Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1985 Mercedes Benz 190D AutomaticFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| Central Bolt on Injection Timer (Lefthand Threads) | 30-37 (40-50) |
| Connecting Fitting (Union) | 29-39 (39-49) |
| Glow Plugs | 36 (49) |
| Injection Pipe Cap Nuts | 15 (20) |
| Injection Pump Shaft Nut | 51 (69) |
| Nozzle Holder-to-Head | 54 (73) |
| Nozzle-to-Holder | 54 (73) |
| Nozzle Holder Connector | 54 (73) |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.