Air Conditioning Accumulator Replacement (Non-HP2)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Accumulator & Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) , Refrigerant Recovery and Recharging (HP2) .
1	Suction Hose Nut CAUTION: Refer to Fastener Caution . TIP: Large A/C compressor hose to A/C evaporator. Tighten 16 N.m (12 lb ft)
2	A/C Suction Hose
3	Sealing Washer TIP: Remove and discard sealing washer. Refer to Air Conditioning System Seal Replacement .
4	Accumulator Mounting Bracket Nut Tighten 16 N.m (12 lb ft)
5	Accumulator Nut Tighten 16 N.m (12 lb ft)
6	Sealing Washer TIP: Remove and discard sealing washer. Refer to Air Conditioning System Seal Replacement .
7	Accumulator TIP: Replacement service accumulators are shipped dry (no PAG oil). Add proper amount of oil to system before operating. Refer to Refrigerant System Specifications (Non-HP2) , Refrigerant System Specifications (HP2) .