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Home >> Suzuki >> 2008 >> XL7 Base, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And A/C >> Repair Instructions >> Thermal Expansion Valve Replacement >> Special Tools >> Installation Procedure
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Installation Procedure

Fig 1: Identifying TXV Bolt And Backing Plate
G05470475Courtesy of SUZUKI OF AMERICA CORP.
NOTE: Use only lint free cloths to wipe parts. Do not allow any solvent to enter evaporator or hoses.
  1. Remove the protective caps from the evaporator pipes and ensure the seal areas are clean, dry and lint free.
  2. Install new seal washers to the evaporator pipes. Refer to SEALING WASHER REPLACEMENT .
  3. Remove the protective caps from the TXV.
  4. Install the TXV and the backing plate to the evaporator pipes.
    CAUTION: Refer to FASTENER NOTICE .
  5. Install the TXV bolts to the backing plate.

    Tightening torque 

    Tighten the bolts to 3.5 N.m (31 lb in). 

    Fig 2: Identifying Evaporator Outlet Hose And Liquid Line Retainer Plate Nut
    G05470476Courtesy of SUZUKI OF AMERICA CORP.
  6. Remove the protective caps from the liquid line and the evaporator outlet hose.
  7. Install new seal washers to the liquid line and the evaporator outlet hose. Refer to SEALING WASHER REPLACEMENT .
  8. Install the liquid line and the evaporator outlet hose to the TXV.
  9. Install the liquid line and evaporator outlet hose retainer plate nut to the TXV.

    Tightening torque 

    Tighten the nut to 20 N.m (15 lb ft). 

  10. Evacuate and charge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  11. Test the affected A/C joints for leaks using J 39400-A.
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