Toyota Avalon (XX50): Water Pump

Components

COMPONENTS

ILLUSTRATION

*1

ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)

*2

GASKET

N*m (kgf*cm, ft.*lbf): Specified torque

Non-reusable part

Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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PROCEDURE

1. INSTALL ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)

(a) Install a new gasket to the engine water pump assembly (water inlet housing).

HINT:

Be sure to clean the contact surfaces.

(b) Install the engine water pump assembly (water inlet housing) to the cylinder block assembly with the 4 bolts.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

(c) Connect the engine water pump assembly (water inlet housing) connector.

(d) Align the protrusion of the engine water pump assembly (water inlet housing) with the cutout in the sensor wire clamp.

*a

Protrusion

*b

Cutout

(e) Using an 8 mm socket wrench, connect the sensor wire to the engine water pump assembly (water inlet housing) with the bolt.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(f) Connect the sensor wire connector.

2. INSTALL WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

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3. INSTALL INTAKE MANIFOLD

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Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during engine water pump assembly (water inlet housing) removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

  • Replacement of throttle body assembly
  • Cleaning the deposits from the throttle body assembly
  • Replacement of EGR valve assembly
  • Gas leak from exhaust system is repaired

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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PROCEDURE

1. REMOVE INTAKE MANIFOLD

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2. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

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3. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)

(a) Disconnect the sensor wire connector.

(b) Using an 8 mm socket wrench, remove the bolt and disconnect the sensor wire from the engine water pump assembly (water inlet housing).

(c) Disconnect the engine water pump assembly (water inlet housing) connector.

(d) Remove the 4 bolts and engine water pump assembly (water inlet housing) from the cylinder block assembly.

(e) Remove the gasket from the engine water pump assembly (water inlet housing).

Thermostat

Air Fuel Ratio Sensor(for Sensor 1)

See More:

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Actuator Cut Circuit Stuck Off (P16B09F) MONITOR DESCRIPTION The ECM monitors the operation of the throttle actuator. When a malfunction is detected in the throttle actuator cut circuit immediately after the power switch is turned off, the ECM illuminates the MIL and stores a DTC. DTC No. Detection ...

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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