1028H14 PISTON CONNECTING ROD SET - R.R. WITH ENGINE AND CYLINDER HEAD(S) REMOVED - Fiat - CROMA - eLearn

194002140 - 1028H14 PISTON CONNECTING ROD SET - R.R. WITH ENGINE AND CYLINDER HEAD(S) REMOVED

) Rotate the engine through 180° on the overhaul stand.1. Undo and remove the engine oil level sensor.2. Undo the fixing bolts (2a) using tools (2b).

	Description	Code	Function
2b	Spanner	1.860.833.001	Loosen/Tighten front and rear crankcase sump bolts

	Description	Code	Function
2b	Spanner	1.860.834.001	Loosen/Tighten crankcase sump side bolts

3. Cut the sealant bead for the engine oil sump (3b) using the special tool (3a) and remove it.

	Description	Code	Function
3a	Blade	1.870.718.000	Cut the crankcase sump sealant

1. Undo the fixing bolts (1a) and remove the engine oil intake duct (1b).

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

	Description	Code	Function
3	Flange	1.860.815.000	Crankshaft rotation

2. Undo the bolts (2a) and remove the connecting rod cap (2b).3. Remove the lower connecting rod half-bearing.4. Remove the connecting rod-piston assembly.5. Remove the upper connecting rod half-bearing.Carry out the same operations to remove the pistons and connecting rods for the remaining cylinders.

Refitting ( Removing

) Rotate the crankcase through 90° on the overhaul stand.Rotate the crankshaft using the tool fitted previously until the cylinder concerned is at B.D.C.

	Description	Code	Function
.	Flange	1.860.815.000	Crankshaft rotation

The connecting rod half-bearings are selected as described below in [PR1024A10].1. Fit the piston-connecting rod assembly (1a) complete with half-bearing using the tool (1b).

The piston-connecting rod assemblies are fitted in the crankcase so that the combustion chamber in the piston is facing the inlet side.

2. Fit the connecting rod cap (2a) complete with half-bearing and secure it without tightening the bolts (2b).

Fit the connecting rods so that the number stamped on each rod faces toward the same side as the number stamped on the big end (inlet side).

Carry out the same operations to refit the pistons and connecting rods for the remaining cylinders.

Rotate the crankcase through 90° on the overhaul stand.1. Tighten the connecting rod cap bolts (1a) to the recommended torque using the angular tightening tool (1b).

	Value daNm	Fastening	Component	Ø
1a	2.0 + 60°	Bolt	CONNECTING ROD CAPS	M9

	Description	Code	Function
1b	Torque wrench	1.860.942.000	Angular tightening of bearing cap bolts

Remove the tool.

	Description	Code	Function
.	Flange	1.860.815.000	Crankshaft rotation

Fit the engine oil intake complete with O-Ring and secure it using the bolts and the nut.Apply the recommended sealant to the entire perimeter of the crankcase sump.

	Description	Q.ty	Component	Type	Classification
.	Dow corning 7091	-	ENGINE OIL SUMP	Silicon sealant	-

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

	Value daNm	Fastening	Component	Ø
.	(Engine crankcase side) 0.9 - 1.2	Side bolts	ENGINE OIL SUMP	M6

	Description	Code	Function
.	Spanner	1.860.834.001	Loosen/Tighten crankcase sump side bolts

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

	Value daNm	Fastening	Component	Ø
.	(engine crankcase side) 2.3 - 3.3	Front and rear bolts	CRANKCASE SUMP	M8

	Description	Code	Function
.	Spanner	1.860.833.001	Loosen/Tighten front and rear crankcase sump bolts

Position the engine oil level sensor in its housing.