Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001Q5AK
Model Year Start: 2021 Model: Avalon Prod Date Range: [08/2020 -           ]
Title: A25A-FKS (ENGINE MECHANICAL): ENGINE UNIT: COMPONENTS; 2021 - 2022 MY Avalon [08/2020 -        ]

COMPONENTS

ILLUSTRATION

*1

EXHAUST MANIFOLD (TWC: Front Catalyst)

*2

MANIFOLD STAY

*3

NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

*4

EXHAUST MANIFOLD TO HEAD GASKET

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

Non-reusable part

ILLUSTRATION

*1

NO. 1 EGR PIPE SUB-ASSEMBLY

*2

NO. 1 INTAKE MANIFOLD TO HEAD GASKET

*3

INTAKE MANIFOLD

*4

THROTTLE BODY GASKET

*5

NO. 2 WATER BY-PASS PIPE

*6

NO. 3 WATER BY-PASS PIPE

*7

EGR VALVE ADAPTER GASKET

*8

EGR INLET GASKET

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

Non-reusable part

ILLUSTRATION

*1

NO. 5 ENGINE WIRE

*2

NO. 1 FUEL PIPE SUB-ASSEMBLY

*3

FUEL TUBE SUB-ASSEMBLY

*4

FUEL PUMP ASSEMBLY (for High Pressure)

*5

O-RING

*6

FUEL PUMP FLANGE

*7

FUEL PUMP SPACER GASKET

*8

FUEL PUMP LIFTER ASSEMBLY

*9

FUEL DELIVERY PIPE SUB-ASSEMBLY

*10

PORT FUEL INJECTOR ASSEMBLY

*11

INJECTOR VIBRATION INSULATOR

*12

FUEL DELIVERY PIPE

*13

NO. 3 FUEL INJECTOR BACK-UP RING

*14

NO. 1 FUEL INJECTOR BACK-UP RING

*15

DIRECT FUEL INJECTOR ASSEMBLY

*16

NOZZLE HOLDER CLAMP

*17

NO. 1 DELIVERY PIPE SPACER

*18

C-RING

*19

FUEL INJECTOR SEAL

*20

FUEL PIPE CLAMP

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

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

*

For use with a union nut wrench

Non-reusable part

ILLUSTRATION

*1

COMPRESSOR ASSEMBLY WITH PULLEY

*2

ENGINE OIL LEVEL DIPSTICK GUIDE

*3

GENERATOR ASSEMBLY

*4

NO. 2 TIMING CHAIN COVER INSULATOR

*5

V-RIBBED BELT TENSIONER ASSEMBLY

*6

V-RIBBED BELT

*7

ENGINE OIL LEVEL DIPSTICK

*8

O-RING

*9

STUD BOLT

-

-

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

Non-reusable part

*T1

For reusable stiffening crankcase assembly: 5.0 N*m (51 kgf*cm, 44 in.*lbf)

For new stiffening crankcase assembly: 10 N*m (102 kgf*cm, 7 ft.*lbf)

-

-

ILLUSTRATION

*1

DRIVE SHAFT BEARING BRACKET

*2

NO. 6 ENGINE WIRE

*3

SENSOR WIRE

*4

GASKET

*5

WIRE HARNESS CLAMP BRACKET

*6

WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

*7

ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)

*8

NO. 3 EXHAUST MANIFOLD HEAT INSULATOR

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

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

Non-reusable part

-

-

ILLUSTRATION

*1

EGR COOLER ASSEMBLY

*2

NO. 1 EGR COOLER BRACKET

*3

THROTTLE BODY WITH MOTOR ASSEMBLY

*4

WATER HOSE CLAMP BRACKET

*5

PURGE VALVE (PURGE VSV)

*6

NO. 2 FUEL VAPOR FEED HOSE

*7

EGR VALVE BRACKET

*8

OUTLET WATER BY-PASS SUB-ASSEMBLY

*9

OUTLET WATER PIPE GASKET

*10

NO. 3 WATER BY-PASS HOSE

*11

ENGINE COOLANT TEMPERATURE SENSOR

*12

NO. 4 WATER BY-PASS HOSE

*13

EGR VALVE ASSEMBLY

*14

NO. 8 WATER BY-PASS HOSE

*15

EGR VALVE GASKET

*16

EGR COOLER GASKET

*17

WATER OUTLET

*18

WATER OUTLET GASKET

*19

NO. 7 WATER BY-PASS HOSE

*20

FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)

