Workshop Manuals Factory service & repair Fiat
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
Fiat Stilo Factory Service Manual (2001-2007)08 · Engine
08 · Engine

Piston connecting rod set - r r

Make
Fiat
Model
Stilo Factory Service Manual
Year
2001–2007
Section
Pistons and connecting rods › Piston connecting rod set - r r
EnginePiston connecting rod set - r r

Piston connecting rod set - r r

Operation 1028H14 · Pistons and connecting rods

1.2 16v

Removing

- 1020A24 crank case oil sump - r + r clean seals for sealant application with engine removed

1. Position the flywheel retainer.

NameCountry
1Counter-torque1.860.846.000

2. Undo the fixing bolts (2a) and remove the clutch plate (2b).

Piston connecting rod set - r r

1.4 16v

Removing

- 1020A24 crank case oil sump - r + r clean seals for sealant application with engine removed

1. Position the flywheel retainer.

NameCountry
1Counter-torque1.860.846.000

2. Undo the fixing bolts (2a) and remove the clutch plate (2b).

Piston connecting rod set - r r

1.6 16v

Removing

- 1020A24 crank case oil sump - r + r clean seals for sealant application with engine removed.

1. Undo the retaining bolts.

2. Remove the engine oil pump (2a) complete with draught element (2b).

Recover the oil pump gasket.

3. Undo the fixing bolt (3a) and remove the section of the engine oil dipstick inside the cylinder block/crankcase (3b).

Piston connecting rod set - r r

1.8 16v

Removing

1. Undo the front and rear bolts (1a) for the crankcase sump using the spanner (1b).

NameCountry
1bKey1.860.834.000

2. Undo the side bolts (2a) for the crankcase sump using the spanner (2b).

NameCountry
2bKey1.860.833.000

3. Cut the oil sump sealant using the tool.

NameCountry
3Blade1.870.718.000

4. Remove the crankcase sump.

Piston connecting rod set - r r

2.4 20v

Removing

1. Undo the front and rear bolts (1a) for the crankcase sump using the spanner (1b).

NameCountry
1bKey1.860.834.000

2. Undo the side bolts (2a) for the crankcase sump using the spanner (2b).

NameCountry
2bKey1.860.833.000

3. Cut the oil sump sealant using the tool.

NameCountry
3Blade1.870.718.000

4. Remove the crankcase sump.

Piston connecting rod set - r r

1.9 JTD 8v

Removing

1. Undo the bolt connecting the oil sump to the intermediate shaft support.

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

NameCountry
2bKey1.860.834.000

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

NameCountry
3bKey1.860.833.000

4. Remove the crankcase sump.

To release the crankcase sump, tap it gently with a a resin hammer, then use a screwdriver to lever on the special projections at the side of the crankcase sump.

Piston connecting rod set - r r

1.9 JTD 16v

Removing

1. Fit the flywheel lock.

NameCountry
1Counter-torque1.860.846.001

2. Undo the bolts (2a) and remove the engine flywheel (2b).

The engine flywheel retaining bolts are treated with a compound to prevent them coming undone they should therefore be replaced whenever they are removed.

Remove the flywheel lock.

NameCountry
Counter-torque1.860.846.001
Piston connecting rod set - r r

1.2 16v

1. Remove the two bolts fixing the engine flywheel and position the tool (1a) for rotating the crankshaft.

NameCountry
1Flange1.860.815.000

Remove the flywheel lock fitted previously.

2. Undo the bolts and remove the oil inlet from the oil pump.

Rotate the crankshaft using the tool fitted previously until cylinders no. 1 and no. 4 are at T.D.C

3. Undo the bolts (3a) and remove the big end bearing caps (3b) for cylinders no. 1 and no. 4.

4. Remove the lower connecting rod half bearings for cylinders no. 1 and no. 4.

5. Remove the connecting rod-piston assemblies for cylinders 1 and 4.

6. Remove the upper connecting rod half bearings for cylinders 1 and 4.

Proceed in the same way to remove the pistons and connecting rods for cylinders 2 and 3.

