Workshop Manuals Factory service & repair Alfa Romeo
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Alfa Romeo GT Factory Service Manual (2003-2010)08 · Engine
08 · Engine

Engind front cover - r r

Make
Alfa Romeo
Model
GT Factory Service Manual
Year
2003–2010
Section
Crankcase sump and covers › Engind front cover - r r
EngineEngind front cover - r r

ENGIND FRONT COVER - R R

Operation 1020D17 · OIL SEALS ON CRANK SHAFT

2.0 JTS

Removing

Proceed with the removal

Op. 1004D40 ENGINE - POSITION ON STAND AND REMOVE.

1. Disconnect the electrical connections from the ignition coils.

DescriptionConnector
1Ignition coilSee A30 IGNITION ''COIL

2. Undo the bolt (2a) and disconnect the earth lead (2b) from the cam cover.

3. Undo the bolts (3a) and remove the bulkhead coupling (3b) aside.

ENGIND FRONT COVER - R R

1. Undo the bolts (1a) and remove the ignition coils (1b).

ENGIND FRONT COVER - R R

1. Undo the bolts (1a) and remove the cam cover (1b) complete with gasket.

ENGIND FRONT COVER - R R

1. Undo the bolts (1a) and remove the crankshaft pulley (1b).

2. Undo the fixing bolts (2a) and remove the lower protective timing cover (2b).

ENGIND FRONT COVER - R R

1. Loosen the counterrotating shaft toothed drive belt tensioner nut.

2. Release and remove the counterrotating shaft toothed timing drive belt.

ENGIND FRONT COVER - R R

1. Loosen the nut retaining the timing belt moving tensioner.

2. Release and remove the toothed timing drive belt.

ENGIND FRONT COVER - R R

1. Undo the plug and drain the engine oil.

Collect the engine oil in a suitable container.

ENGIND FRONT COVER - R R

Rotate the engine through 180° on the overhaul stand.

1. Undo the front and rear bolts (1a) fixing the crankcase sump using the tool (1b).

DescriptionCode
1bSpanner1.860.833.001

2. Undo the side bolts (2a) fixing the crankcase sump using the tool (2b).

DescriptionCode
2bSpanner1.860.834.001

3. Cut the crankcase sump sealant using the tool.

DescriptionCode
3Blade1.870.718.000

4. Remove the crankcase sump.

ENGIND FRONT COVER - R R

1. Undo bolts (1a) and remove the timing side rigid engine mount (1b).

2. Undo bolts (2a) and remove the counterrotating shaft toothed belt drive pulley (2b).

ENGIND FRONT COVER - R R

1. Fit the flywheel lock.

DescriptionCode
1Counter-torque1.860.846.001
ENGIND FRONT COVER - R R

1. Undo the bolt (1a) (left hand thread) and remove the toothed drive pulley (1b).

ENGIND FRONT COVER - R R

1. Unscrew the bolt securing the engine oil intake duct to the main bearing cap.

ENGIND FRONT COVER - R R

1. Undo the bolts (1a) and remove the engine block front cover (1b) with the built-in oil pump complete with intake chamber (1c), engine oil heat exchanger (1d) and engine oil filter (1e).

2. Remove the gasket.

ENGIND FRONT COVER - R R

1. Position the front crankcase cover assembly in a vice with protective jaws.

2. Undo the bolts (2a) and remove the engine oil intake duct (2b).

3. Remove the gasket.

4. Remove the engine oil filter using a suitable tool.

5. Undo the nut (5a) and remove the engine oil heat exchanger (5b) complete with pipes (5c).

6. Remove the gasket.

7. Prise up the crankcase front cover oil seal.

Take care not to damage the oil seal seat during its removal.

ENGIND FRONT COVER - R R

Refitting

1. Fit the crankshaft front oil seal (1a) on the front crankcase cover using the tool (1b).

DescriptionCode
1bFitting tool1.821.147.000
ENGIND FRONT COVER - R R

Position the front crankcase cover assembly in a vice with protective jaws.

Replace the engine oil heat exchanger complete with gasket and pipes in its seat and secure it using the pin.

Position the intake duct complete with gasket in its housing and secure it using the olts.

Rotate the engine through 180° on the overhaul stand.

