ENGINE (FROM ABOVE AND BELOW) AND ENGINE COMPARTMENT: VISUAL INSPECTION
FOR LEAKS AND DAMAGE
Perform visual check as follows:
Check engine and engine compartment for leaks and damage.
Check lines, hoses and connections on following systems for leaks, chafing, porosity and cracks:
Fuel system
Cooling and heating system
Brake system
Perform visual inspection from below using same viewpoints as when vehicle was on lift and noise
insulation removed.
ENGINE COVER: REMOVING AND INSTALLING
6 cylinder engine cover, removing
Clean air filter housing (upper and lower parts) of salt residue, dirt or
leaves (clean with vacuum, if necessary).
Check mass air flow sensor and intake hose (clean air side) for salt
residue, dirt and leaves.
Check intake canal up to filter insert for soiling.
When installing air filter insert, ensure it is centered in mount on bottom of
air filter.
Carefully and gently place upper part of air filter on lower part. When doing
so, ensure upper part of air filter is not crooked on air filter insert. Pay
attention to the seal lip on the air filter insert (air leak).
Finally, screw upper part of air filter onto lower part.
WARNING:
Malfunctions found must be rectified (repair measure).
2008 Audi A6 Quattro
Maintenance Maintenance Procedures
FIXYOURCAR
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