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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) (Service Information) >> VACUUM PUMP (for 2GR-FKS) >> Installation [04/2018 -] >> Procedure

Installation [04/2018 -]: Procedure

  1. INSTALL VACUUM PUMP ASSEMBLY 
    1. Clean the vacuum pump assembly installation bolt holes in the camshaft housing sub-assembly and cylinder head sub-assembly.
    2. When using a new vacuum pump assembly:
      1. Apply engine oil to the 2 O-rings which are installed to a new vacuum pump assembly.
        GTY718310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Engine oil
    3. When reusing the vacuum pump assembly:
      1. Apply engine oil to 2 new O-rings and install them to the vacuum pump assembly.
        GTY718310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Engine oil
    4. Apply engine oil to the inner surface of the installation hole.
    5. Temporarily install the vacuum pump assembly so that the oil pipe engages with the hole of the camshaft and the coupling teeth engages with the groove of the camshaft.
      GTY751036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Coupling Teeth
      *b Groove
      *c Oil Pipe
      NOTE:
      • Ensure that the vacuum pump assembly is installed securely.
      • Be careful not to pinch the O-ring.
    6. Install the vacuum pump assembly with 3 new bolts.
      Fig 1: Vacuum Pump Assembly New Bolts With Tightening Sequence
      GTY870642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      NOTE:
      • After installation, check that there are no gaps between the matching surfaces and that the vacuum pump assembly is not installed at an angle.
      • Tighten the 3 bolts in the order shown in the illustration.
  2. CONNECT AIR TUBE 
    1. Connect the air tube to the vacuum pump assembly, and slide the clip to secure it.
      GTY742534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL ENGINE WIRE 
    1. Install the earth wire with the bolt.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      GTY742535Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the engine wire with the 2 bolts.
      GTY768992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  4. INSTALL NO. 2 SURGE TANK STAY 
    1. Install the No. 2 surge tank stay with the 2 bolts in the order shown in the illustration.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 2: No. 2 Surge Tank Stay Bolts With Tightening Sequence
      GTY749381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to INSTALLATION [04/2018 -]

  6. INSPECT VACUUM PUMP OPERATION 

    Refer to ON-VEHICLE INSPECTION [04/2018 -] 

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