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.
Automatic Level Control: Description
The 300TD rear suspension uses an automatic leveling system. The system contains a hydraulic pump, reservoir, leveling valve, pressure reservoir and special combination shock absorber/suspension struts.
The leveling valve lever, which is connected to the torsion bar, has 3 position: neutral, filling and return flow. This positioning of the leveling valve lever, due to the load in vehicle, controls amount of fluid in the special shock absorber which raises or lowers rear of vehicle to maintain a level attitude.
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.