Engine And Engine Compartment From Underneath, Checking For Leaks And Damage

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Correct any malfunctions (repair procedure).

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING .

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

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

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

-- Install the engine cover. Refer to ENGINE COVER, REMOVING .

-- Raise the vehicle. Refer to RAISING VEHICLE .

-- Inspect the engine, the lines and the hoses from underneath.

-- Check the transmission and steering for leaks and damage.

NOTE:

When inspecting every 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.

Remove the quick-release connectors on the noise insulation if necessary so that it is possible to inspect with a flashlight. Lift the noise insulation carefully. It can break.