W126 Door Lock Problems

This makes it more challenging to troubleshoot.

W126 door lock problems.

But when the the doors unlock the pump runs for a long time maybe 20 seconds. The drivers side door only locks and unlocks the driver door. Wait about 5 minutes to see if the lock side of the system holds. Read honest and unbiased product reviews from our users.

W126 80 090 checking function of central locking system page 1750 jpg 65 7 kb views. If you let the pump run on like that every single time it locks the little motor in the vacuum pump will definitely burn out. The first thing is to make sure the pump is working and producing vaccum. Make note of the results.

This means there is a pressure leak in one of the actuators. Make sure the driver s side door is closed and turn the key to the lock position. The system also suffers from motor and pump problems due primarily to their location in the trunk. My new latch.

For starters the systems are getting old and with age comes common leaks and failed actuators. Any ideas where to start troubleshooting this problem. The w126 was the first mercedes to use a separate electric pump to provide vacuum to the door lock system. I am having another door lock issue.

Once that is determined you will need to find the source of possible leaks in the hoses and vacuum lock actuators. As far as the w126 cars go the only major difference besides geni and gen ii are the different engines and as far as i ve found all the body parts are the same. 1 273 w126 80 090 checking function of central locking system page 1751 jpg. If your pump is running and your door locks are not working check out kent s full video manual available on w126 door lock troubleshooting and repair where.

When the doors lock the pump runs for a few seconds as it should.