Volkswagen Workshop Service and Repair Manuals

Removing and installing timing chain and drive chain for oil pump Special tools and workshop equipment required

t  Counterhold tool -T10172-

t  Counterhold tool -3036- Removing –  Remove valve timing housing → Chapter. –  Lock camshaft and crankshaft → Chapter. –  Lever spring wire -1- out of stud using a screwdriver.

–  Unscrew securing bolt -2- and remove chain tensioner. –  Remove securing bolt -3-. Counterhold the wheel using counterhold tool -T10172-. –  Remove chain sprocket for oil pump, roller chain and drive sprocket.

–  Press tensioning plate by hand in -direction of arrow- and lock chain tensioner using 3 mm hexagon key -1-.

–  Remove securing bolt. Use counterhold tool -3036- for this. –  Pull tensioning plate and guide rail forwards off guide pins. –  Remove roller chain from sprockets. Installing –  Place roller chain on crankshaft sprocket and camshaft sprocket. –  Push tensioning plate and guide rail forwards onto guide pins from front. –  Install camshaft chain sprocket using new securing bolt. Torque setting for sprocket securing bolt: 20 Nm + 1/4 turn (90°) further. –  Use counterhold tool -3036- for this. –  Fit oil pump roller chain to both sprockets. –  Fit new securing bolt to oil pump sprocket.

Torque setting for oil pump sprocket -3-: 20 Nm + 1/4 turn (90°) further. –  Install chain tensioner for the oil pump drive. Torque setting for sprocket securing bolt -2-: 15 Nm –  Use counterhold tool -T10172- for this. –  Lever spring wire -1- onto stud using a screwdriver. –  Tension camshaft roller chain by removing 3 mm hexagon key from chain tensioner. –  Check valve timing → Chapter –  Install timing housing → Chapter.