PROCEDURE
REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
Remove the brake vacuum check valve assembly from the brake booster assembly.
Remove the check valve grommet from the brake booster assembly.
REMOVE VACUUM WARNING SWITCH ASSEMBLY (for A25A-FKS, 2GR-FKS)
Remove the vacuum warning switch assembly from the brake booster assembly.
Remove the check valve grommet from the brake booster assembly.