Piston connecting rod set - r r

1.4 16v

1. Remove the two bolts fixing the engine flywheel and position the tool (1a) for rotating the crankshaft.

NameCountry
1Flange1.860.815.000

Remove the flywheel lock fitted previously.

2. Undo the bolts and remove the oil inlet from the oil pump.

Rotate the crankshaft using the tool fitted previously until cylinders no. 1 and no. 4 are at T.D.C

3. Undo the bolts (3a) and remove the big end bearing caps (3b) for cylinders no. 1 and no. 4.

4. Remove the lower connecting rod half bearings for cylinders no. 1 and no. 4.

5. Remove the connecting rod-piston assemblies for cylinders 1 and 4.

6. Remove the upper connecting rod half bearings for cylinders 1 and 4.

Proceed in the same way to remove the pistons and connecting rods for cylinders 2 and 3.

Piston connecting rod set - r r

1.6 16v

1. Using the service bolts (1a), fit the tool (1b) for rotating the crankshaft.

NameCountry
1bFlange1.860.815.000
Piston connecting rod set - r r

1.8 16v

1. Undo the bolts (1a) and remove the oil intake duct (1b) with its gasket (1c).

2. Fit the tool for rotating the crankshaft.

NameCountry
2Flange1.860.815.000

Rotate the crankshaft using the tool fitted previously until the pistons for cylinders no. 1 and no. 4 are at B.D.C.

3. Undo the bolts (3a) and remove the big end bearing caps (3b) with their bearing shells (3c) of cylinders no. 1 and no. 4.

4. Remove the connecting rod-piston assemblies (4a) complete with bearing shells (4b) for cylinders no. 1 and 4.

Piston connecting rod set - r r

2.4 20v

1. Undo the bolts (1a) and remove the engine oil inlet (1b) complete with gasket.

Piston connecting rod set - r r

1.9 JTD 8v

1. Undo the bolts (1a) and remove the engine oil inlet (1b).

2. Remove the gasket.

Piston connecting rod set - r r

1.9 JTD 16v

1. Undo the bolts (1a) and remove the engine flywheel protection (1b).

Piston connecting rod set - r r

1.2 16v

Refitting

Rotate the crankshaft using the tool fitted previously.

The connecting rod-piston assemblies are fitted with the references in the following positions.

1. Piston grade and arrow indicating the timing side.

2. Area where number of cylinder bore/liner to which the connecting rod belongs is stamped.

3. Connecting rod pin offset.

The letters for the cylinder bore/liner class are located on the cylinder block/crankcase.

Piston connecting rod set - r r

1.4 16v

Refitting

Rotate the crankshaft using the tool fitted previously.

The connecting rod-piston assemblies are fitted with the references in the following positions.

1. Piston grade and arrow indicating the timing side.

2. Area where number of cylinder bore/liner to which the connecting rod belongs is stamped.

3. Connecting rod pin offset.

The letters for the cylinder bore/liner class are located on the cylinder block/crankcase.

Piston connecting rod set - r r

1.6 16v

1. Undo the fixing bolts (1a) and remove the connecting rod cap (1b).

2. Remove the lower big end bearing shell.

3. Remove the connecting rod - piston assembly.

4. Remove the upper big end bearing shell.

Piston connecting rod set - r r

1.8 16v

Do the same to remove the connecting rod-piston assemblies of cylinders no. 2 and no. 3.

2.4 20v

Fit the tool for rotating the crankshaft and rotate the crankshaft so that the connecting rod caps are accessible.

