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Home >> Mercedes Benz >> 1998 >> C43 >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Manual A/C-Heater Systems - Ml 320, Ml 430 & Ml 55) >> Removal & Installation >> Expansion Valve >> Removal & Installation

Removal & Installation

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Mercedes-Benz ML55, 2001 Mercedes-Benz ML430, 2001 Mercedes-Benz ML320, 2000 Mercedes-Benz ML55, and 2000 Mercedes-Benz ML430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Discharge A/C system, using approved refrigerant recovery/recycling equipment. Without disconnecting coolant hoses, remove coolant expansion reservoir and set aside. Remove refrigerant line bracket and loosen clamps. See Figure . Pull refrigerant lines out of expansion valve.
  2. Remove expansion valve self-locking nut and discard. Remove expansion valve. Discard "O" rings. To install, reverse removal procedure. Use NEW "O" rings lubricated with refrigerant oil. Tighten NEW self-locking nut to specification. See TORQUE SPECIFICATIONS  .
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