Toyota Avalon (XX50): Egr Cooler

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / A25a-fxs (emission Control) / Egr Cooler

Components

COMPONENTS

ILLUSTRATION

*1

EGR COOLER ASSEMBLY

*2

EGR VALVE GASKET

*3

EGR COOLER GASKET

*4

NO. 4 WATER BY-PASS HOSE

*5

NO. 3 WATER BY-PASS HOSE

-

-

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

Non-reusable part

Installation

INSTALLATION

PROCEDURE

1. INSTALL EGR COOLER ASSEMBLY

(a) Install a new EGR cooler gasket to the EGR cooler assembly.

NOTICE:

Make sure that the claws of the EGR cooler gasket are toward the EGR cooler assembly side.

*a

Claw

(b) Install a new EGR valve gasket to the EGR valve assembly.

NOTICE:

Make sure that the claws of the EGR valve gasket are toward the EGR valve assembly side.

*a

Claw

(c) Temporarily install the EGR cooler assembly to the cylinder head sub-assembly and EGR valve assembly with the 5 bolts.

(d) Tighten the 3 bolts (A).

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

(e) Tighten the 2 bolts (B).

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

(f) Connect the No. 3 water by-pass hose and No. 4 water by-pass hose to the EGR cooler assembly and slide the 2 clips to secure them.

2. INSTALL INVERTER WITH CONVERTER ASSEMBLY

Click here

3. ADD ENGINE COOLANT (for Engine)

Click here

4. INSPECT FOR COOLANT LEAK (for Engine)

Click here

5. INSPECT FOR EXHAUST GAS LEAK

Click here

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 EGR cooler assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedures

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*1: When performing learning using the Techstream.

Click here

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane departure alert system (w/ Steering Control)

Pre-collision system

Intelligent clearance sonar system*

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking assist monitor system

Panoramic view monitor system

Replacement of inverter with converter assembly

Resolver learning

  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

Replacement of ECM

Perform Vehicle Identification Number (VIN) registration

MIL comes on

Gas leak from exhaust system is repaired

Inspection After Repair

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

PROCEDURE

1. DRAIN ENGINE COOLANT (for Engine)

Click here

2. REMOVE INVERTER WITH CONVERTER ASSEMBLY

Click here

3. REMOVE EGR COOLER ASSEMBLY

(a) Slide the 2 clips and disconnect the No. 3 water by-pass hose and No. 4 water by-pass hose from the EGR cooler assembly.

*1

No. 3 Water By-pass Hose

*2

No. 4 Water By-pass Hose

(b) Remove the 5 bolts and EGR cooler assembly from the cylinder head sub-assembly and EGR valve assembly.

(c) Remove the EGR valve gasket from the EGR valve assembly.

(d) Remove the EGR cooler gasket from the EGR cooler assembly.

Canister

Egr Valve

See More:

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

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