SEAT Workshop Service and Repair Manuals

Semi-automatic tensioning device for timing belt: checking Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter. Special tools and workshop equipment required

t  Socket -U 30025E-, see equivalent → Anchor Test sequence

–  Unscrew the fastening bolts -arrows- and remove the engine noise damping cover.

–  Unscrew the right-hand noise damping -fastening points 1 ... 3-. –  Remove the Poly-V belt → Chapter.

–  Position the support -U 30025E-. –  Fit the spindle hook -A- into the socket and tighten slightly. –  Release the coolant expansion tank and lay to side. –  Release the vacuum pipe for the carbon filter system. –  Remove the clips from the upper timing belt guard and remove the cover.

–  Position the crankshaft at TDC -arrow-.

–  Check that the mark on the camshaft sprocket is lined up with the mark on the guard -arrows-.

–  Unscrew the bolts -arrows- securing the drive train, engine side.

–  Unscrew the bolts -arrows- and remove the Poly V-belt tensioner. –  Remove vibration damper / pulley → Chapter.

–  Remove the fastening bolts of the console to the engine block -arrows-. –  Remove notched belt guard centre and lower parts.

–  Press with your thumb on the timing belt. The indicator -2- should move. –  Stop pressing the notched belt. –  Turn the crankshaft two complete turns in the direction of rotation of the engine.   Note It is important that it turns non-stop for the last 45°. The tightening device must return to its initial position, the indicator -2- and the break -1- must be facing each other. If the indicator arm does not return to the original position: –  Remove the notched belt → Chapter. –  Replace the tension roller. If the tensioning roller is correct: –  Install lower and centre notched belt guards.   Note Place the bolts into the console support before positioning it.

–  Fit the console to the engine block and tighten the bolts -arrows-. –  Fit vibration damper / pulley → Chapter.

–  Position the ribbed belt tension damper and tighten the bolts -arrows-.

–  Fit the driven train mounting, engine side, and tighten the bolts -arrows-.   Note Tightening torques of the mechanical unit engine mountings → Chapter. –  Fit the Poly-V belt → Chapter. Continue the fitting, following the reverse order of the removal process.