SEAT Workshop Service and Repair Manuals

Installation   Note! Adjustment of the toothed belt must only be done with the engine cold.

–  Remove the securing bolts -1- from the camshaft wheel until the camshaft wheel can be turned –  Turn the camshaft wheel clockwise in its elongated holes -arrow- up to the limit.

–  Carefully turn the excentric clockwise with tool -U-30009A- until the excentric is just reaching the stop -B-. –  Fit the toothed belt on the camshaft wheel, the tensioning roller, the crankshaft sprocket and finally on the coolant pump wheel. –  Fit the toothed wheel tensioner.

–  Turn the excentric anti-clockwise with tool -U-30009A- (the excentric lug moves towards stop -A-) until the locking plate -T10008- can be removed freely. –  Release tensioner clockwise (excentric lug moves towards stop -B-) until the dimension -a- is attained. Specification dimension -a-: 4 ±1 mm.   Note! t  The dimension -a- lessens while tightening the fixing bolts of the tension roller. Thus adjust generously with the 4 mm diameter drill. t  Dimension -a- can decrease up to 1 mm when the engine is hot. –  Keep the tensioner roller in this position and tighten the tensioner nut to torque 20 Nm + 45° (1/8 turn)

–  Tighten the camshaft wheel bolts -1- to a torque of de 25 Nm. –  Remove locking tool -T20102- and crankshaft immobiliser -T10050-. –  Continue turning crankshaft two turns in the direction of engine rotation and re-set at TDC cylinder 1.   Note! t  The crankshaft locking tool stub must fit into the hole in the sealing flange while turning. t  If the crankshaft is turned beyond Cyl. 1 TDC and the crankshaft immobiliser could not be completely inserted into the sealing flange, turn crankshaft 1/4 turn backwards to return it to Cyl. 1 TDC. The immobiliser insertion position cannot be corrected by turning the crankshaft contrary to engine rotation. –  After introducing the crankshaft immobiliser -T10050-, check that: 1) dimension -a- is attained and 2) the hub can be immobilised with the locking tool -T20102- If dimension -a- is not attained: –  Re-tension the tensioning roller. For this, secure the tensioning roller with the wrench -U-30009A-, unscrew the bolt and relax the contrary force of the tensioner until dimension -a- is reached Specification dimension -a-: 4 ± mm Re-tighten the fixing bolt torque 20 Nm + 45° (1/8 turn) If the camshaft wheel can not be immobilised –  Remove the stub of the crankshaft immobiliser from the hole in the sealing flange and turn the crankshaft until the hub can be locked with the pin.

–  Loosen bolts -1- on the camshaft wheel.

–  Turn crankshaft in the opposite direction of engine rotation until the crankshaft immobiliser stub is just opposite the sealing flange hole -arrow-. –  Turn crankshaft in the engine rotation direction until the crankshaft immobiliser stub can be inserted into the sealing flange when moving. –  Tighten the camshaft wheel bolts to a torque of de 25 Nm –  Turn the crankshaft two turns in the direction of engine rotation until cylinder 1 TDC is again reached.   Note! t  The crankshaft locking tool stub must fit into the hole in the sealing flange while turning. t  If the crankshaft is turned beyond Cyl. 1 TDC and the crankshaft immobiliser could not be completely inserted into the sealing flange, turn crankshaft 1/4 turn backwards to return it to Cyl. 1 TDC. The immobiliser insertion position cannot be corrected by turning the crankshaft contrary to engine rotation. –  Repeat the check. –  Begin by installing lower part of toothed belt guard as well as belt pulley/vibration damper. –  Fit central toothed belt guard. –  Fit engine mounting to cylinder block. Tightening torques: → Chapter –  Fit upper toothed belt guard. –  Install ribbed belt → Chapter –  Fit the air filter/turbo compressor and intercooler/breather tube connecting hoses.