NameCountry
Flange1.860.815.000

1. Undo the bolts (1a) and remove the connecting rod caps (1b) and half-bearings (1c).

2. Remove the piston-connecting rod assemblies (2a) complete with half-bearings (2b).

Piston connecting rod set - r r

1.9 JTD 8v

1. Fit the tool and rotate the crankshaft until the cylinder concerned is at B.D.C.

NameCountry
1Flange1.860.815.000

2. Undo bolts (2a) and remove big end bearing caps (2b) complete with bearing shells (2c).

3. Remove the connecting rod-piston assembly (3a), complete with half-bearing (3b).

Proceed in the same way with the removal of the pistons and connecting rods for the remaining cylinders.

Piston connecting rod set - r r

1.9 JTD 16v

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

NameCountry
1bSpanner1.860.833.001

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

NameCountry
2bSpanner1.860.834.001

3. Use the tool to cut the crankcase sump sealant.

NameCountry
3Blade1.870.718.000

4. Remove the crankcase sump.

Piston connecting rod set - r r

1.2 16v

1. Fit the connecting rod-piston assemblies (1a), complete with half-bearings, using the tool (1b) for compressing the piston rings and later introducing the piston in the liner/bore.

NameCountry
1bFitting tool1.860.700.000
Piston connecting rod set - r r

1.4 16v

1. Fit the connecting rod-piston assemblies (1a), complete with half-bearings, using the tool (1b) for compressing the piston rings and later introducing the piston in the liner/bore.

NameCountry
1bFitting tool1.860.700.000
Piston connecting rod set - r r

1.6 16v

Refitting

Rotate the crankshaft using the tool fitted previously.

1. The connecting rod-piston assemblies are fitted with the engine rotation arrow stamped on the piston crown facing the inlet side.

2. Check that the stamps for the cylinder bore/liner to which the connecting rod belongs are on the exhaust side.

Piston connecting rod set - r r

1.8 16v

Refitting

1. Replace the connecting rod-piston assemblies (1a) complete with bearing shells (1b) of cylinders no. 2 and 3

Fit the connecting rod - piston assembly in the crankcase with the large grooves (for the inlet valves) on the piston crowns facing towards the inlet side.

2. Fit the big end bearing caps (2a) complete with bearing shells (2b) and tighten the bolts (2c) to torque.

The connecting rod caps are fitted so that the number stamped on them is facing the same side as the one stamped on the big end (inlet side).

FasteningComponentØ

Value

(daNm)

2cBoltBIG END BEARING CAPSM92.5 + 60°

Do the same to fit the connecting rod-piston assemblies of cylinders no. 1 and no. 4.

3. Remove the tool for rotating the crankshaft.

NameCountry
3Flange1.860.815.000

4. Fit the intake duct (4a) complete with gasket (4b) and fix it using the bolts (4c) to the specified torque

FasteningComponentØ

Value

(daNm)

4cBoltOIL SECTION PUMPM71.3 - 1.6
Piston connecting rod set - r r

2.4 20v

Refitting

Place the piston-connecting rod assemblies, complete with half-bearings, back in their housings.

Use a suitable tool for compressing the seals and then introducing them in the cylinder liner/bore.

Fit the connecting rod - piston assembly in the crankcase with the large grooves (for the inlet valves) on the piston crowns facing towards the inlet side.

Place the connecting rod bearing caps, complete with half-bearings, back in their housings and fix them tightening the bolts to the recommended torque.

The connecting rod caps are fitted so that the number stamped on them is facing the same side as the one stamped on the big end (inlet side).

FasteningComponentØ

Value

(daNm)

BoltBIG END BEARING CAPSM92.0 + 60°

Use the tool for angular tightening of the connecting rod cap bolts.

NameCountry
Protractor1.860.942.000

Remove the tool for rotating the crankshaft.

NameCountry
Flange1.860.815.000

Place the engine oil inlet, complete with gasket, back in its housing and secure it using the bolts.

Clean the matching surfaces of crankcase sump and cylinder block.

Apply silicon sealant around the edge of the crankcase sump.