1. Refit the front crankcase cover (1a) with built-in oil pump with gasket (1b), inlet duct (1c) and engine oil heat exchanger (1d).

2. Tighten the bolts securing the crankcase front cover to the recommended torque.

FasteningComponentØ

Value

(daNm)

2BoltFRONT COVER CRANKSHAFTM6(Engine crankcase side) 0.8 - 1.0
ENGIND FRONT COVER - R R

Srew the bolt securing the engine oil intake duct to the main bearing cap.

Lubricate the seal with engine oil and fit the engine oil filter tightening it fully by hand.

1. Position the toothed timing drive pulley (1a) in its housing and secure it tightening the bolt (anticlockwise) (1b) to the recommended torque.

FasteningComponentØ

Value

(daNm)

1bLeft hand boltDRIVE PULLEY(PULLIES) TIMINGM16(Crankshaft side) 20.9 - 23.1
ENGIND FRONT COVER - R R

Remove the flywheel lock.

DescriptionCode
Counter-torque1.860.846.001

1. Place the timing side rigid engine support (1a) in its housing and secure it tightening the bolts (1b) to the recommended torque.

FasteningComponentØ

Value

(daNm)

1bBoltRIGID ENGINE MOUNT, TIMING SIDEM10(Engine crankcase side) 4.5 - 5.5
ENGIND FRONT COVER - R R

Apply silicon sealant to the entire perimeter of the crankcase sump.

1. Position the sump on the crankcase.

2. Tighten the front and rear bolts (2a) fixing the crankcase sump to the recommended torque using the tool (2b).

FasteningComponentØ

Value

(daNm)

2aFront and rear boltsOIL SUMPM6(Engine crankcase side) 0.8 - 1.0
DescriptionCode
2bSpanner1.860.833.001

3. Tighten the side bolts (3a) fixing the crankcase sump to the recommended torque using the tool (3b).

FasteningComponentØ

Value

(daNm)

3aSide boltsOIL SUMPM8(Engine crankcase side) 2.3 - 2.8
DescriptionCode
3bSpanner1.860.834.001
ENGIND FRONT COVER - R R

Tighten the engine oil drain plug to the recommended torque.

FasteningComponentØ

Value

(daNm)

ENGINE OIL DRAIN PLUGM18(Crankcase sump side) 1.8 - 2.2

Rotate the engine through 180° on the overhaul stand.

1. Fit the tool (1a) complete with dial gauge (1b) in the seat for the spark plug for cylinder no. 1.

DescriptionCode
1aExtension1.860.895.001

Rotate the crankshaft clockwise until the piston for cylinder no. 1 is at T.D.C. on the combustion stroke.

If TDC is exceeded, do not turn backwards but proceed with the rotation in the same direction rotating the crankshaft through another two revolutions and return the piston for cylinder no. 1 to TDC.

ENGIND FRONT COVER - R R

1. Undo the inlet side driven timing pulley bolts (1a) using the tool (1b) for counter-torque.

DescriptionCode
1bCounter-torque1.860.856.001

2. Undo the exhaust side driven timing pulley bolt (2a) using the tool (2b) for counter-torque.

DescriptionCode
2bSpanner for rotating timing pullies1.860.831.002
ENGIND FRONT COVER - R R

Undo the bolts and remove the inlet side camshaft fourth cap and the exhaust side camshaft second cap.

1. Fit the tool (1a) in place of the camshaft caps that have been removed and secure them tightening the bolts (1b) to the recommended torque.

Check that the camshaft cam profile and the tool are correctly aligned.

DescriptionCode
1aTemplates1.870.859.000
FasteningComponentØ

Value

(daNm)

1bBoltTEMPLATES FOR ENGINE TIMINGM7(Cylinder head side) 1.0
ENGIND FRONT COVER - R R

1. Fit the timing toothed drive belt in the following order:

toothed drive pulley (1a)

fixed tensioner (1b)

exhaust side toothed driven pulley (1c)

Before fitting the belt on the exhaust side toothed driven pulley, turn it clockwise (see figure) to the end of its travel.

inlet side toothed driven pulley (1d)

Before fitting the belt on the intake side toothed driven pulley, turn it clockwise (see figure) to the end of its travel.

moving tensioner (1e)

water pump pulley (1f).

