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Height Control Compressor ASSY: Replacement

NOTE: Before disconnecting the air tube, press the height control OFF switch to stop the vehicle height control operation.
  1. REMOVE HEIGHT CONTROL COMPRESSOR COVER 
    1. Remove the 2 screws, the bolt, the clip and the height control compressor cover.
  2. DISCONNECT HEIGHT CONTROL TUBE NO. 2 
    1. Remove the clip and holder.
    2. Disconnect the height control tube No. 2 from the 2 way cap.

      HINT:

      For the disconnecting procedure of the (type 3) tube, refer to SUSPENSION CONTROL SYSTEM .

      Fig 1: Disconnecting Height Control Tube No. 2
      G03012805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE REAR HEIGHT CONTROL COMPRESSOR BRACKET 
    1. Remove the 3 clamps and disconnect the 2 connectors and wire harness.
      Fig 2: Removing Clamps And Disconnecting Connectors & Wire Harness
      G03012806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clamp.
    3. Disconnect the hose from the cap grommet.
      Fig 3: Disconnecting Hose From Cap Grommet
      G03012807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 3 bolts.
      Fig 4: Removing Bolts
      G03012808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Slide the rear height control compressor bracket to the front of the vehicle, and release the claws A and B from the height control compressor bracket.
      Fig 5: Releasing Claws From Height Control Compressor Bracket
      G03012809Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the rear height control compressor w/bracket assy.
  4. REMOVE HEIGHT CONTROL FILTER 
    1. Remove the clamp, 2 clips and 2 hoses.
    2. Remove the height control filter.
  5. REMOVE REAR HEIGHT CONTROL COMPRESSOR BRACKET 
    1. Remove the 3 clamps.
    2. Remove the 3 bolts and the 3 height control compressor bush No. 2 from the rear height control compressor bracket.
      Fig 6: Removing Rear Height Control Compressor Bracket
      G03012810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE HEIGHT CONTROL DRYER ASSY 
    1. Remove the clip and holder.
    2. Remove the height control tube No. 2 from the height control dryer assy.
      Fig 7: Removing Height Control Tube No. 2
      G03012811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt and the height control dryer assy from the height control compressor assy.
      Fig 8: Removing Height Control Dryer Assy
      G03012812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE HEIGHT CONTROL COMPRESSOR ASSY 
    1. Remove the O-ring.

      HINT:

      When the height control compressor assy is replaced with a new one, it doesn't require a new O-ring.

      Fig 9: Removing Height Control Compressor Assy
      G03012813Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL HEIGHT CONTROL COMPRESSOR ASSY 
    1. Coat the O-ring with MP grease, install the height control compressor assy.

      HINT:

      When the height control compressor assembly is replaced with new one, it doesn't require a new O-ring.

  9. INSTALL HEIGHT CONTROL DRYER ASSY 
    1. Install the height control dryer assy with a bolt onto the height control compressor assy.

      Torque: 6.4 N.m (65 kgf.cm, 57 in.lbf) 

      Fig 10: Installing Height Control Dryer Assy Bolt
      G03012814Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the height control tube No. 2 to the height control dryer assy.
    3. Fig 11: Connecting Height Control Tube No. 2 To Height Control Dryer Assy
      G03012815Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Lock the clip and holder.

      HINT:

      For the installation procedure of the (type 3) tube, refer to SUSPENSION CONTROL SYSTEM .

  10. INSTALL REAR HEIGHT CONTROL COMPRESSOR BRACKET 
    1. Install the 3 height control compressor bush No. 2 onto the rear height control compressor bracket.
    2. Fig 12: Installing Height Control Compressor Bush No. 2 Onto Rear Height Control Compressor Bracket
      G03012816Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the rear height control compressor bracket with the 3 bolts onto the height control compressor assy.

      Torque: 5.9 N.m (60 kgf.cm, 52 in.lbf) 

    4. Install the 3 clamps.
      Fig 13: Installing Clamps
      G03012817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL HEIGHT CONTROL FILTER 
    1. Install the 2 hoses and 2 clips to the height control filter.
    2. Install a clamp onto the height control filter.
    3. Connect the height control filter onto the rear height control compressor bracket.
  12. INSTALL REAR HEIGHT CONTROL COMPRESSOR BRACKET 
    1. Passing the wire harness sub-assy between the bracket and compressor, temporarily place the bracket as shown in Fig 14 .
      Fig 14: Passing Wire Harness Sub-Assy Between Bracket And Compressor
      G03012818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the rear height control compressor bracket with the 3 bolts onto the height control compressor bracket.

      Torque: 19 N.m (194 kgf.cm, 14 ft.lbf) 

      Fig 15: Installing Rear Height Control Compressor Bracket With Bolts Onto Height Control Compressor Bracket
      G03012819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the hose to the cap grommet and clamp it.
      Fig 16: Connecting Hose To Cap Grommet
      G03012820Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the 3 clamps and the 2 connectors.
      Fig 17: Installing Clamps And Connectors
      G03012821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. CONNECT HEIGHT CONTROL TUBE NO. 2 
    1. Install a new O-ring onto the height control tube No. 2.
    2. Coat the O-ring with MP grease.
    3. Connect the height control tube No. 2 to the 2 way cap.
    4. Lock the tube with a new clip and a new holder.

      HINT:

      For the installation procedure of the (type 3) tube, refer to SUSPENSION CONTROL SYSTEM .

    5. Fig 18: Connecting Height Control Tube No. 2
      G03012822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. INSPECT AIR LEAK (See  ON-VEHICLE INSPECTION  ) 
  15. INSTALL HEIGHT CONTROL COMPRESSOR COVER 
    1. Install the height control compressor cover with the 2 screws, the clip and the bolt.