What to do if your vacuum door lock fails?
Diagnosing the problem begins with isolating the exact source of the issue, or the exact part of the vacuum door locking system that needs repair or attention. Every door lock in your vehicle operates with an actuator. When they fail, it can lead to problems locking one or more door.
Where is the vacuum pump on a Mercedes?
However, sometimes it’s simply more effective to replace the actuators themselves. On most Mercedes models utilizing vacuum locking systems, the vacuum pump is located beneath the front passenger side of the vehicle. The point of this pump is to suck in and blow out air that controls the door locking mechanism.
Are there any problems with the Mercedes vacuum door lock?
Luckily, not all shops operate this way. One of the common issues that are present in a range of Mercedes vehicles is problems with the vacuum door locks. Vacuum door locks were invented decades ago, and remain a part of many vehicle designs today.
What happens when you run a vacuum pump on a leak?
You should contact an expert to inspect the pump thoroughly because if this problem persists, it can damage the unit altogether. Running a vacuum pump on a leak for an extended period of time will make the pump run hotter, and the increase in oil mist production will cause a dip in the oil level of the pump.
Can a mist separator cause a vacuum pump to leak?
Running the vacuum pump with mist separator that is overly saturated can create a plugging-effect on the exhaust, which creates back-pressure throughout the vacuum pump. Backpressure can lead to leakage in the seals as they are forced backwards to their design, and in some cases can even damage or break the seals.
What causes a vacuum pump to run out of oil?
Running a vacuum pump on a leak for an extended period of time will make the pump run hotter, and the increase in oil mist production will cause a dip in the oil level of the pump. Eventually, the pump will run out of oil; running the pump without oil will cause damage to the internals.
What does it mean when your vacuum pump is smoking?
However, if the pump is old and already worked for several years, the smoke may indicate there is an internal leak or that the pump is not functioning properly. You will also notice the pump making abnormal noises, and that the ultimate vacuum level is slipping.