Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001H4YV |
Model Year Start: 2019 |
Model: RAV4 |
Prod Date Range: [02/2019 - 08/2020] |
Title: A25A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL; 2019 - 2020 MY RAV4 [02/2019 - 08/2020] |
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 exhaust manifold 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 air fuel ratio sensor
-
Gas leak from exhaust system is repaired
|
Inspection After Repair
|
-
Poor idle, etc.
-
Engine start function, etc.
|
(w/ Canister Pump Module)
(w/o Canister Pump Module)
|
CAUTION:
-
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
-
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
PROCEDURE
1. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY
Click here
2. REMOVE FRONT EXHAUST PIPE ASSEMBLY
CAUTION:
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
(a) Detach the 2 wire harness clamps.
|
|
(b) Disconnect the air fuel ratio sensor (for sensor 2) connector.
(c) Remove the 2 bolts, 2 nuts and disconnect the front exhaust pipe assembly from the exhaust manifold and tail exhaust pipe assembly.
|
|
(d) Remove the front exhaust pipe assembly from the 2 exhaust pipe supports.
(e) Remove the 2 gaskets from the front exhaust pipe assembly.
3. REMOVE AIR FUEL RATIO SENSOR (for Sensor 1)
Click here
4. REMOVE WIRE HARNESS CLAMP BRACKET
(a) Remove the bolt and wire harness clamp bracket.
|
|
5. SEPARATE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
(a) Remove the 5 bolts and separate the No. 1 exhaust manifold heat insulator from the exhaust manifold.
|
|
6. SEPARATE NO. 1 UPPER FRONT FLOOR HEAT INSULATOR
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
(a) Remove the 2 nuts and separate the No. 1 upper front floor heat insulator from the vehicle body.
|
|
7. REMOVE MANIFOLD STAY
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
(a) Remove the bolt, nut and manifold stay from the exhaust manifold and cylinder block sub-assembly.
|
|
8. REMOVE EXHAUST MANIFOLD
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
(a) Using a 12 mm deep socket wrench, remove the 7 nuts and separate the exhaust manifold from the cylinder head sub-assembly.
|
|
(b) Remove the No. 1 exhaust manifold heat insulator, No. 1 upper front floor heat insulator and exhaust manifold.
(c) Remove the exhaust manifold to head gasket from the cylinder head sub-assembly.
|
|
9. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
(a) Remove the 6 bolts and No. 2 exhaust manifold heat insulator from the exhaust manifold.
|
|
|