Fit the belt with the arrow stamped on it facing the direction of rotation of the engine (clockwise - timing side).

ENGIND FRONT COVER - R R

1. Use the tool to rotate the moving timing tensioner until the timing belt is completely taut.

DescriptionCode
1Spanner1.822.149.000

2. Tighten the nut fixing the moving timing tensioner to the recommended torque.

FasteningComponentØ

Value

(daNm)

2NutMOBILE TIMING TENSIONERM82.3 ÷ 2.8
ENGIND FRONT COVER - R R

1. Tighten the bolts (1a) for the inlet side toothed timing driven pulley to the specified torque using tool (1b) for counter-torque.

FasteningComponentØ

Value

(daNm)

1aBoltTIMING DRIVEN PULLIESM6(Inlet camshaft side) 0.8 - 1.0
DescriptionCode
1bCounter-torque1.860.856.001

2. Tighten the exhaust side driven timing pulley bolt (2a) to the specified torque using the tool (2b) for counter-torque.

FasteningComponentØ

Value

(daNm)

2aBoltTIMING DRIVEN PULLIESM12(Exhaust camshaft side) 10.8 - 13.2
DescriptionCode
2bSpanner for rotating timing pullies1.860.831.002
ENGIND FRONT COVER - R R

Remove the camshaft timing tools.

DescriptionCode
Templates1.870.859.000

Place the camshaft caps previously removed in their housings and secure them tightening the bolts to the recommended torque.

FasteningComponentØ

Value

(daNm)

BoltCAMSHAFT SUPPORTSM7(Cylinder head side) 1.4 - 1.7

Turn the crankshaft through two turns in its direction of rotation (clockwise - timing side) and move the cylinder no. piston to TDC.

1. Insert tool (1a) to hold the mobile timing tensioner still and loosen tensioner nut (1b).

DescriptionCode
1aSpanner1.822.149.000

2. Turn tool (2a) anticlockwise (timing side) to align tensioner mobile pointer (2b) with reference hole (2c).

DescriptionCode
2aSpanner1.822.149.000

3. Tighten the nut fixing the moving timing tensioner to the recommended torque.

FasteningComponentØ

Value

(daNm)

3NutMOBILE TIMING TENSIONERM82.3 ÷ 2.8
ENGIND FRONT COVER - R R

Turn the crankshaft through two revolutions in its direction of rotataion (clockwise - timing side) to move the first cylinder to TDC in the combustion phase and check the engine timing is correct using the tool.

DescriptionCode
Templates1.870.859.000

Remove the tool for checking T.D.C. from the housing for the spark plug for cylinder no.1.

DescriptionCode
Extension1.860.895.001

Place the spark plug for cylinder no.1 in its housing and tighten it to the recommended torque.

FasteningComponentØ

Value

(daNm)

SPARK PLUGSM14(Cylinder head side) 2.4 - 3.0

Position the counterrotating shaft toothed belt drive pulley in its housing and secure it tightening the bolts to the recommended torque.

FasteningComponentØ

Value

(daNm)

BoltCOUNTER-ROTATING SHAFT DRIVE PULLEYM6(Timing belt drive pulley side) 0.8÷1.0

1. Turn the counterrotating shafts so that the notches (1a) on the pulleys are aligned with ribs (1b).

2. Fit the lower timing belt protective cover and the crankshaft pulley and check the notches stamped on them are aligned.

Fit the counterrotating shaft toothed drive belt

ENGIND FRONT COVER - R R

1. Tension the counterrotating shaft drive belt using tool (1a) to move reference hole (1b) on the tensioner to the centre of the rotation sector.

DescriptionCode
1aSpanner1.822.154.000

2. Tighten the nut fixing the counterrotating shaft toothed belt tensioner to the recommended torque.

FasteningComponentØ

Value

(daNm)

2NutDRIVEBELT TENSIONER COUNTER-ROTATING SHAFTM6(Left counter-rot. shaft front cover side) 0.8÷1.0
ENGIND FRONT COVER - R R

1. Refit the lower timing belt covers (1a) and secure them using the bolts (1b).

2. Position the crankshaft pulley (2a) in its housing and secure it tightening the bolts (2b) to the recommended torque.

FasteningComponentØ

Value

(daNm)

2bBoltCRANKSHAFT PULLEYM82.3 ÷ 2.8
ENGIND FRONT COVER - R R

1. Place the cam cover (1a), complete with gasket, back in its housing and secure it tightening the bolts (1b) to the recommended torque.

