power Steering: If your power steering suddenly becomes difficult or you notice a reduction in assistance, the belt driving the power steering pump may be slipping or broken.
• Overheating Engine: A broken serpentine belt will stop the water pump from circulating coolant, leading to rapid engine overheating.
• Battery Warning Light: If the alternator isn't being driven by the belt, your battery won't be charging, and you'll likely see a battery warning light on your dashboard.
• A/C System Malfunction: The air conditioning compressor won't operate without the belt, leading to a lack of cold air.
• Worn or Loose Tensioner: The automatic tensioner ensures proper belt tension. If the tensioner spring is weak, or the pulley is wobbly, it won't maintain proper tension, causing belt slip and premature wear.

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