*21

NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY

-

-

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

Non-reusable part

ILLUSTRATION

*1

CAM TIMING CONTROL MOTOR O-RING

*2

CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY

*3

CAM TIMING OIL CONTROL SOLENOID ASSEMBLY

*4

CRANKSHAFT PULLEY ASSEMBLY

*5

ENGINE MOUNTING BRACKET RH

*6

ENGINE MOUNTING INSULATOR RH

*7

CRANKSHAFT PULLEY BOLT

*8

IGNITION COIL ASSEMBLY

*9

NO. 2 ENGINE COVER

*10

VACUUM PUMP ASSEMBLY

*11

NO. 2 VACUUM SWITCHING VALVE BRACKET

*12

O-RING

*13

TIMING GEAR COVER INSULATOR

*14

PLATE WASHER

*15

NO. 1 VACUUM PUMP O-RING

-

-

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

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

Non-reusable part

Precoated part

ILLUSTRATION

*1

OIL FILLER CAP GASKET

*2

OIL FILLER CAP ASSEMBLY

*3

CAMSHAFT POSITION SENSOR (for Intake Side)

*4

CYLINDER HEAD COVER SUB-ASSEMBLY

*5

CAMSHAFT POSITION SENSOR (for Exhaust Side)

*6

SPARK PLUG

*7

SPARK PLUG TUBE GASKET

*8

CAMSHAFT BEARING CAP OIL HOLE GASKET

*9

CYLINDER HEAD COVER GASKET

*10

O-RING

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

Non-reusable part

Precoated part

-

-

ILLUSTRATION

*1

CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY

*2

CAMSHAFT TIMING GEAR ASSEMBLY

*3

OIL PRESSURE CONTROL VALVE ASSEMBLY

*4

CHAIN SUB-ASSEMBLY

*5

CHAIN TENSIONER SLIPPER

*6

NO. 1 CHAIN TENSIONER ASSEMBLY

*7

NO. 1 CHAIN VIBRATION DAMPER

*8

OIL PUMP DRIVE CHAIN SUB-ASSEMBLY

*9

NO. 2 TIMING CHAIN COVER ASSEMBLY

*10

OIL PUMP DRIVE SPROCKET

*11

OIL PUMP DRIVE SHAFT SPROCKET

*12

CRANKSHAFT TIMING SPROCKET

*13

STRAIGHT SCREW PLUG

*14

TIMING CHAIN COVER OIL SEAL

*15

STRAIGHT PIN

*16

CRANKSHAFT TIMING GEAR KEY

*17

CAMSHAFT TIMING VALVE ASSEMBLY

*18

TIMING CHAIN COVER ASSEMBLY

*19

STUD BOLT

*20

CHAIN DAMPER SPRING

*21

CHAIN TENSIONER PLATE

*22

RING PIN

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

Non-reusable part

MP grease

Adhesive 1324

Precoated part

Do not apply lubricants to the threaded parts

ILLUSTRATION

*1

FUEL PUMP LIFTER GUIDE

*2

CAMSHAFT

*3

NO. 2 CAMSHAFT

*4

CAMSHAFT HOUSING SUB-ASSEMBLY

*5

PLATE WASHER

*6

CYLINDER HEAD SET BOLT

*7

CAMSHAFT BEARING CAP SETTING RING PIN

*8

CYLINDER HEAD SUB-ASSEMBLY

*9

CYLINDER HEAD GASKET

*10

NO. 4 CAMSHAFT BEARING CAP

*11

PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

*12

VALVE STEM CAP

*13

VALVE LASH ADJUSTER ASSEMBLY

*14

NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

*15

NO. 1 CAMSHAFT BEARING CAP

*16

NO. 2 CAMSHAFT BEARING CAP

*17

NO. 3 CAMSHAFT BEARING CAP

*18

NO. 3 STRAIGHT SCREW PLUG

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

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

Non-reusable part

Adhesive 1324

Precoated part

-

-

*T1

1st: 90 (918, 66)

2nd: Turn 90°

3rd: Turn 90°

-

-

ILLUSTRATION

*1

CRANKSHAFT POSITION SENSOR

*2

ENGINE BALANCER ASSEMBLY

*3

ENGINE OIL LEVEL SENSOR

*4

OIL FILTER SUB-ASSEMBLY

*5

OIL FILTER UNION

*6

NO. 2 OIL PAN SUB-ASSEMBLY

*7

OIL PUMP ASSEMBLY

*8

OIL PUMP BRACKET

*9

OIL STRAINER SUB-ASSEMBLY

*10

REAR ENGINE OIL SEAL

*11

STIFFENING CRANKCASE ASSEMBLY

*12

CYLINDER BLOCK SUB-ASSEMBLY

*13

OIL NOZZLE VALVE SUB-ASSEMBLY

*14

STUD BOLT

*15

RING PIN

*16

OIL PAN DRAIN PLUG

*17

GASKET

*18

OIL STRAINER GASKET

*19

KNOCK CONTROL SENSOR

*20

OIL PRESSURE AND TEMPERATURE SENSOR

*21

STRAIGHT SCREW PLUG

*22

WIRE HARNESS CLAMP BRACKET

*23

CYLINDER BLOCK WATER JACKET SPACER

*24

O-RING

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

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

Non-reusable part

Adhesive 1344

MP grease

Precoated part