1. Refit the crankcase sump

2. Tighten the side bolts (2a) for the crankcase sump to the recommended torque using the spanner (2b).

FasteningComponentØ

Value

(daNm)

2aSide boltOIL SUMPM6(Engine block side) 0.9 - 1.2
NameCountry
2bKey1.860.833.000

3. Tighten the front and rear bolts (3a) for the crankcase sump to the recommended torque using the spanner (3b).

FasteningComponentØ

Value

(daNm)

3aFront and rear boltOIL SUMPM8(Engine crankcase side) 2.3 ÷ 3.3
NameCountry
3bKey1.860.834.000
Piston connecting rod set - r r

1.9 JTD 8v

Refitting

Rotate the cylinder block through 90° on the overhauling stand.

Rotate the crankshaft using the tool fitted previously until the cylinder concerned is at B.D.C.

Select the connecting rod bearing halves as described under - 1024A10 crank shaft - r + r with engine removed - check main and connecting rod bearingand replace if necessary.

1. Fit the piston - connecting rod assembly (1a), complete with half-bearing, using the tool (1b).

The connecting rod - piston assemblies are fitted in the cylinder block/crankcase with the combustion chamber in the piston facing the inlet side.

2. Fit the big end bearing cap (2a) complete with half-bearing and fix it using the bolts (2b) without tightening them.

The connecting rod caps are fitted so that the number stamped on them is facing the same side as the one stamped on the big end (inlet side).

Work in the same way when refitting the pistons and connecting rods for the remaining cylinders.

Piston connecting rod set - r r

1.9 JTD 16v

1. Undo the bolts (1a) and remove the engine oil inlet (1b).

2. Remove the gasket.

Piston connecting rod set - r r

1.2 16v

Rotate the engine on the overhauling stand.

1. Fit the connecting rod caps (1a), complete with half-bearings (1b), and fix them tightening the bolts (1c) to the recommended torque using tool (1d) for the angular tightening.

The connecting rod caps are fitted so that the number stamped on them is facing the same side as the one stamped on the big end (inlet side).

FasteningComponentØ

Value

(daNm)

1cBoltCONNECTING ROD CAP FASTENERSM82 + 40°
NameCountry
1dProtractor1.860.942.000
Piston connecting rod set - r r

1.4 16v

Rotate the engine on the overhauling stand.

1. Fit the connecting rod caps (1a), complete with half-bearings (1b), and fix them tightening the bolts (1c) to the recommended torque using tool (1d) for angle tightening.

The connecting rods come with split caps. if replaced, they are supplied pre-split by the manufacturer. Check that the components are free of burrs, blisters, scratches or any type of surface defect. Before installation, the parts must be thoroughly washed, cleaned and dried. The connecting rod caps are fitted so that the number stamped on them is facing the same side as the one stamped on the big end (inlet side).

Each connecting rod must be matched with its own cap, respecting the printed reference numbers. connecting rods and connecting rod caps are not interchangeable.

FasteningComponentØ

Value

(daNm)

1cBoltCONNECTING ROD CAP FASTENERSM82 + 40°
NameCountry
1dProtractor1.860.942.000
Piston connecting rod set - r r

1.6 16v

1. Fit the connecting rod-piston assembly (1a), complete with half-bearing, using the tool (1b) for compressing the piston rings and the subsequent introduction of the piston in the liner/bore.

Piston connecting rod set - r r

1.8 16v

Clean the matching surfaces of crankcase sump and cylinder block.

Apply silicon sealant around the edge of the crankcase sump.

1. Refit the crankcase sump

2. Tighten the side bolts (2a) for the crankcase sump to the recommended torque using the spanner (2b).

FasteningComponentØ

Value

(daNm)

2aSide boltOIL SUMPM6(Engine crankcase side) 0.8 - 1.0
NameCountry
2bKey1.860.833.000

3. Tighten the front and rear bolts (3a) for the crankcase sump to the recommended torque using the spanner (3b).

FasteningComponentØ

Value

(daNm)

3aFront and rear boltOIL SUMPM8(Engine crankcase side) 2.5
NameCountry
3bKey1.860.834.000
Piston connecting rod set - r r

1.9 JTD 8v

Rotate the cylinder block through 90° on the overhauling stand.

