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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BMNX |  
                        | Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2021] |  
                        | Title: A25A-FXS (INTAKE / EXHAUST): INTAKE MANIFOLD: INSTALLATION; 2019 - 2021 MY Avalon HV [04/2018 - 08/2021] |  INSTALLATIONCAUTION / NOTICE / HINTNOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here
                        
                           
                              ![2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION](/t3Portal/stylegraphics/info.gif)  PROCEDURE1. INSTALL VACUUM HOSE (a) Install the vacuum hose to the intake manifold. 2. INSTALL NO. 1 ENGINE COVER (a) Install the No. 1 engine cover with the clip. 3. INSTALL NO. 1 INTAKE MANIFOLD TO HEAD GASKET (a) Install a new No. 1 intake manifold to head gasket to the intake manifold. 4. INSTALL INTAKE MANIFOLD 
                     
                        
                           | (a) Temporarily install the intake manifold to the cylinder head sub-assembly with the 5 bolts. |  |  (b) Tighten the 5 bolts in the order shown in the illustration. Torque:  24 N·m {245 kgf·cm, 18 ft·lbf} 5. INSTALL NO. 2 FUEL VAPOR FEED HOSE (a) Install the No. 2 fuel vapor feed hose to the intake manifold. 6. INSTALL NO. 2 WATER BY-PASS PIPE 
                     
                        
                           | (a) Temporarily install the No. 2 water by-pass pipe to the cylinder block sub-assembly with the bolt (B). |  |  (b) Using an 8 mm socket wrench, temporarily install the No. 2 water by-pass pipe to the intake manifold with the 2 bolts (A). (c) Tighten the bolt (B). Torque:  21 N·m {214 kgf·cm, 15 ft·lbf} (d) Using the 8 mm socket wrench, tighten the 2 bolts (A). Torque:  10 N·m {102 kgf·cm, 7 ft·lbf} (e) Engage the wire harness clamp to connect the HV air conditioning wire. 7. CONNECT NO. 3 WATER BY-PASS PIPE (a) Using an 8 mm socket wrench, connect the No. 3 water by-pass pipe to the intake manifold with the bolt. Torque:  10 N·m {102 kgf·cm, 7 ft·lbf} (b) Connect the No. 5 water by-pass hose to the No. 3 water by-pass pipe and slide the clip to secure it. 8. CONNECT ENGINE WIRE 
                     
                        
                           | (a) Engage the wire harness clamp to connect the engine wire to the intake manifold. |  |  (b) Install the bolt. Torque:  10 N·m {102 kgf·cm, 7 ft·lbf} 
                     
                        
                           | (c) Connect the engine wire to the cylinder head sub-assembly with the bolt. Torque:  10 N·m {102 kgf·cm, 7 ft·lbf} |  |  (d) Connect the No. 5 engine wire connector. 9. INSTALL PURGE VALVE (PURGE VSV) Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; A25A-FXS (EMISSION CONTROL): PURGE VALVE: INSTALLATION](/t3Portal/stylegraphics/info.gif)  10. INSTALL E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR) Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; A25A-FXS (EMISSION CONTROL): VACUUM SENSOR: INSTALLATION+](/t3Portal/stylegraphics/info.gif)  11. INSTALL EGR VALVE ASSEMBLY Click here
                        
                           
                              ![2019 - 2021 MY Avalon HV [04/2018 - 08/2021]; A25A-FXS (EMISSION CONTROL): EGR VALVE: INSTALLATION](/t3Portal/stylegraphics/info.gif)  12. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; A25A-FXS (ENGINE CONTROL): THROTTLE BODY: INSTALLATION](/t3Portal/stylegraphics/info.gif)  |