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Procedure:
– Unscrew filler cap with dipstick.
– Clean dipstick with a clean cloth.
– Screw cap on hand tight and unscrew again.
– Check fluid level according to scale on dipstick.
– If fluid level does not meet specification: Perform following
measures as appropriate:
Fluid level: Measure:
Above specified level Extract hydraulic fluid.
Below specified level Check hydraulic power steering system for leaks ⇒ Running gear, front-wheel
drive and four-wheel drive; Rep. gr. 48 ; Hydraulic power steering; Checking
steering system for leaks .
3.49 Cooling system: checking anti-freeze
protection and coolant level, and cor‐
recting if necessary
WARNING
Coolant expansion tank under pressure - risk of injuries!
♦ Only open coolant expansion tank when engine is cold.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
100 3. Maintenance