1020E16 OIL SEAL COVER ON LEFT HAND COUNTER-ROTATING SHAFT - R R ENGINE AT BENCH - Alfa - 166 - eLearn

3315357 - 1020E16 oil seal cover on left hand counter-rotating shaft - r r engine at bench

) 1. Undo the bolt (1a) and the nut (1b) and remove the single drive belt guard (1c).2. Adjust the automatic belt tensioner with a wrench to slacken the tension of the single drive belt.3. Remove the single drive belt.4. Undo the bolt (4a) and remove the fixed single drive belt tensioner (4b).

1. Undo the bolts (1a) and remove the upper timing belt guard (1b).2. Undo the bolts (2a) and remove the single drive belt pulley (2b).3. Undo the bolts (3a) and remove the lower timing belt guard (3b).4. Slacken the nut on the counter-rotating shafts belt tensioner and remove the counter-rotating shafts drive belt.5. Loosen the timing belt tensioner nut.6. Remove the timing belt.

1. Undo the bolt (1a) and remove the fixed timing belt tensioner (1b).2. Undo the bolt (2a) on the left counter-rotating shaft pulley, using the tool (2b) for counter-torque.

	Name	Country
2b	Counter-torque	1.820.286.000

3. Remove the left counter-rotating shaft pulley.

1. Undo the bolts (1a) and remove the oil cover from the left counter-rotating shaft (1b) complete with oil seal (1c), O-ring and counter-rotating shafts belt tensioner (1d).

Remove the oil seal and O-ring from the cover.Undo the nut and remove the counter-rotating shafts belt tensioner from the cover.

Refitting ( Removing

) 1. Fit a new oil seal (1a) on the cover with the tools (1b).

	Name	Country
1b	Fitting tool	1.821.247.000

Fit a new O-ring on the oil cover.Fit the counter-rotating shafts belt tensioner and fix it using the nut without tightening it.Fit the oil cover on the left counter-rotating shaft complete with oil seal, O-ring and counter-rotating shafts belt tensioner, and tighten the bolts to torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	COUNTER ROTATING SHAFT FRONT COVER	M6	0.6 - 0.7

Fit the left counter-rotating shaft pulley and fix it using the bolt, using the tool for counter-torque.

	Name	Country
-	Counter-torque	1.820.286.000

Fit the timing belt fixed tensioner and fix it using the bolt.1. Disconnect the electrical connections from the ignition coils.

	Name	Connector
1	Ignition coil	A30

2. Disconnect the earth lead from the cylinder head.3. Disconnect the high-tension leads (3a) from the spark plugs using the tool (3b).

	Name	Country
3b	Pliers	1.820.636.000

4. Disconnect the oil vapour recovery pipe from the rocker cover.

1. Slacken the bolt (1a) on the exhaust side camshaft pulley, using the tools (1b) for counter-torque.

	Name	Country
1b	Counter-torque	1.822.146.000

	Name	Country
1b	Counter-torque	1.822.156.000

2. Slacken the bolts (2a) of the inlet side camshaft pulley, using the tool (2b) for counter-torque.

	Name	Country
2b	Counter-torque	1.822.155.000

Undo the bolts and remove the bracket complete with ignition coils and high-tension leads.Undo the bolts and remove the rocker cover complete with gasket.1. Fit the tool (1a), complete with dial gauge (1b), in the housing of the spark plug for the 1st cylinder.

	Name	Country
1a	Extension	1.825.013.000

Rotate the crankshaft until the piston for cylinder no. 1 is at T.D.C. at the power stroke.Undo the bolts and remove the third cap from the inlet and exhaust camshafts.2. Fit the tool (2a) in place of the removed camshaft caps, and tighten the bolts (2b) to torque.

Check that the camshaft cam profile matches the tool exactly.

	Name	Country
2a	Gauge	1.825.041.000

Fit the timing belt.1. Apply maximum tension to the timing belt using the tool.

	Name	Country
1	Key	1.822.149.000

2. Tighten the timing belt tensioner nut to torque.

	Fastening	Component	Ø	Value(daNm)
2	Nut	MOBILE TIMING TENSIONER	M8	2.1 - 2.6

3. Tighten the bolts (3a) of the inlet camshaft pulley, using the tool (3b) for counter-torque.

	Name	Country
3b	Counter-torque	1.822.155.000

4. Tighten the bolt (4a) on the exhaust camshaft pulley to torque using the tools (4b) for counter-torque.

	Fastening	Component	Ø	Value(daNm)
4a	Bolt	TIMING GEAR DRIVEN PULLEYS	M12	10.0 - 12.4

	Name	Country
4b	Counter-torque	1.822.146.000

	Name	Country
4b	Counter-torque	1.822.156.000

Undo the bolts and remove the tool.

	Name	Country
-	Gauge	1.825.041.000

Fit the camshaft caps removed previously and tighten the bolts to torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	Templates for engine tuning	M7	1.3 - 1.6

Rotate the crankshaft through two revolutions.Slacken the timing belt tensioner nut.5. Make sure that the moving reference (5a) for the timing belt tensioner lines up with the reference hole (5b), using the tool (5c).

	Name	Country
5c	Key	1.822.149.000

Tighten the timing belt tensioner nut to the specified torque.

	Fastening	Component	Ø	Value(daNm)
-	Nut	MOBILE TIMING TENSIONER	M8	2.1 - 2.6

Rotate the crankshaft until the piston of cylinder no. 1 is at T.D.C.1. Position the counter-rotating shafts so that the references on the pullies line up with the references on the front covers.2. Fit the counter-rotating shafts drive belt.

1. Tension the counter-rotating shafts drive belt using the tool (1a) so that the reference hole (1b) on the belt tensioner is at the centre of the rotation sector.

	Name	Country
1a	Key	1.822.154.000

2. Tighten the nut on the counter-rotating shafts belt tensioner.

Remove the tool complete with dial gauge.

	Name	Country
-	Extension	1.825.013.000

Fit the spark plug for cylinder no. 1.Fit the rocker cover complete with gasket and fix it using the bolts.Connect the oil vapour recovery pipe to the rocker cover.Fit the bracket complete with ignition coils and high-tension cables and fix it using the bolts.Connect the high-tension leads to the spark plugs.Connect the earth lead to the cylinder head.Connect the electrical connections to the ignition coils.Fit the timing belt lower guard and fix it using the bolts.Fit the timing belt upper guard and fix it using the bolts.Fit the single drive belt pulley and tighten the bolts to torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	CRANKSHAFT PULLEY	M8	2.4 - 2.9

Fit the fixed single drive belt tensioner and fix it using the bolt.Fit the auxiliary components drive belt, using a spanner to lever on the automatic belt tensioner.Fit the single drive belt guard and fix it using the nut and bolt.