Hose/Line HVAC: Service and Repair

A/C Line Routing:

Tool Required:
J 38042 Dual 0-Ring Joint Separator
J 39400 ACR 4 Machine

Important
^ Brazed fittings are on the condenser and evaporator. These fittings cannot be turned because the fitting is brazed to the pipe. It is important that the service technician recognize which fitting is to be turned and use backup wrenches. The brazed fitting not to be turned is always the same color as the pipe it is brazed to (unpainted or unplatted aluminium).

Remove or Disconnect

^ Recover refrigerant from A/C system.
1. Condenser outlet dual O-ring joint using J 38042.
2. Evaporator inlet dual O-ring joint using J 38042.
3. A/C line clips.
4. High-side (liquid) refrigerant line.

Install or Connect

1. A/C line clips after positioning high-side (liquid) refrigerant line.
2. Condenser outlet and evaporator inlet dual O-ring joints simultaneously (hand tight) to assure correct line orientation, then tighten connections to specifications.

Tighten
^ Dual O-ring joint connections to 24 N.m (18 lb. ft.).

^ Evacuate, charge and leak test A/C system.