Audi A8 2003 - Wiper Blades: Checking for Damage; Headlight Washer System: Checking Operation

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3.28.2 Checking windscreen spray pattern: tri‐
ple washer jets
The spray pattern must meet the following specifications:
• Evenly distributed, symmetrical spray pattern
• Uniform, precise jets of water
• Jet unit (passenger's side): Water from all washer jets makes
contact within upper third of wiper area -illustration-
• Jet unit (driver's side): Spray pattern symmetrically opposite
that of jet unit on passenger's side
Procedure:
– Operate windscreen washer system and check spray pattern.
– If spray pattern is not set as specified, adjust windscreen
washer jets ⇒ page 47 .
3.28.3 Adjusting windscreen washer jets
Special tools and workshop equipment required
♦ Commercially available adjusting tool (e.g. adjusting tool -
T10127- ) or suitable needle
Procedure:
– Use adjusting tool to align washer jets as required according
to specification.
– If the spray pattern still cannot be set as specified, clean ap‐
propriate washer jets ⇒ Rep. gr. 92 ; Windscreen wiper
system; Adjusting washer jets .
3.29 Wiper blades: checking for damage
Step 1 - service position:
– Switch on ignition and activate MMI.
– Press function selector button CAR .
– Under »Systems«, navigate through following menu structure:
♦ Windscreen wipers
♦ Service position
– Use MMI rotary pushbutton to activate service position for
windscreen wipers.
Step 2 - checking:
– Lift windscreen wipers and check each wiper blade for tears,
cuts, abraded areas or other damage.
– Repeat check on rear window.
– If you find damage: Renew relevant wiper blade. Windscreen
wiper system ⇒ Rep. gr. 92 ; Windscreen wiper system; Re‐
moving and installing wiper blade .
3.30 Headlight washer system: checking op‐
eration
Not all vehicles are equipped with a headlight washer system
(depending on equipment version).
Procedure:
– Operate headlight washer system and check function.
Audi A8 2003 ➤
Maintenance - Edition 06.2014
3. Maintenance 47