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Home >> Porsche >> 2020 >> Taycan 4S >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> 80 Heater -- Y1A - TAYCAN (Y1A) >> WM, 803019 Removing And Installing Heat EXCHANGER Supply Hose (Section From Directional Control Valve To Electric Passenger Compartment Heater) >> Installing Heat EXCHANGER Supply Hose

Installing Heat EXCHANGER Supply Hose

WARNING: Incorrect handling of high-voltage components 
  • Electric shock 
  • Short circuit 
  • Fire 
  • Explosion 

    → Only appropriately trained and authorized persons are permitted to work on high-voltage vehicles and components.

    → Required qualification: High voltage technician or high voltage expert.

    → Observe national requirements and legislation for this work.

    → Always use insulated tools, e.g. > VAS 6883 - Insulated Tool Set  when working on these components.

    → Observe general warning notes for working on the high-voltage system.

> 2X00IN GENERAL WARNING NOTES FOR WORKING ON THE HIGH-VOLTAGE SYSTEM

  1. Remove stoppers from line connections.
  2. Install heat exchanger supply hose -1-  .
    1. 2.1 Fit heat exchanger supply hose -1-  on directional-control valve -2-  and electric passenger compartment heater -3-  .
    2. 2.2 Fasten spring band clamps -6-  using > VAS 6891 - spring band clamp pliers  .
    3. 2.3 Clip in clip -5-  .
    4. 2.4 Screw in and tighten screw -4-  .

    > Tightening torque 8 Nm (6 ftlb.) 

    G15565349Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Heat exchanger supply hose

  3. Position electric line -3-  and clip in clip -1-  on cross member -2-  .
    G15565350Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    clip

  4. Position equipotential bonding line, insert screw -1-  and tighten.

    > Tightening torque 8 Nm (5.9 ftlb.) 

    G15565351Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Equipotential bonding line

    Information 

    Check that the high-voltage connectors are engaged fully by carrying out a visual inspection and by pulling gently on the high-voltage connectors.

  5. Position high-voltage lines, then push on and lock electric plug connections -2 and 3-  .
G15565352Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Electric plug connections

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