LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Servicing >> Removal & Installation >> Valve Body Assembly >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Valve Body Assembly: Installation

  1. Raise and support vehicle.
  2. Install solenoid valves using the following steps:
    1. Install solenoid valves SLU and SLT and lock plate with bolt.
    2. Coat 2 new "O" rings with automatic transmission fluid.
    3. Install 2 "O" rings to solenoid valves No. 2 and 4.
    4. Install solenoid valve SLN with bolt.
    5. Install solenoid valves No. 1, 2, 3 and 4 with 4 bolts. See Fig 5.
  3. Install check ball body and spring. See Fig 4.
  4. Install valve body using the following steps:
    1. Align the groove of manual valve with pin of lever. See Fig 6.
    2. Install the 21 bolts. See Fig 3.
    3. Tighten bolts to specification. See TORQUE SPECIFICATIONS .
  5. Install solenoid valve wiring with ATF temperature sensor using the following steps:
    1. Install solenoid valve connector with bolt. See Fig 2.
    2. Connect 7 connectors to solenoid valves.
    3. Install clamp with bolt. See Fig 1.
    4. Connect ATF temperature sensor.
  6. Install oil filter. See DRAINING & REFILLING .
  7. Install oil pan. See DRAINING & REFILLING .
  8. Install NEW gasket and drain plug.
  9. Lower vehicle.
  10. Fill and add automatic transmission fluid. See DRAINING & REFILLING .
Fig 1: Removing & Installing Solenoid Valve Wiring
G00218265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Removing & Installing Solenoid Valve Connector
G00218266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Identifying Lengths & Locations Of Valve Body Bolts
G00132029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Removing & Installing Check Ball Body & Spring
G00132026Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Removing & Installing Solenoid Valves In Valve Body
G00132028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Removing & Installing Valve Body Assembly
G00132027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002