W123, Vacuum

On Demand Video

$14.99

1981 to 1991 W126 Chassis Sedan Vacuum Door Lock Troubleshooting and Repair - On Demand Video Manual

Step-by-step procedures to show you how to isolate and fix those malfunctioning door locks

PDF

$9.75

Applies to all models and chassis listed below:

PDF

$10.95

For W116, W123, W126, W124, and W201 to 1989. For the R107 and later W201 and W124 see videos available below.

Engine

This is Kent's favorite

Fuel Delivery

If you know your glow plugs are working properly it could be a fuel pressure issue

Brake

Clutch and brake fluid can be unkind to your cylinders and pistons

Engine

Not easy by any means. Options and ways to prevent it are listed here.

Electrical

Do not assume it is just a bad battery! Diagnose first...

Engine

At all costs avoid rounding out the hex head of the bolt!

Engine

Your inspection should always include this