Dorman 34236 A/C Compressor Bypass Pulley

A/C Compressor Bypass Pulley for OE Belt Routing

The Dorman 34236 A/C compressor bypass pulley lets the original serpentine belt stay in place while routing around an inoperable A/C compressor. It is a practical repair for drivers who need to keep the accessory drive system operating on select Chevrolet, Pontiac, Buick, and Oldsmobile vehicles.

• Aluminum bracket with a plastic pulley for serviceable belt routing
• Outside diameter: 127 mm
• Built for serpentine belt applications
• Includes mounting bracket, mounting hardware, and installation instructions
• Configured for FS10 compressor applications
• Direct replacement part number: 34236

Vehicle Fitment

• Fits 1996-2002 Chevrolet Cavalier, N/A
• Fits 1996-2002 Pontiac Sunfire, N/A
• Fits 1999-2001 Oldsmobile Alero, N/A
• Fits 1996-2001 Pontiac Grand Am, N/A
• Fits 1997-1999 Chevrolet Malibu, N/A
• Fits 1996-1998 Buick Skylark, N/A
• Fits 1996-1998 Oldsmobile Achieva, N/A

Detailed Description

Dorman 34236 is an A/C compressor bypass pulley assembly that replaces the failed compressor’s belt path with a bracket-mounted pulley. This allows the OE drive belt to continue operating the engine accessories without removing the serpentine belt system from service. It is a fitment-based solution for 1996-2002 Chevrolet Cavalier, 1996-2002 Pontiac Sunfire, 1999-2001 Oldsmobile Alero, 1996-2001 Pontiac Grand Am, 1997-1999 Chevrolet Malibu, 1996-1998 Buick Skylark, and 1996-1998 Oldsmobile Achieva applications using an FS10 compressor layout.

This part cross-references 1135437 for the same application. The Dorman 34236 bypass pulley is built with an aluminum bracket and plastic pulley, and the package includes the bracket, pulley, and installation hardware for a complete replacement assembly.

What It Helps Solve

• Broken or seized A/C compressor pulley causing belt routing issues
• Need to keep the serpentine belt in service after compressor failure
• Accessory drive noise related to a locked compressor
• Loss of belt alignment after A/C compressor removal or bypass
• Repair needs on FS10 compressor-equipped vehicles without replacing the full compressor

Installation Notes and Tips

Verify the vehicle uses the listed FS10 compressor application before installation. Confirm serpentine belt routing and pulley alignment during assembly, and follow the included instructions for bracket placement and hardware installation. Check belt condition and tension after the bypass pulley is installed to help maintain proper accessory drive operation.

Quality Assurance

Dorman supplies this bypass pulley as a replacement solution for restoring belt routing on the listed applications. Part number 34236 is engineered for the specified vehicle fitments and compressor type, with installation instructions included to support a correct repair.