Less vacum pressure at break booster hose after 15 minutes drive
Less vacum pressure at break booster hose after 15 minutes drive.
once i go out from home after 15 to 20 minutes drive i stop the car some where and keep engine running. i come back for return i find the break padel is hard like the car is off.
i checked the vacum pipe feel the pressuer is less. what might be the cause for this.