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4Runner Limited, RWD
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Repair and Diagnosis
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Brakes
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Mechanical - Hydraulic
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Brake System (Hydraulic) - Service Information
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Brake Booster
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Inspection [08/2015 - ]
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Procedure
Inspection [08/2015 - ]: Procedure
INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY
Check that there is ventilation from the booster to the engine and no ventilation from the engine to the booster.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION
*a
Ventilation
*b
No Ventilation
If the result is not as specified, replace the brake vacuum check valve assembly.