A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
^ Replace crankcase ventilation valve and hoses.
^ Replace O-rings, clamps and miscellaneous fasteners only as necessary.
For vehicles up to MY03, VIN 8E 3 100001
^ Inspect and replace brake booster suction jet pump (circled in Figure 6) if clogged.
^ Replace O-rings, clamps and miscellaneous fasteners only as necessary.
6. To remove coked engine oil deposits, the engine is flushed using 6 quarts of engine cleaner.
a. Remove the oil filter.
b. Install the oil filter adapter on the oil filter holder.