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Maintenance Procedures: Maintenance Audi S8 D3 facelift

Procedures 10 illustrations ~836 words

Brake fluid level, dependent on lining wear: Check

Use only new Original VW / Audi brake fluid.

WARNINGBrake fluid is poisonous. Due to its caustic nature, it must also never be brought into contact with paint. Brake fluid is hygroscopic, meaning that it absorbs moisture from the surrounding air, and must therefore always be stored in air-tight containers.
  1. Please observe the following

Scheme 8

Scheme 8: Delivery inspection
Scheme 8: Delivery inspection
  1. Fluid level must be at MAX mark

Note. To prevent the brake fluid from overflowing from the reservoir, the level must not be over the MAX mark.

Brake fluid, changing

Note. Use only new Original VW / Audi brake fluid.

Scheme 9

Scheme 9: Special tools, testers, and measuring equipment
Scheme 9: Special tools, testers, and measuring equipment
  1. Brake filling and bleeding tool VAS 5234

Scheme 10

Scheme 10
Scheme 10
  1. Brake filling and bleeding tool V.A.G 1869 with upgrade kit V.A.G 1869/4
WARNINGBrake fluid must never come into contact with fluids containing mineral oils (oil, gas, cleaning solutions). Oils containing minerals damage seals and sleeves on brake systems. Brake fluid is poisonous. Due to its caustic nature, it must also never be brought into contact with paint. Brake fluid is hygroscopic, which means that it absorbs moisture from the air. Always store brake fluid in air-tight containers. Wash off brake fluid spillage using plenty of water. Observe waste disposal regulations!

Observe operating instructions for VAS 5234 or for V.A.G 1869 !

Scheme 11

Scheme 11
Scheme 11
  1. Remove brake fluid reservoir cap - 1 -.
WARNINGThe strainer in the brake fluid reservoir must not be removed.
  1. Remove brake fluid reservoir plug - arrow -.

Scheme 12

Scheme 12
Scheme 12
  1. Connect suction hose from VAS 5234 or V.A.G 1869 to tube - 1 - of brake fluid reservoir.
  2. With suction hose from VAS 5234 or from V.A.G 1869 or with extractor, extract 2/3 of the brake fluid.
  3. Disconnect suction hose.
  4. Connect suction hose from VAS 5234 or V.A.G 1869 to tube - 2 - of brake fluid reservoir.
  1. With suction hose from VAS 5234 or from V.A.G 1869 or with extractor, extract 2/3 of the brake fluid.
  2. Disconnect suction hose.
  3. Install brake fluid reservoir plug.
WARNINGDo not reuse, (used) extracted brake fluid.

Scheme 13

Scheme 13
Scheme 13
  1. Install adapter - 1 - to brake fluid reservoir.
  2. Connect filler hose - 2 - from VAS 5234 or V.A.G 1869 to adapter.
  3. Remove caps from the bleeder screws.

Scheme 14

Scheme 14
Scheme 14
  1. Connect extractor bleeder hose - 1 - to rear right bleeder screw, open bleeder screw and allow about 200 ml to flow out. Close bleeder screw.

Repeat work sequence on other side of vehicle at rear.

  1. Connect extractor bleeder hose - 1 - to front right bleeder screw, open bleeder screw and allow about 200 ml to flow out. Close bleeder screw.

Repeat work sequence on other side of vehicle at front.

Table - Sequence / quantity of brake fluid

Right rear200 ml
Left rear200 ml
Right front200 ml
Left front200 ml
Total amount * See footnote1.000 ml

* with extracted brake fluid from brake fluid reservoir

  1. Fit cover caps to brake caliper bleed screws.
  2. Move filler lever on VAS 5234 or V.A.G 1869 to position - B - (see operating instructions).
  3. Take filler hose off adapter.
  4. Unscrew adapter from brake fluid reservoir.
  1. Check brake fluid level and correct if necessary.
  2. Install cap to brake fluid reservoir.
  3. Check pedal pressure and brake pedal free play. Free play: Max. 1 / 3 of pedal travel

Power steering: Check for leaks and fluid level, top off Power steering fluid, if necessary

Note. With W12 engines, left upper part of air filter box must be removed in order to check the power steering fluid level. W12 gasoline engine --> 24 MULTIPORT FUEL INJECTION (MFI) Fluid, when cold

  1. With engine not running, move front wheels in straight-ahead position.
  1. Warm fluid (at approx. 50 ° C)
  1. With engine running, bring front wheels to straight position.

Scheme 15

Scheme 15
Scheme 15
  1. Remove cap - arrow - with fluid dipstick.
  2. Clean dipstick with clean cloth.
  3. Screw cap on hand-tight and remove again.
  1. Check fluid level
  1. Fluid, when cold

Fluid level must be in area of MIN mark (up to 2 mm above or below mark)

  1. Warm fluid (at approx. 50 ° C)

Check fluid level. It must be between MIN and MAX markings.

Note. Screw cap fully in to get an accurate fluid level reading. If fluid level is above specified range, fluid must be extracted off.

WARNINGIf fluid level is below specified area, then the power steering system must be checked for leaks (repair measure). It is not enough to simply top off with fluid.
  1. If no leaks are detected, top off with power steering fluid "G 002 000".
  2. Screw in cap hand tight.

Rear lid hinges: Lubricate

  1. Open rear lid
  2. Remove left/right lid hinge cover if present.

Scheme 16

Scheme 16
Scheme 16
  1. Lubricate each of the four hinge joints on both rear lid hinges - arrows -.
  1. Lubricant: "G 000 115 A2"

Note. Included spray tube must be inserted in sprayer head to aim spray. Shake spray can about five times. Spray must not be shaken too long or hard because otherwise spray oil will foam up and its lubricating ability is reduced.

  1. Clean excess oil from body and joints.

Windshield/headlamp wiper system: Filling with fluid

  1. Fill washer fluid fully.

Note. Always add a neutral pH window cleaner to washer fluid (freeze protection in winter).

Plenum chamber water drain, checking and cleaning

  1. Clean dust and pollen filter area before installing new filter.
  1. Remove left and right plenum chamber cover.

Scheme 17

Scheme 17
Scheme 17
  1. Loosen locking pin -A- by turning 180 ° and remove cover - B - with dust and pollen filter - C -.
  2. Remove dust and pollen filter - C - from housing.

Note. The filter unit has an activated charcoal insert with integrated odor filter. Clean plenum chamber after replacing dust and pollen filter. Pay special attention to area under air conditioning unit. Clean dust and pollen filter area before installing new filter. Observe waste disposal regulations!

Service display, resetting

  1. Follow these steps in sequential order.
  1. Connect VAS 5051/5052
  2. Guided Fault Finding or Guided Functions
  3. Go to - function/component selection
  4. Service work
  1. Combination Processor, reset WIV
  2. Now follow guided program

Note. Please follow guided program function description WIV = Wartungsintervall - Verlangerung (Maintenance Interval Extension)

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