Chevrolet Cobalt Service & Repair Manual: Air Gap, Adjustment

Chevrolet Cobalt Service & Repair Manual / Air Conditioning & Heater / Component Replacement & Adjustment / Air Gap, Adjustment

1. Evacuate system as outlined under "Refrigerant Recovery" in "General Service" on main menu selection.
2. Raise and support vehicle.
3. Remove righthand front fender inner liner screws and pin type retainers, then the liner.
4. Rotate drive belt tensioner counterclockwise to release tensioner spring tension.
5. Remove drive belt.
6. Disconnect A/C compressor electrical connector.
7. Remove A/C compressor hoses from compressor, Fig. 1, then seal hose opening.
8. Remove and discard sealing washers.
9. Remove compressor mounting bolts, Fig. 2, then the compressor.
10. Carefully clean clutch plate bolt threads with a M6 x 1.0 tap. Carefully blow out debris with compressed air.
11. Slide compressor clutch coil onto compressor, Fig. 3.
12. Install compressor clutch coil snap ring using suitable snap ring pliers.
13. Place a small amount of oil on 0.016 inch air gap shim and place inside clutch drive plate.
14. Install compressor clutch plate.
15. Measure air gap between pulley and drive plate, then adjust shims to achieve a 0.012-0.024 inch air gap, Fig. 4. Ensure drive plate does not drag against pulley when pulley is rotated.
16. Make certain that new drive plate bolt has colored adhesive on at least 5 threads. Install the clutch drive plate bolt using clutch plate holding tool No. J 37872, or equivalent, Fig. 5.
17. Torque compressor clutch drive plate bolt to 106 inch lbs.

Fig. 1 A/C compressor hoses & seal removal

Fig. 2 Exploded view of compressor replacement

Fig. 3 Install dutch pulley onto compressor

Fig. 4 Compressor clutch air gap adjustment

Fig. 5 Clutch plate holding tool & bolt installation

    Refrigerant Line O-Ring, Replace
    Caution: Air conditioning R-134a liquid refrigerant is capable of harming eyes or freezing skin. Always wear safety goggles and avoid contact with liquid refrigerant. Failure to follow ...

    Blower Motor Resistor, Replace
    1. Disconnect blower motor resistor electrical connector, Fig. 1. 2. Unsnap blower motor resistor from HVAC module, then remove res ...

    See also:

    Chevrolet Cobalt Service & Repair Manual. Door Handle
    Exterior Front 1. Remove front door trim panel as outlined in "Door Trim Panel." 2. Remove front door water deflector. 3. Remove three front door handle retaining screws, Fig. 1. ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


    Copyright © 2024 www.cheviguide.com - Chevrolet Auto Manuals - 0.0046