Four Seasons 77547 A/C Compressor

Overview of Four Seasons Reman Compressor 77547

The Four Seasons Reman Compressor 77547 is designed specifically for Saab 9-3 models, providing reliable air conditioning performance. This remanufactured A/C compressor is engineered to meet OEM specifications and ensure compatibility with R134a refrigerant systems.

• Compatible with Saab 9-3 vehicles
• Designed for R134a refrigerant and PAG 46 oil
• Includes clutch and heat sensor switch
• Features a 6-groove serpentine pulley
• 12-volt coil voltage with pin terminal type

Features and Specifications

This Four Seasons A/C compressor is a remanufactured unit from the Reman Compressor product line, which focuses on restoring compressors to original factory standards. The 77547 model uses a TRF105 compressor type with a tangent mount and includes oil filling for optimal lubrication. It supports a heat switch type sensor and comes with both clutch and switch included for a complete replacement solution.

• Refrigerant Type: R134a
• Compatible Refrigerant Oil: PAG 46
• Switch Type: Heat switch with included heat sensor
• Oil Filled: Yes, included
• Pulley Groove Quantity: 6 grooves for serpentine belt
• Terminal Type: Pin
• Coil Voltage: 12 volts
• Mounting Type: Tangent mount with 40.64 mm mount distance
• Clutch Diameter: 4.0 inches, clutch included
• Discharge and Suction Ports: O-ring sealed
• O-Rings Included: Green o-rings [24613] and [24622]

Detailed Product Description

The Four Seasons Reman Compressor 77547 is engineered to restore the air conditioning system of Saab 9-3 vehicles to proper working condition. This remanufactured compressor is compatible with R134a refrigerant and uses PAG 46 oil, ensuring efficient lubrication and system performance. The included clutch and heat sensor switch simplify installation and system integration. The 6-groove serpentine pulley design matches factory specifications, providing reliable belt engagement and power transmission. The compressor’s tangent mount and precise mounting distance ensure a secure fit, while the O-ring sealed discharge and suction ports help prevent leaks.

Common Applications and Problem Resolution

• Replacement for failed or noisy A/C compressors in Saab 9-3
• Restores proper refrigerant flow and pressure in R134a systems
• Solves clutch engagement issues with included clutch assembly
• Addresses heat sensor switch failures affecting compressor cycling
• Prevents refrigerant leaks with included O-rings and sealed ports

Installation Notes and Tips

When installing the Four Seasons Reman Compressor 77547, ensure the system is properly evacuated and flushed before installation. Use PAG 46 oil as specified to maintain lubrication. The included clutch and heat sensor switch simplify replacement, but mounting hardware is not included and must be reused or sourced separately. Verify the 6-groove serpentine belt condition and replace if worn. Confirm the correct orientation of the coil wire lead and terminal connections for proper electrical function.

Quality Assurance and Warranty

This remanufactured compressor undergoes rigorous testing to meet OEM standards for performance and durability. Four Seasons provides a limited warranty on the Reman Compressor product line, covering defects in materials and workmanship. This warranty supports the reliability of the 77547 compressor for Saab 9-3 applications, ensuring confidence in your replacement part.