Forward Flushing Setup

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Flushing is not intended to remove metal from the A/C system.

Flushing is intended to remove the following:

Contaminated polyalkylene glycol (PAG) oil
Desiccant, following a desiccant bag failure
Overcharge of PAG oil
Refrigerant contamination

Fig 1: Forward Flushing Setup

Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

Forward flow refrigerant flushing is recommended for contaminated refrigerant or PAG oil.
Inspect and lubricate the J 45268 fitting O-rings. See Special Tools . Refer to O-Ring Replacement .

Install the J 45268-7 (2) onto the suction line adapter block J 45268-13 (1).
Install the J 45268-8 (3) onto the discharge line adapter block J 45268-12 (4).