Four Seasons 77499 A/C Compressor

Reliable A/C Compressor for Buick, Chevrolet, Pontiac, and Saturn

The Four Seasons Reman Compressor 77499 is designed to restore your vehicle's air conditioning system performance. Engineered for select Buick Montana, Chevrolet Uplander, Pontiac Relay, and Saturn Terraza models, this remanufactured A/C compressor ensures compatibility and efficient cooling with R134a refrigerant.

Key Features of Four Seasons Reman Compressor 77499

• Compatible refrigerant type: R134a
• Includes oil filled with PAG 46 compatible refrigerant oil
• 6-groove serpentine pulley for reliable belt engagement
• Pin-type electrical terminal with 12V coil voltage and 1 wire lead coil clock position
• Compressor type: MSC105CG2 with tangent mount installation
• Includes clutch assembly with a maximum diameter of 4.000 inches
• Sealing washer type suction and discharge ports for secure connections
• Includes O-rings (part numbers 24404 and 24402) for proper sealing
• Remanufactured unit meeting OEM specifications

About the Four Seasons Reman Compressor Product Line

The Reman Compressor line by Four Seasons offers remanufactured A/C compressors that meet strict quality and performance standards. These compressors are rebuilt to OEM specifications, including the replacement of critical components and thorough testing. The 77499 model provides a cost-effective solution for restoring air conditioning function in compatible vehicles without compromising reliability.

Detailed Product Description

This Four Seasons Reman Compressor 77499 is specifically designed for use with R134a refrigerant and includes PAG 46 oil to ensure proper lubrication and system longevity. The compressor features a 6-groove serpentine pulley with a 4.000-inch diameter and a pin-type terminal for electrical connection. The clutch assembly is included, with a maximum diameter of 4.000 inches, and the coil operates at 12 volts with a single wire lead. The tangent mount style allows for secure installation, with a distance from clutch to mounting flange of approximately 0.859 inches. Both suction and discharge ports use sealing washers to maintain system integrity, and the unit comes with necessary O-rings for proper sealing. Mounting hardware is not included, so ensure you have the appropriate fasteners for installation.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Buick Montana, Chevrolet Uplander, Pontiac Relay, and Saturn Terraza
• Replaces failing or noisy compressors causing insufficient cooling
• Solves clutch engagement problems with included clutch assembly
• Addresses refrigerant leaks at compressor ports with included O-rings and sealing washers
• Improves system reliability by providing a remanufactured compressor meeting OEM specs

Installation Notes and Tips

• Verify vehicle compatibility with Buick Montana, Chevrolet Uplander, Pontiac Relay, or Saturn Terraza before installation
• Ensure the system is evacuated and properly charged with R134a refrigerant and PAG 46 oil
• Check pulley alignment and serpentine belt condition during installation
• Use appropriate mounting hardware as it is not included with this compressor
• Inspect and replace any worn O-rings or seals to prevent leaks

Quality Assurance and Warranty

The Four Seasons Reman Compressor 77499 undergoes comprehensive remanufacturing processes to meet OEM standards, including component replacement and performance testing. This ensures reliable operation and compatibility with specified vehicle models. Warranty coverage details should be confirmed with the distributor or installer, as they may vary.