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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001PX44 |  
                        | Model Year Start: 2021 | Model: Avalon | Prod Date Range: [08/2020 -                    
                                       ] |  
                        | Title: A25A-FKS (ENGINE CONTROL): CRANKSHAFT POSITION SENSOR: 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 CRANKSHAFT POSITION SENSOR   
                     
                        
                        
                     
                     
                        
                           | *a | O-ring Groove |  
                           | *b | Crankshaft Position Sensor Tip |  (a) Perform this procedure only when reusing the crankshaft position sensor. (1) Clean the O-ring groove of the crankshaft position sensor. NOTICE: Make sure the O-ring groove is free of foreign matter. (2) Install a new O-ring to the crankshaft position sensor. NOTICE: Set the O-ring on the tip of the crankshaft position sensor and roll it into the O-ring groove with bare hands to install it. 
                     
                        
                           | (3) Check if the O-ring is twisted. HINT: Check the entire circumference of the seam of the O-ring for twisting. | 
                                 
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                                                | *1 | O-ring |  
                                                | *a | OK |  
                                                | *b | NG |  
                                                | *c | Seam |  |  |  (b) Apply a light coat of engine oil to the O-ring of the crankshaft position sensor. (c) Using an 8 mm socket wrench, install the crankshaft position sensor to the cylinder block sub-assembly with the bolt. Torque:  10 N·m {102 kgf·cm, 7 ft·lbf} 
                     NOTICE: 
                        
If the crankshaft position sensor has been struck or dropped, replace it.
Make sure that the O-ring is not cracked or moved out of place when installing the crankshaft position sensor.
 (d) Connect the crankshaft position sensor connector. 2. INSTALL STARTER ASSEMBLY Click here
                        
                           
                              ![2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (STARTING): STARTER: INSTALLATION](/t3Portal/stylegraphics/info.gif)  |