Volkswagen Workshop Service and Repair Manuals

Special tools, workshop equipment, test and measuring appliances and auxiliary items required

• ◆ T10022 Sleeve
• ◆ 3083 Oil seal fitting tool
• ◆ V.A.G 1331 Torque wrench (5...50 Nm)

Removing

• ‒ Remove main drive toothed belt ; Removing, installing and tensioning toothed belt.
• ‒ → Secure crankshaft toothed belt sprocket -1- to crankshaft with old securing screw -2-.
• ‒ Position crankshaft at TDC No. 1 cylinder:

• The tooth ground down on the toothed belt sprocket must align with mark on the oil pump -arrow-.

• ‒ → Turn crankshaft/toothed belt sprocket three teeth anti-clockwise away from TDC:

• The third tooth -arrow- to the right of the tooth ground down -A- on the toothed belt sprocket must align with TDC mark on the oil pump housing.

Note:

This procedure moves the crankshaft to the correct installation position for the oil pump. One of the polygon cams on the crankshaft is uppermost.

• ‒ Remove main drive tensioning roller.
• ‒ Remove sump => Page 17-8 .
• ‒ Remove suction pipe => Page 17-6 , item 25 .
• ‒ Remove crankshaft toothed belt sprocket.
• ‒ Remove oil pump.
• ‒ Remove gasket.
• ‒ Remove sealant remnants on cylinder block with a flat scraper.
• ‒ Clean sealing surfaces, they must be oil and grease free.

Installing

Conditions

• ● → One of the polygon cams -arrow- on the crankshaft is uppermost.

Work sequence

• ‒ → Fit sleeve T10022 and hexagon socket head bolt from 3083 onto crankshaft and tighten hand tight.
• ‒ Fit new gasket onto guide pins -A-.

• ‒ → Position one of the oil pump inner rotor markings arrow -A- on installation position mark arrow -B- on oil pump housing cover.
• ‒ Coat the four crankshaft polygon cams with oil.
• ‒ Lightly oil sealing lip of oil pump oil seal.
• ‒ Guide oil pump carefully onto crankshaft polygon cams.
• ‒ Align inner rotor to crankshaft polygon cams by turning slightly if necessary.
• ‒ Then slide oil pump carefully onto guide pins.
• ‒ Secure oil pump with new bolts.
       Tightening torque: 12 Nm
• ‒ Remove sleeve T10022.
• ‒ Install suction pipe => Page 17-6 , item 25 .
• ‒ Install sump => Page 17-8 .
• ‒ Install main drive tensioning roller, install toothed belt and tension => Page 13-14 , Removing, installing and tensioning toothed belt.