Four Seasons A/C Clutch Cycle Switch P/N:36674
The Four Seasons 36675 switch for the 1989-1993 Chevrolet C1500 and other vehicles is a system-mounted cycling pressure switch that cycles the A/C compressor clutch based on system pressure.
A switch that is going bad can show up as A/C that blows warm air, or as a compressor clutch that won't engage or cycles erratically. Before you replace the switch, rule out a low refrigerant charge, a blown fuse or a faulty relay, since any of them can also keep the clutch from engaging and a shop can test for them.
It is listed for a wide range of Chevrolet, Buick, GMC, Oldsmobile and Pontiac models, including the 1989-1993 Chevrolet K1500 and the 1989-1993 Chevrolet Suburban. If your vehicle isn't named here, enter its year and engine in the "Vehicles it fits" section.
Gaskets, o-rings or seals to replace the switch properly.
Does this Suburban switch fit a 1989-1993 Chevrolet Suburban?
Yes. The Four Seasons 36675 is listed for the 1989-1993 Chevrolet Suburban. For other years and engines, look up your vehicle in the "Vehicles it fits" section.
Does the Four Seasons 36675 include gaskets, o-rings or seals?
Yes. The Four Seasons 36675 contains gaskets, o-rings or seals so the switch can be replaced properly.
Is this A/C cycling switch zinc coated?
Yes. This switch is zinc coated to resist corrosion, and it is color coded for easy identification.
How do I know if the A/C clutch cycle switch is going bad?
Warm air from the vents, or a compressor clutch that won't engage or cycles erratically, can be signs of a failing switch. A shop can test the system to confirm.
Is this cycling pressure switch made for specific vehicles?
Yes. It is a system-mounted cycling pressure switch with vehicle-specific applications, from Four Seasons, a brand with over 50 years of mobile A/C experience.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.