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A/c-Heater System - Automatic: Removal & Installation Subaru SVX I

Automatic HVAC System 3 illustrations ~343 words

REMOVAL & INSTALLATION

WARNINGTo avoid injury from accidental air bag deployment, read and carefully follow all SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM procedures in appropriate AIR BAG RESTRAINT SYSTEM article in ACCESSORIES & ELECTRICAL section.

Remove instrument cluster cover. (Scheme 4) Remove center grille. Remove auto amplifier screws. Disconnect aspirator duct from auto amplifier. Remove auto amplifier from dashboard. To install, reverse removal procedure. Ensure no clearance exists between components.

Removing Instrument Cluster Cover & Center Grille. Scheme 4

Scheme 4: Removing Instrument Cluster Cover & Center Grille
Scheme 4: Removing Instrument Cluster Cover & Center Grille

Removal

  1. Disconnect negative battery cable. Discharge A/C system using approved refrigerant recovery/recycling equipment. Remove belt cover. Remove alternator and A/C compressor belt.
  2. Disconnect low-pressure and high-pressure hoses from compressor. Remove alternator and A/C compressor connectors. Remove lower compressor bracket. Remove compressor.

Installation

To install, reverse removal procedure. Tighten compressor bolts to 23-29 ft. lbs. (31-39 N.m). Evacuate and charge A/C system. Check A/C system for proper operation.

  1. Disconnect negative battery cable. Discharge A/C system using approved refrigerant recovery/recycling equipment. Disconnect radiator fan connectors. Remove front grille. Remove upper radiator bracket. Disconnect pipe and hose connections from condenser. Remove radiator fans.
  2. Disconnect cooling hose located under radiator fan shroud. Position fuel evaporation canister out of way. Disconnect trinary (triple) pressure switch connector. Raise and support vehicle.
  3. Remove splash shield from underneath vehicle. Remove 2 bolts securing oil cooler to condenser. Lower vehicle. Remove condenser bolts. Move radiator forward and remove condenser.

To install, reverse removal procedure. Ensure guide on lower side of condenser is inserted into hole in radiator panel. Evacuate and charge A/C system. Check A/C system for proper operation.

  1. Disconnect negative battery cable. Discharge A/C system using approved refrigerant recovery/recycling equipment. Disconnect low and high-pressure hoses from evaporator.
  2. Remove glove box. Disconnect fan control amplifier connector. (Scheme 5) Remove time control unit. Time control unit is located above fan amplifier. Disconnect cooling unit drain hose. Remove cooling unit bolts.
  3. Remove cooling unit. Remove refrigerant temperature and evaporator sensors from cooling unit. Remove clamps holding cooling unit upper and lower housings. Separate cooling unit housing. Remove evaporator. (Scheme 5)

To install, reverse removal procedure. Evacuate and charge A/C system. Check A/C system for proper operation.

Exploded View Of Cooling Unit. Scheme 5

Scheme 5: Exploded View Of Cooling Unit
Scheme 5: Exploded View Of Cooling Unit

Automatic A/C-Heater System Wiring Diagram. Scheme 6

Scheme 6: Automatic A/C-Heater System Wiring Diagram
Scheme 6: Automatic A/C-Heater System Wiring Diagram

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