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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001PTIV |  
                        | Model Year Start: 2021 | Model: Avalon | Prod Date Range: [08/2020 -                    
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                        | Title: BRAKE SYSTEM (OTHER): VACUUM PUMP (for A25A-FKS): INSTALLATION; 2021 - 2022 MY Avalon [08/2020 -        ] |  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 PUMP ASSEMBLY (a) When reusing the vacuum pump assembly: 
                     
                        
                           | (1) Install a new No. 1 vacuum pump O-ring to the vacuum pump assembly. |  |  
                     
                        
                           | (b) Install the vacuum pump assembly so that the coupling teeth of the vacuum pump assembly and groove of the camshaft are engaged. 
                                 NOTICE: 
                                    
Ensure that the vacuum pump assembly is installed securely.
Be careful not to pinch the No. 1 vacuum pump O-ring.
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                                                | *a | Coupling Teeth |  
                                                | *b | Groove |  |  |  
                     
                        
                           | (c) Using an 8 mm socket wrench, install the vacuum pump assembly with the 3 bolts. Torque:  10 N·m {102 kgf·cm, 7 ft·lbf} NOTICE: After installation, check that there are no gaps between the matching surfaces and that the vacuum pump assembly is not installed at an angle. |  |  2. INSTALL ENGINE WIRE (a) Engage the 2 clamps to install the engine wire. 3. CONNECT NO. 1 VACUUM HOSE CONNECTOR (a) Align the No. 1 vacuum hose connector with the vacuum pump assembly, and push them together until the No. 1 vacuum hose connector makes a "click" sound. 
                     NOTICE: 
                        
Check that there is no foreign matter on the connecting parts.
After connecting the No. 1 vacuum hose connector, check that the vacuum pump assembly and No. 1 vacuum hose connector are securely connected by pulling on them.
 4. INSPECT VACUUM PUMP OPERATION Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for A25A-FKS): ON-VEHICLE INSPECTION](/t3Portal/stylegraphics/info.gif)  |