The timing device installed in the W115, W116, W123 and early W126 with OM615, OM616, and OM617 engines from 1986 to 1985 is somewhat a mystery to many owners. Maybe they have seen it (while rebuilding their vacuum pump) or maybe they have seen pictures of it but may not be aware of what it does or potential problems associated with it.
In this theory and troubleshooting video Kent will explain the following related to this important device:
- Why the name?
- What it does in relation to injection timing
- Issues with sprocket wear
- Theory of operation
- Individual components
- What it drives
- Problems with cam wear
- How it drives the vacuum pump
- How it drives the injection pump
- Problems explained in detail
- Types of wear in the bushings
- Woodruff key issues
- Issues with fore and aft shaft play
- Signs of potential problems related to timing device wear
DOES NOT COVER: This video does not cover the removal and replacement of the timing device from the engine
Total Run Time 13:15
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Important note: This video manual may or may not include all the information you will need to troubleshoot and/or repair your specific problem/s. Please read the full description carefully to determine if this video is applicable to your year and model and contains the information you are looking for. If not, please refer back to our "Solutions Finder" and enter your chassis number and the specific problem you are having to see if we offer a solution.