1. Tighten the bearing cap bolts (1a) to the recommended torque; use the tool (1b) for the angular tightening.

FasteningComponentØ

Value

(daNm)

1aBoltBIG END BEARING CAPSM92.0 + 60°
NameCountry
1bProtractor1.860.942.000
Piston connecting rod set - r r

1.9 JTD 16v

1. Fit the tool.

NameCountry
1Flange1.820.618.000

Rotate the crankshaft using the tool fitted previously until the cylinder concerned is at B.D.C.

2. Undo the bolts (2a) and remove the big end bearing cap (2b).

3. Remove the lower big end bearing shell.

4. Remove the connecting rod-piston assembly.

5. Remove the upper big end bearing shell.

Proceed in the same way with the removal of the pistons and connecting rods for the remaining cylinders.

Piston connecting rod set - r r

1.2 16v

Remove the tool for rotating the crankshaft.

NameCountry
Flange1.860.815.000

Fit the intake on the oil pump.

Fit the flywheel lock.

NameCountry
1Counter-torque1.860.846.000

Fit the two bolts removed previously fixing the flywheel and tighten them to the recommended torque.

FasteningComponentØ

Value

(daNm)

2cBoltFLYWHEELM84.4

1. Line up the driven plate for fitting the clutch assembly (1a), using the centring pin (1b).

NameCountry
1bClutch centering1.870.418.000

2. Tighten the bolts fixing the clutch to the engine flywheel.

Remove the engine flywheel lock applied previously.

Piston connecting rod set - r r

1.4 16v

Remove the tool for rotating the crankshaft.

NameCountry
Flange1.860.815.000

Fit the intake on the oil pump.

Fit the flywheel lock.

NameCountry
Counter-torque1.860.846.000

Fit the two bolts removed previously fixing the flywheel and tighten them to the recommended torque.

FasteningComponentØ

Value

(daNm)

BoltFLYWHEELM84.4

1. Line up the driven plate for fitting the clutch assembly (1a), using the centring pin (1b).

NameCountry
1bClutch centering1.870.418.000

2. Tighten the bolts fixing the clutch to the engine flywheel.

Remove the engine flywheel lock applied previously.

Piston connecting rod set - r r

1.6 16v

Fit the connecting rod caps.

Tighten the nuts fixing the connecting rod caps to torque.

FasteningComponentØ

Value

(daNm)

NutBIG END BEARING CAPSM94.8 - 5.4

Remove the tool for rotating the crankshaft.

NameCountry
Flange1.860.815.000

Fit the section of the engine oil dipstick inside the cylinder block/crankcase.

Position a new oil pump gasket.

Fit the oil pump tightening the fixing bolts to torque.

FasteningComponentØ

Value

(daNm)

BoltENGINE OIL PUMPM82.3 ÷ 2.8

- 1020A24 crank case oil sump - r + r clean seals for sealant application with engine removed.

1.9 JTD 8v

Remove the tool.

NameCountry
Flange1.860.815.000

Fit the engine oil inlet complete with gasket and secure using the bolts.

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

TypeComponentNameQty.
Silicon sealantOIL SUMPDow Corning 7091

Fit the crankcase sump.

Tighten the side bolts for the crankcase sump to torque using the tool.

FasteningComponentØ

Value

(daNm)

Side boltOIL SUMPM6(Engine block side) 0.9 ÷ 1.2
NameCountry
Key1.860.833.000

Tighten the front and rear bolts for the crankcase sump to torque using the tool.

