1032B16 TOOTHED TIMING BELT - R R WITH ENGINE REMOVED - Alfa - 159 - eLearn

939010461 - 1032B16 TOOTHED TIMING BELT - R R WITH ENGINE REMOVED

) 1. Position the flywheel retaining tool in its seat.

	Description	Code	Function
1	Flywheel lock	1.860.846.001	Prevent the rotation of the crankshaft

1. Undo bolts (1a) securing crankshaft pulley (1b) and remove.2. Undo the fixing bolt (2a) and remove the single drivebelt fixed tensioner (2b).

1. Undo bolts (1a) and remove the protective timing covers (1b).

1. Loosen the moving timing tensioner nut.2. Remove the toothed timing belt.

Refitting ( Removing

) 1. Remove plug (1a) and fit camshaft timing tool (1b) to the cylinder head extension.

Check the tools marked "A" are correctly fitted in the seat on the camshaft.

	Description	Code	Function
1b	Templates	1.870.896.900	Engine tuning

1. Undo the bolt fixing the crankcase front cover shown in the diagram.Temporarily fit the toothed timing drive belt on the drive pulley.2. Fit the tool (2a) and fasten it using the calibrated screw (2b).

The crankshaft must be rotated, using small movements, to allow the locating dowel on the timing drive pulley to be inserted in the opening in the tool.

	Description	Code	Function
2a	Template	1.860.905.000	Engine tuning

	Description	Code	Function
2b	Calibrated screw	1.860.905.010	Engine tuning

2. Fully fit the toothed timing drive belt.3. Use a screwdriver on the tensioner (3a) tab for leverage until the reference (3b) is in the maximum tension position, then lock the nut (3c) fixing the moving tensioner in this position.

Remove the tools used to adjust the timing.

	Description	Code	Function
.	Templates	1.870.896.900	Engine tuning

	Description	Code	Function
.	Template	1.860.905.000	Timing belt timing

	Description	Code	Function
.	Calibrated Screw	1.860.905.010	Timing belt timing

Rotate the crankshaft through two revolutions.

4. Re-check the alignment of the timing references, loosen the nut securing the mobile tensioner and align mobile indicator (4a) with hole (4b), i.e. adjust to nominal tension position, then tighten nut (4c) securing the belt tensioner to torque.

	Value daNm	Fastening	Component	Ø
4c	2.5	Nut	MOBILE TIMING TENSIONER	M8

1. Loosen the bolt retaining the timing pulley.

Rotate the crankshaft through two revolutions.Recheck the timing by refitting the timing tools.Check the timing belt tensioner references are aligned.Tighten the bolt fixing the crankcase front cover removed previously.Tighten the plug on the cylinder head extension for fitting the exhaust side timing tool.Fit the toothed timing belt protective guards and tighten the retaining bolts.Position the flywheel retaining tool in its seat.

	Description	Code	Function
.	Flywheel lock	1.860.846.001	Prevent the rotation of the crankshaft

Fit the crankshaft pulley in position and tighten the fixing bolts.

	Value daNm	Fastening	Component	Ø
.	2.5	Bolt	CRANKSHAFT PULLEY	M8

Fit the fixed timing belt tensioner for the single engine component drive belt and tighten the retaining bolt to torque.Remove the flywheel lock.

	Description	Code	Function
.	Flywheel lock	1.860.846.001	Prevent the rotation of the crankshaft

Tighten the bolt fixing the exhaust side camshaft toothed pulley to the recommended torque.