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Home >> Lexus >> 2021 >> ES 250 Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information (2 Of 2) >> BRAKE BOOSTER (for Gasoline Model) >> Reassembly [06/2018 - ] >> Procedure

Reassembly [06/2018 - ]: Procedure

  1. INSTALL VACUUM WARNING SWITCH ASSEMBLY 
    1. Install a new check valve grommet to the brake booster assembly.
    2. Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration.
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      *a 30° +/- 20°
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  2. INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY 
    1. Install a new check valve grommet to the brake booster assembly.
    2. Install the brake vacuum check valve assembly to the brake booster assembly.
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