Restrictor, removing and installing: Installing

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NOTE:

Only install restrictors of the same type. Restrictors of different color have different bore diameters → Refrigerant R134a/Refrigerant Oil Capacities and Specifications .

Fig 1: Restrictor, Removing/Installing

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Ensure correct positioning of restrictor - B - on installation (arrow on restrictor pointing towards evaporator).

Restrictor must be snugly positioned in refrigerant line

Check correct positioning of O-ring - C - (7.5 mm; 1.5 mm ) in groove.
Replace O-ring - D - ;
Check type of seal at connections and refrigerant lines (must be designed for same type of seal) → Connections of refrigerant lines to the components (different versions)
Lubricate restrictor O-ring slightly with refrigerant oil before installing.

Install refrigerant lines such that they are not strained.
Tighten threaded connection - A - to 15 Nm.

NOTE:

Check position of refrigerant lines after tightening threaded connection (lines must not make contact with other components).

Evacuate and recharge refrigerant circuit. → 87 - AIR CONDITIONING