How to fix a Mercedes W123 door lock leak?
Note – if you find that part of your leak is due to old and cracked diaphragms on your early style door lock vacuum actuators, see the repair guide under the Mercedes W123 repair section to learn how to fix these without replacing the entire assembly. Begin under the hood of the car, on the driver’s side, back near the large round brake booster.
Where is the vacuum lock system on a Mercedes?
Begin under the hood of the car, on the driver’s side, back near the large round brake booster. You will see a yellow check valve with two connections coming from it. One connection is a 3-way “Y” connection with two yellow lines coming out of it. This is the feed for the vacuum door lock system.
Where are the overload protection relays located on a Mercedes Benz?
Overload protection relays are located in different places on different chassis, so check for the location of yours and follow these instructions. Car bouncing down the road? Fix it by replacing your worn out front shocks
What to do if your Mercedes W123 is bouncing?
Engine having a hard time shutting off? Make sure to check and or replace your injector pump shut off valve. Overload protection relays are located in different places on different chassis, so check for the location of yours and follow these instructions. Car bouncing down the road?
How can I lock my Mercedes W123 door?
Pull this line from the “Y” connector, attach your vacuum pump and draw a vacuum of 10 to 15Hg on this side of the system. If the rear driver’s side door is unlocked, doing this should lock it. Watch the gauge for a short time and look for vacuum leaking off.
Begin under the hood of the car, on the driver’s side, back near the large round brake booster. You will see a yellow check valve with two connections coming from it. One connection is a 3-way “Y” connection with two yellow lines coming out of it. This is the feed for the vacuum door lock system.
How old is a Mercedes Benz 300d car?
When you’re dealing with an automobile that’s more than 20 years old, you’re dealing with a completely different animal than a car from the 2000s that’s just fallen on hard times.