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Height Control Compressor ASSY: Replacement

WARNING: This page is about a different car, the 2004 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
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. Fig 1: Removing Clip And Holder
      G00885163Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 

  3. REMOVE REAR HEIGHT CONTROL COMPRESSOR BRACKET 
    1. Remove the 3 clamps and disconnect the 2 connectors and wire harness.
      Fig 2: Removing Rear Height Control Compressor Bracket
      G00885164Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clamp.
    3. Disconnect the hose from the cap grommet.
      Fig 3: Removing Clamp
      G00885165Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 3 bolts.
      Fig 4: Removing Bolts
      G00885166Courtesy 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.
      6. Fig 5: Removing Rear Height Control Compressor
      G00885167Courtesy 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 Clamps
      G00885168Courtesy 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
      G00885169Courtesy 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
      G00885170Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE HEIGHT CONTROL COMPRESSOR ASSY 
    1. Remove the O-ring.
      Fig 9: Removing O-Ring
      G00885171Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

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

  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.
      Fig 10: Installing Height Control Dryer Assy
      G00885172Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    2. Connect the height control tube No.2 to the height control dryer assy.
      3. Fig 11: Connecting Height Control Tube No. 2
      G00885173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. 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 Rear Height Control Compressor Bracket
      G00885174Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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) 

    3. Install the 3 clamps.
      Fig 13: Installing Clamps
      G00885175Courtesy 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: Placing Bracket
      G00885176Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the rear height control compressor bracket with the 3 bolts onto the height control compressor bracket.
      Fig 15: Installing Rear Height Control Compressor Bracket
      G00885177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    3. Connect the hose to the cap grommet and clamp it.
      Fig 16: Connecting Hose To Cap Grommet
      G00885178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the 3 clamps and the 2 connectors.
      Fig 17: Installing Clamps And Connectors
      G00885179Courtesy 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.
      Fig 18: Locking Tube
      G00885180Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

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

  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.
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