FasteningComponentØ

Value

(daNm)

1bBoltCAM COVERM6(Cylinder head side) 0.8 - 1.0
ENGIND FRONT COVER - R R

1. Replace the ignition coils (1a) in their housings and secure them tightening the bolts (1b) to the recommended torque.

FasteningComponentØ

Value

(daNm)

1bBoltIGNITION COIL/REELM6(Cam cover side) 0.8 ÷ 1.0
ENGIND FRONT COVER - R R

Fit the bulkhead coupling in its housing and secure it using the bolts.

Connect the battery earth lead to the cam cover and secure it using the bolt.

Connect the electrical connections to the ignition coils.

Proceed with the refitting

Op. 1004D40 ENGINE - POSITION ON STAND AND REMOVE.

1.8 T.SPARK

Removing

1. Fit the tool.

DescriptionCode
1Counter-torque1.820.624.000
ENGIND FRONT COVER - R R

1. Loosen the bolt retaining the timing pulley.

Remove the tool.

DescriptionCode
Counter-torque1.820.624.000
ENGIND FRONT COVER - R R

1. Adjust the automatic belt tensioner using the tool to slacken the auxililary drivebelt.

2. Remove the auxiliary drive belt.

3. Undo the bolt (3a) and remove the auxiliary drive belt fixed tensioner (3b).

ENGIND FRONT COVER - R R

1. Undo the bolts (1a) and remove the upper timing belt guard (1b).

2. Undo the nut (2a) and remove the auxiliary drive belt pulley (2b).

3. Loosen the timing belt tensioner nut.

4. Remove the timing belt.

ENGIND FRONT COVER - R R

1. Completely undo the bolt (1a) loosened previously and remove the timing belt drive pulley (1b).

2. Undo the bolts (2a) and remove the timing side rigid engine mount (2b).

3. Disconnect the water outlet hose fitting from the water/oil heat exchanger.

4. Disconnect the water inlet hose in the water-oil heat exchanger.

ENGIND FRONT COVER - R R

Rotate the engine through 180° on the overhaul stand.

1. Unscrew the bolt connecting the crankcase sump to the intermediate driveshaft mount.

2. Undo the front and rear bolts (2a) fixing the crankcase sump using the tool (2b).

DescriptionCode
2bSpanner1.822.145.000

3. Undo the side bolts (3a) fixing the crankcase sump using the tool (3b).

DescriptionCode
3bSpanner1.822.144.000

4. Remove the crankcase sump.

To release the crankcase sump, tap it gently using a wooden or resin hammer, then use a screwdriver for leverage in the projections at the sides of the sump.

ENGIND FRONT COVER - R R

1. Undo the bolts (1a) and remove the oil pump (1b) with with intake chamber (1c), water - oil heat exchanger (1d) and engine oil filter (1e).

2. Remove the seal.

Remove the crankshaft front oil seal.

ENGIND FRONT COVER - R R

Refitting

Fit the oil pump with intake chamber, water-oil heat exchanger, oil filter and a new gasket and secure by tightening the bolts to the specified torque.

FasteningComponentØ

Value

(daNm)

1. Fit a new crankshaft front oil seal (1a) using the tool (1b).

DescriptionCode
1bFitting tool1.821.247.000
ENGIND FRONT COVER - R R

Apply silicon sealant to the entire perimeter of the crankcase sump.

Fit the crankcase sump.

ighten the front and rear bolts fixing the crankcase sump to the recommended torque using the tool.

FasteningComponentØ

Value

(daNm)

DescriptionCode
Spanner1.822.145.000

Tighten the side bolts fixing the crankcase sump to the recommended torque using the tool.

FasteningComponentØ

Value

(daNm)

DescriptionCode
Spanner1.822.144.000

Tignten the bolt connecting the crankcase sump to the intermediate driveshaft mount.

Rotate the engine through 180° on the overhaul stand.

Connect the water intake pipe in the water-oil heat exchanger and secure with the collar.

Tighten the water outlet hose fitting from the water/oil heat exchanger.

