Gates 38197 Accessory Drive Belt Tensioner Assembly - Water Pump

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38197 is engineered to maintain optimal tension on the accessory drive belt system. Designed for select Buick, Cadillac, Oldsmobile, and Pontiac models, this tensioner assembly ensures consistent belt performance and longevity.

• Thermoplastic construction for durability and heat resistance
• Single flanged pulley with a 2.05 inch (52 mm) outside diameter
• Three V-ribbed grooves compatible with V-ribbed belts
• Mounting with two holes for secure installation
• Bearing bore inside diameter of 0.67 inch (17 mm)
• Width of 0.59 inch (15 mm) for precise fitment

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly features a thermoplastic material that offers resistance to heat and wear, suitable for the demanding environment of the engine bay. The pulley is flanged to help keep the V-ribbed belt aligned during operation, reducing the risk of belt slippage or misalignment. With three grooves, it is designed specifically for V-ribbed belts, providing consistent contact and tension across the belt surface. The bearing bore inside diameter measures 0.67 inch (17 mm), ensuring compatibility with the shaft and smooth rotation. The overall pulley diameter is 2.05 inches (52 mm), and the width is 0.59 inch (15 mm), matching original equipment specifications for a precise fit.

DriveAlign Premium OE Automatic Belt Tensioner Product Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering exact original equipment (OE) fit and function. This product line is engineered to meet or exceed OE standards, providing reliable tension control for accessory drive belt systems. The 38197 tensioner assembly is part of this line, ensuring it matches the specifications required for proper operation in compatible vehicles.

Compatible Vehicles and Common Applications

This belt tensioner assembly is compatible with various Buick, Cadillac, Oldsmobile, and Pontiac models, including:

• Buick Aurora
• Cadillac DeVille, DTS, Eldorado, Seville
• Oldsmobile Aurora
• Pontiac Bonneville, Grand Prix

It is designed to maintain proper tension on the accessory drive belt system, which drives components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by This Belt Tensioner

• Excessive belt noise due to improper tension
• Premature belt wear or slippage
• Loss of accessory drive system performance
• Vibration or misalignment of the belt
• Failure of the tensioner pulley bearing

Installation Notes and Tips

• Ensure the mounting surface is clean and free of debris before installation
• Verify the correct orientation of the tensioner assembly during installation
• Use proper tools to avoid damage to the thermoplastic pulley or bearing
• Check belt alignment and tension after installation
• Refer to vehicle-specific service manual for torque specifications

Quality Assurance and Warranty Information

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38197 is manufactured to meet original equipment standards, ensuring reliable performance and durability. Gates provides a limited warranty covering defects in material and workmanship, supporting confidence in the product's quality and longevity.