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.
2004 GMC Jimmy (CANADA) V6-4.3LFACTORY OEM SERVICE PROCEDURE
Compressor Replacement
COMPRESSOR REPLACEMENT
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner outlet duct.
3. Remove the drive belt.
4. Disconnect the A/C compressor clutch coil electrical connector (1).
5. Disconnect the A/C high pressure switch electrical connector (2).
6. Remove the compressor hose assembly from the compressor.
IMPORTANT Do not disconnect the compressor hose assembly from the condenser or the accumulator.
7. Remove the compressor sealing washers and discard.
8. Remove the nut and throttle control cable bracket from the throttle body.
9. Remove the compressor mounting bolts.
10. Remove the compressor from the vehicle.
11. If replacing the compressor, balance the refrigerant oil.
INSTALLATION PROCEDURE
1. Install the new compressor to the vehicle.
2. Install the compressor mounting bolts.
NOTE: Refer to Fastener Notice in Service Precautions. Vehicle Damage Warnings
Tighten
Tighten the bolts to .........50 N.m (37 lb ft).
3. Install the throttle control cable bracket and nut to the throttle body.
Tighten
Tighten the nut to .....12 N.m (106 lb in).
4. Install new compressor hose assembly sealing washers.
5. Install the compressor hose assembly to the compressor.
6. Connect the A/C high pressure switch electrical connector (2).
7. Connect the A/C compressor clutch coil electrical connector (1).
8. Install the drive belt.
9. Install the air cleaner outlet duct.
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
11. Leak test the fittings components using the J 39400-A.
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner outlet duct.
3. Remove the drive belt.
4. Disconnect the A/C compressor clutch coil electrical connector (1).
5. Disconnect the A/C high pressure switch electrical connector (2).
6. Remove the compressor hose assembly from the compressor.
IMPORTANT Do not disconnect the compressor hose assembly from the condenser or the accumulator.
7. Remove the compressor sealing washers and discard.
8. Remove the nut and throttle control cable bracket from the throttle body.
9. Remove the compressor mounting bolts.
10. Remove the compressor from the vehicle.
11. If replacing the compressor, balance the refrigerant oil.
INSTALLATION PROCEDURE
1. Install the new compressor to the vehicle.
2. Install the compressor mounting bolts.
NOTE: Refer to Fastener Notice in Service Precautions. Vehicle Damage Warnings
Tighten
Tighten the bolts to .........50 N.m (37 lb ft).
3. Install the throttle control cable bracket and nut to the throttle body.
Tighten
Tighten the nut to .....12 N.m (106 lb in).
4. Install new compressor hose assembly sealing washers.
5. Install the compressor hose assembly to the compressor.
6. Connect the A/C high pressure switch electrical connector (2).
7. Connect the A/C compressor clutch coil electrical connector (1).
8. Install the drive belt.
9. Install the air cleaner outlet duct.
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
11. Leak test the fittings components using the J 39400-A.
Factory Service Tools
Use the Manual With the Right Hardware
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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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