Fit the timing side power unit mount and secure it using the bolts.

Fit the timing belt drive pulley and secure with the bolt without tightening.

1. Disconnect the electrical connections from the ignition coils.

DescriptionConnector
1Ignition coilA30

2. Disconnect the earth lead from the cylinder head.

3. Disconnect the high tension leads (3a) from the spark plugs using tool (3b).

DescriptionCode
3bCaliper1.820.636.000
ENGIND FRONT COVER - R R

Undo the botls and remove the bracket complete with ignition coils and high tension leads.

Undo the bolts and remove the cam cover (2b) complete with gasket.

1. Loosen the bolt (1a) for the exhaust side driven timing pulley using tools (1b) for counter-torque.

DescriptionCode
1bCounter-torque1.822.146.000
DescriptionCode
1bCounter-torque1.822.156.000

2. Loosen the bolts (2a) for the inlet side camshaft pulley using tool (2a) for counter-torque.

DescriptionCode
2bCounter-torque1.822.155.000
ENGIND FRONT COVER - R R

1. Fit the tool (1a) complete with dial gauge (1b) in the seat for the spark plug for cylinder no. 1.

DescriptionCode
1aExtension1.825.013.000

Rotate the crankshaft until the piston for cylinder no. 1 is at T.D.C. on the combustion stroke.

Unscrew the bolts and remove the third cap on the intake and exhaust camshafts.

2. Fit tool (2a) in place of the camshaft caps that have been removed and secure them tightening the bolts (2b) to the recommended torque.

Check that the camshaft cam profile and the tool are correctly aligned.

DescriptionCode
2aTemplates1.870.734.000
FasteningComponentØ

Value

(daNm)

2bBoltTEMPLATES FOR ENGINE TIMINGM7(Cylinder head side) 1.0
ENGIND FRONT COVER - R R

Fit the timing belt.

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

DescriptionCode
1Spanner1.822.149.000

2. Tighten the belt tensioner nut to the recommended torque.

FasteningComponentØ

Value

(daNm)

2

3. Tighten the bolts (3a) for the inlet side toothed timing drive pulley to the specified torque using tool (3b) for counter-torque.

FasteningComponentØ

Value

(daNm)

3a
DescriptionCode
3bCounter-torque1.822.155.000

4. Tighten the bolt (4a) for the exhaust side toothed timing drive pulley to the specified torque using tools (4b) for counter-torque.

FasteningComponentØ

Value

(daNm)

4a
DescriptionCode
4bCounter-torque1.822.146.000
DescriptionCode
4bCounter-torque1.822.156.000

Undo the bolts and remove the tool.

DescriptionCode
Templates1.870.734.000

Fit the camshaft cams removed previously and tighten the bolts to the recommended torque.

FasteningComponentØ

Value

(daNm)

Turn the crankshaft through two revolutions.

Loosen the timing belt tensioner nut.

5. Align the mobile pointer (5a) on the timing belt with reference hole (5b) using tool (5c).

DescriptionCode
5cSpanner1.822.149.000

Tighten the belt tensioner nut to the recommended torque.

FasteningComponentØ

Value

(daNm)

ENGIND FRONT COVER - R R

Remove the tool complete with dial gauge.

DescriptionCode
Extension1.825.013.000

Fit the spark plug for cylinder no. 1.

Fit the cam cover complete with gasket and secure it using the bolts.

Fit the bracket complete with ignition coils and high tension leads and secure using the bolts.

Connect the spark plug high tension leads.

Connect the earth lead to the cylinder head.

Connect the electrical connections to the ignition coils.

Fit the upper timing belt guard and secure it using the bolts.

Fit the auxiliary drive belt drive pulley and secure it tightening the bolts to the recommended torque.

FasteningComponentØ

Value

(daNm)

Fit the auxiliary drive belt fixed tensioner and secure it with the bolt.

Fit the auxiliary drive belt by prising over the autumatic belt tensioner using a wrench.

Fit the tool.

DescriptionCode
Counter-torque1.820.624.000

Tighten the timing belt pulley bolt to the specified torque.

FasteningComponentØ

Value

(daNm)

Remove the tool.

DescriptionCode
Counter-torque1.820.624.000

Parts & tools for this job For 2003 Alfa Romeo GT

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