Engine And Engine Compartment From Below, Sealing Boots, Checking For Leaks And Damage

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WARNING:

Warning information for the high voltage system:

Procedures near high voltage components. Refer to PROCEDURES NEAR HIGH VOLTAGE COMPONENTS .

Procedures for which the ignition needs to be switched off. Refer to PROCEDURES FOR WHICH THE IGNITION NEEDS TO BE SWITCHED OFF .

WARNING:

Correct any malfunctions (repair procedure).

-- Check engine and components in engine compartment for leaks and damage.

-- Check the lines, hoses and connections for the following components for leaks, chafing, porosity and cracks.

Fuel system
Cooling and heating system
Oil circuit
A/C system
Intake system

-- Check transmission and steering for leaks and damage.

NOTE:

When inspecting every 40, 000 miles (60, 000 km) without additional scope : Depending on the procedure when changing the engine oil, removing the noise insulation on the underbody is not necessary.

If necessary, remove the quick-release connectors on the noise insulation at the corresponding position so that it is possible to use a flashlight to perform a visual inspection. Carefully lift noise insulation. Danger of breaking.