Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999PICKUP C2500, 2D PICKUP, 6.5 F, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 671 (HEATING, VENTILATION AND AIR CONDITIONING)REPAIR INSTRUCTIONSCOMPRESSOR CONTROL SWITCHES INSTALL (V5 - CONVENTIONAL MOUNT)TOOLS REQUIRED
1999 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, Standard
Tools Required
1999 Chevrolet Pickup C2500, 2D Pickup, 6.5 F, StandardSECTION Tools Required
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
J 5403 Snap Ring Pliers
- Inspect the switch cavity and the O-ring groove in the rear head for dirt or foreign material.
Clean the cavity and groove as necessary.
- Coat the new O-ring using clean 525 viscosity refrigerant oil.
- Install the O-ring into the groove in the switch cavity.
- Lubricate the switch housing using clean 525 viscosity refrigerant oil.
- Carefully insert the switch (3 or 4) into the switch cavity until the switch bottoms in the cavity.
- Using the J 5403 , install the switch retaining ring with the high point of the curved sides adjacent to the switch housing.
- Ensure that the retaining ring is seated in the retaining ring groove in the switch cavity.
- Evacuate and recharge the system.
- Perform a leak test. Refer to Compressor Leak Testing (V5 - Conventional Mount) or Compressor Leak Testing (V5 Direct Mount) .
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.