Oil Pan: Removing
If large quantities of metal particles or abraded material are detected during engine repairs, it may be an indication for a damaged crankshaft or rod bearings. To prevent further damage, perform the following steps after the repair:
Carefully clean oil passages.
Replace oil cooler.
Replace oil filter insert.
-- Remove Engine Cover.
One Piece Engine Cover
Pull the one piece front engine cover -arrows A- upward with a quick jerk and then pull the lower mount -arrow B- forward.
Two Piece Engine Cover
On the two piece engine cover, first pull the outer cover upward with a quick jerk -arrows in the upper illustration-, then pull the inner engine cover upward with a quick jerk -arrows in lower illustration-.
-- Remove the air filter/turbocharger intake hose.
-- Carefully cut the cable tie -1-.
-- Open the wiring bracket -2- and disengage the wiring harness.
-- Disconnect the connector -2- on the Mass Air Flow (MAF) sensor -G70-.
-- Disconnect the ventilation hose -1- and disengage it from the bracket -arrow-.
-- Open the spring-type clip -3- using spring-type clip pliers VAS 5024A and disconnect the intake hose from the Mass Air Flow (MAF) sensor -G70-.
-- Disconnect the intake manifold -5- from the air guide.
-- Unfasten bolt -4- and remove air filter housing and mass air flow sensor.
-- Remove both bolts -arrows- from the upper charge air pipe -A-.
-- Remove noise insulation. Refer to Removal and Installation .
-- Remove the charge air pipe bolt -arrow- -A- from the oil pan.
-- Disconnect the connector, if equipped, from the oil level thermal sensor -G266-.
-- Drain engine oil.
Observe disposal regulations!
-- Remove the oil pan/transmission connecting bolts.
-- Loosen oil pan screws with 10 mm hex ball socket 3185. (Remove using 5 mm socket 3249 or T10058).
-- Remove the oil pan. Loosen oil pan with light blows of a rubber headed hammer if necessary.
-- Remove sealant residue from cylinder block with a flat scraper.
-- Remove remaining sealant at oil pan using a rotating brush, e.g. a drill with plastic brush attachment (wear protective glasses).
-- Clean sealing surfaces. They must be free of oil and grease.