FasteningComponentØ

Value

(daNm)

Front and rear boltOIL SUMPM8(Engine crankcase side) 2.3 ÷ 3.3
NameCountry
Key1.860.834.000

Tighten the bolt securing the oil sump to the intermediate shaft support.

1.9 JTD 16v

Refitting

1. Refit the piston - connecting rod assembly (1a), complete with half-bearing, using the tool (1b).

To select the connecting rod half-bearings, follow the procedure described previously for the main journal half-bearings - 1004E20 engine - dismantle and re-build following operation 1004e10 - wash and check dismantled parts - re-fit cylinder head and oil sump - does not include repairs to cylinder head and auxiliary unit.

The piston - connecting rod assemblies are fitted in the cylinder block/crankcase so that the discharge on the piston skirt is in line with the oil jet fitted on the cylinder block/crankcase.

Proceed in the same way with the refitting of the pistons and connecting rods for the remaining cylinders.

Piston connecting rod set - r r

1.2 16v

- 1020A24 crank case oil sump - r + r clean seals for sealant application with engine removed.

1.4 16v

- 1020A24 crank case oil sump - r + r clean seals for sealant application with engine removed

1.9 JTD 16v

1. Check the clearance of the connecting rod bearings, using the calibrated wire (Plastigage).

Piston connecting rod set - r r

Place the big end caps complete with half-bearings back in their housings.

The connecting rod caps are fitted so that the number stamped on them is facing the same side as the one stamped on the big end (inlet side).

1. Tighten bolts (1a) to the recommended torque using angular tightening tool (1b).

FasteningComponentØ

Value

(daNm)

1a
NameCountry
1bProtractor1.860.942.000
Piston connecting rod set - r r

Undo the nuts and remove the connecting rod caps complete with half-bearings fitted previously.

1. Using a suitable graduate measuring instrument (1a), measure the clearance shown by the calibrated wire (1b).

MeasurementValue
1bClearance between big end bearings-Crankpins (mm)0.016 ÷ 0.070
Piston connecting rod set - r r

If the value measured does not correspond to the recommended figures, replace the connecting rod bearings.

Carry out this check on all the connecting rod bearings, one at a time, without rotating the crankshaft.

Place the connecting rod cap, complete with half-bearing, back in its housing and fix it using the bolts without tightening them.

The connecting rod caps are fitted so that the number stamped on them is facing the same side as the one stamped on the big end (inlet side).

1. Tighten the bolts (1a) for the connecting rod caps to the recommended torque, using the angular tightening tool (1b).

FasteningComponentØ

Value

(daNm)

1a
NameCountry
1bProtractor1.860.942.000
Piston connecting rod set - r r

Remove the tool.

NameCountry
Flange1.820.618.000

Place the engine oil intake, complete with gasket, back in its housing and secure it using the bolts.

Apply silicon sealant around the edge of the crankcase sump.

1. Refit the crankcase sump

2. Tighten the side bolts (2a) for the crankcase sump to the recommended torque using the tool (2b).

FasteningComponentØ

Value

(daNm)

2a
NameCountry
2bSpanner1.860.833.001

3. Tighten the front and rear bolts (3a) for the crankcase sump to the recommended torque using the tool (3b).

FasteningComponentØ

Value

(daNm)

3a
NameCountry
3bSpanner1.860.834.001
Piston connecting rod set - r r

Place the engine flywheel protection back in its housing and secure it using the bolts.

1. Fit the flywheel lock.

NameCountry
1Counter-torque1.860.846.001

2. Refit the engine flywheel (2a) and secure by tightening new sealant-treated bolts (2b) to the recommended torque.

FasteningComponentØ

Value

(daNm)

2b

Use the tool for angular tightening of the engine flywheelbolts.

NameCountry
Protractor1.860.942.000
Piston connecting rod set - r r

Remove the flywheel lock.

NameCountry
Counter-torque1.860.846.001

Parts & tools for this job For 2001 Fiat Stilo

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.