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.
2002 Chevrolet Express 3/4 Ton Van V8-6.5L DSL Turbo VIN FFACTORY OEM SERVICE PROCEDURE
Compressor Control Switches Removal (HT6/HD6/HU6)
TOOLS REQUIRED
^ J 34992 Compressor Holding Fixture
^ J 5403 Snap Ring Pliers
^ J 9553-01 O-Ring Remover
1. Install the compressor into the J 34992.
2. Remove the switch retaining ring using the J 5403.
3. Remove the switch (2) from the compressor.
4. Remove the old O-ring seal from the switch cavity using the J 9553-01.
5. Inspect the switch cavity and the O-ring groove in the rear head for dirt or foreign material. Clean the components as necessary.
For a description of the RPO Code(s) shown in this article/images refer to the RPO Code List found at Vehicle/Application ID. RPO Codes
^ J 34992 Compressor Holding Fixture
^ J 5403 Snap Ring Pliers
^ J 9553-01 O-Ring Remover
1. Install the compressor into the J 34992.
2. Remove the switch retaining ring using the J 5403.
3. Remove the switch (2) from the compressor.
4. Remove the old O-ring seal from the switch cavity using the J 9553-01.
5. Inspect the switch cavity and the O-ring groove in the rear head for dirt or foreign material. Clean the components as necessary.
For a description of the RPO Code(s) shown in this article/images refer to the RPO Code List found at Vehicle/Application ID. RPO Codes
Factory Service Tools
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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.
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