Chevrolet Silverado / GMC Sierra. Manual — part 2320

2. Install the A/C compressor bracket mounting bolts.

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

3. Install the A/C belt tensioner.

4. Install the A/C belt tensioner bolts.

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

5. Install the A/C compressor. Refer to Air Conditioning Compressor Replacement (LY2,

LY5, LH6, L76, L92 and LMG) or Air Conditioning Compressor Replacement
(LLY/LMM) or Air Conditioning Compressor Replacement (LU3).

SEALING WASHER REPLACEMENT

Removal Procedure

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 36: Identifying Good And Bad Sealing Washer Positions
Courtesy of GENERAL MOTORS CORP.

1. Remove the seal washer from the A/C refrigerant component.

2. Inspect the seal washer for signs of damage to help determine the root cause of the failure.

3. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.

IMPORTANT: Cap or tape the open A/C refrigerant components

immediately to prevent system contamination.

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

4. Discard the sealing washer.

Installation Procedure

1. Inspect the new seal washer for any signs of cracks, cuts, or damage.

Do not use a damaged seal washer.

2. Remove the cap or tape from the A/C refrigerant components.

IMPORTANT: DO NOT reuse sealing washer.

IMPORTANT: Flat washer type seals do not require lubrication.

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado