Aux Belt Tensioner - Gates - T39006 - V-Ribbed

This Aux Belt Tensioner, part number T39006 from Gates, is designed for V-ribbed belt systems. It ...

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Product Information

Full details

This Gates T39006 Aux Belt Tensioner is designed for V-ribbed belt systems in specific BMW models. It offers reliable tensioning for optimal accessory drive performance, ensuring components like the alternator and power steering pump function correctly. A potential caveat is the need for precise fitment verification before purchase due to its specific vehicle application.

All features

Model Part NumberT39006
BrandGates

Extended Product Information

FAQs

What is an auxiliary belt tensioner?

An auxiliary belt tensioner, also known as an serpentine belt tensioner, is a component that maintains the correct tension on the accessory drive belt. This ensures that pulleys for components like the alternator, power steering pump, and air conditioning compressor rotate at the correct speed.

How do I know if my tensioner needs replacing?

Common signs include a squealing or chirping noise from the belt area, a visibly loose or flapping belt, or the illumination of the battery or other warning lights due to a non-functioning alternator or accessory.

What is DriveAlign™ technology?

DriveAlign™ is a technology developed by Gates that aims to ensure optimal belt tension and alignment, contributing to longer belt and tensioner life and preventing premature wear.

Can I use this tensioner on a different BMW model than listed?

It is strongly recommended to only use this tensioner on the specific BMW models and engine variants for which it is designed. Always verify fitment using the provided cross-reference numbers and vehicle compatibility tools.

What is the lifespan of an aux belt tensioner?

The lifespan varies depending on driving conditions and maintenance. However, it is common practice to replace the tensioner when replacing the accessory drive belt, typically around 60,000 to 100,000 miles, or when signs of wear are present.

Does this tensioner come with a new belt?

No, this part number is for the tensioner only. A new accessory drive belt is typically purchased separately.

Troubleshooting

Squealing noise from the belt area

This can indicate a worn belt or a failing tensioner. Inspect the belt for damage and check the tensioner for proper operation and spring tension. Replace as necessary.

Accessory belt is loose or has excessive play

The tensioner may have failed or lost its spring tension. Ensure the correct tensioner is installed and functioning to provide adequate pressure on the belt.

Premature belt wear or damage

A misaligned or faulty tensioner can cause the belt to wear unevenly. Verify the tensioner is properly aligned and applying consistent pressure. Check for any foreign debris in the pulley system.

Pros and Cons

Pros

  • Ensures optimal accessory drive function.
  • Durable design for longevity.
  • Direct replacement for specific BMW models.
  • Utilizes advanced DriveAlign™ technology for belt management.
  • Wide range of cross-references indicates broad compatibility and quality.

Cons

  • Specific fitment requirements mean careful vehicle verification is necessary.
  • Not a universal part; requires precise application matching.
  • Requires professional installation for optimal performance and safety.

Setup, Compatibility & Care

Compatibility:

This Gates T39006 Aux Belt Tensioner is specifically designed for the following BMW models:

  • BMW 318D E46 2.0D (2003-2005)
  • BMW X5 E53 3.0D (2003-2006)
  • BMW 635D E63, E64 3.0D (2007-2010)

It is essential to verify fitment for your specific vehicle using a make/model tool or by contacting customer support, as it replaces OEM part number BMW 11287786880.

Setup & Installation:

Installation of an auxiliary belt tensioner should be performed by a qualified mechanic. The process typically involves:

  1. Disconnecting the battery.
  2. Removing the accessory drive belt.
  3. Unbolting and removing the old tensioner.
  4. Installing the new Gates T39006 tensioner.
  5. Reinstalling the accessory drive belt.
  6. Reconnecting the battery and checking belt tension.

Care:

This component is designed to be maintenance-free. However, regular inspection of the accessory drive belt for wear, cracks, or fraying is recommended. If the belt shows signs of damage, it should be replaced along with the tensioner, as a worn belt can accelerate wear on a new tensioner.

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