Vacuum
Determining Correct 1980 to 1985 Diesel Vacuum System Hose and Line Routing
When troubleshooting your vacuum system you must know where the hoses and lines go
What's wrong with my Mercedes?
Vacuum Problems
Vacuum
126 Chassis Sedan Vacuum Door Lock Failure
Different from the 116 / 123 chassis and more difficult to troubleshoot
Vacuum
123 Chassis Vacuum Door Lock Failure
A very common problem that requires precise troubleshooting
Vacuum
Vacuum Line Under Dash Not Plugged into Anything!
Common concern on 1980 to 1985 Mercedes Diesel 240D, 300D, 300CD, 300TD
Vacuum
Keeping Mice Out of Your Car
Double check for damage and use a product to scare them away
Vacuum
Constantly Failing Diesel Vacuum Pumps
Look for the cause in the drive mechanism
Vacuum
603 Diesel Engine Vacuum Hose Leaks and Faulty Routing
If the hoses are leaking or are not hooked up properly a number of problems could occur.
Vacuum
Fixing W116 and Early 123 Door Locks
#1 Failure Point are the rubber diaphragms in the door lock actuators
Vacuum
What is Causing Diesel OM616 and OM617 Vacuum Pump Failures?
Pump mechanisms breaking apart and piston bolt failures
Vacuum
Overhauling a W116 300SD Engine Driven Vacuum Pump
Repair kits and parts are not available new for the twin diaphragm pumps
Vacuum
How to Test a W123 Vacuum Door Lock Actuator
Easy to test when out of car. See Kent's manual to learn how to test without removing door panel.