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 Transmission (4x4)12 Axles and driveshafts13 Brakes14 Steering15 Suspension and wheels16 Heating, air conditioning and auxiliary units17 Electrical equipment18 Body fittings19 Body panels and frame20 Wiring diagrams and electrical functions21 Wiring harnesses22 Connectors and pin-outs23 Fault diagnosis24 Special tools
Fiat Panda Factory Service Manual (2003-2012)08 · Engine
08 · Engine

Power unit with manual gearbox - r + r

Make
Fiat
Model
Panda Factory Service Manual
Year
2003–2012
Section
Engine and power unit › Power unit with manual gearbox - r + r
EnginePower unit with manual gearbox - r + r

Power unit with manual gearbox - r + r

Operation 1004B10 · POWER UNIT ASSEMBLY

1.1

Removing

Place the car on a lift.

1. Move the positive battery terminal protective cover aside.

2. Undo the nut (2a) fixing the starter motor supply lead (2b) and the fuse box supply lead (2c) and disconnect them from the battery.

NameConnector
2cBatteryA1E

3. Undo the fixing nuts (3a) and disconnect the negative battery lead (3b) and the positive lead (3c).

NameConnector
3bBatteryA1B
NameConnector
3cBatteryA1A

4. Undo the nut (4a) fixing the battery (4b) and remove it.

Power unit with manual gearbox - r + r

1.2 8v

Removing

Place the car on a lift.

1. Move the positive battery terminal protective cover aside.

2. Undo the nut (2a) fixing the starter motor supply lead (2b) and the fuse box supply lead (2c) and disconnect them from the battery.

NameConnector
2cBatteryA1E

3. Undo the fixing nuts (3a) and disconnect the negative battery lead (3b) and the positive lead (3c).

NameConnector
3bBatteryA1B
NameConnector
3cBatteryA1A

4. Undo the nut (4a) fixing the battery (4b) and remove it.

Power unit with manual gearbox - r + r

1.1

1. Remove the battery cage cover.

2. Disconnect the electrical connections for the engine management control unit.

NameConnector
2Engine management control unitM10A
NameConnector
2Engine management control unitM10B

3. Undo the fixing bolt (3a) and disconnect the earth lead (3b).

NameConnector
3bEngine management control unitM10C
Power unit with manual gearbox - r + r

1.2 8v

1. Remove the battery drip tray cover.

2. Disconnect the electrical connections for the engine management control unit.

NameConnector
2Engine management control unitM10A
NameConnector
2Engine management control unitM10B

3. Undo the fixing bolt (3a) and disconnect the earth lead (3b).

NameConnector
3bEngine management control unitM10C
Power unit with manual gearbox - r + r

1.1

1. Undo the bolts fixing the battery cage.

2. Move the battery cage aside.

3. Open the fastening clips (3a) and release the wiring (3b) from the battery cage.

Remove the battery cage complete with engine management control unit.

Power unit with manual gearbox - r + r

1.2 8v

1. Undo the bolts fixing the battery cage.

2. Move the battery cage aside.

3. Open the fastening clips (3a) and release the wiring (3b) from the battery cage.

Remove the battery cage complete with engine management control unit.

Power unit with manual gearbox - r + r

1.1

1. Release the air hose from the cold air intake.

2. Undo the fixing bolts (2a) and release the fastening clip (2b).

3. Remove the air filter casing complete with hose.

Power unit with manual gearbox - r + r

1.2 8v

1. Release the air hose from the cold air intake.

2. Undo the fixing bolts (2a) and release the fastening clip (2b).

3. Remove the air filter casing complete with hose.

Power unit with manual gearbox - r + r

1.1

1. Undo the fixing bolts (1a) and remove the wheel (1b).

Work in the same way for both wheels.

Power unit with manual gearbox - r + r

1.2 8v

1. Undo the fixing bolts (1a) and remove the wheel (1b).

Work in the same way for both wheels.

Power unit with manual gearbox - r + r

1.1

Position a suitable container to collect the coolant.

1. Undo retaining clips (1a), disconnect lower radiator end sleeve (1b) and drain the system.

Power unit with manual gearbox - r + r

1.2 8v

Position a suitable container to collect the coolant.

1. Undo retaining clips (1a), disconnect lower radiator end sleeve (1b) and drain the system.

Power unit with manual gearbox - r + r

1.1

1. Remove the protective cover for the engine compartment junction unit (1a) and disconnect the electrical connection (1b) underneath.

NameConnector
1bFront / engine couplingD4

2. Disconnect the electrical connections for the Lambda sensors.

NameConnector
2Lambda sensor on catalyzerK17
NameConnector
2Lambda sensor on catalyzer -2K18
Power unit with manual gearbox - r + r

1.2 8v

1. Remove the protective cover for the engine compartment junction unit (1a) and disconnect the electrical connection (1b) underneath.

NameConnector
1bFront / engine couplingD4

2. Disconnect the electrical connections for the Lambda sensors.

NameConnector
2Lambda sensor on catalyzerK17
NameConnector
2Lambda sensor on catalyzer -2K18
Power unit with manual gearbox - r + r

1.1

1. Disconnect the one-way valve (1a) from the brake servo and move the pipe (1b) aside.

Power unit with manual gearbox - r + r

1.2 8v

1. Disconnect the one-way valve (1a) from the brake servo and move the pipe (1b) aside.

Power unit with manual gearbox - r + r

1.1

1. Open the fastening bands (1a) and the clip (1b) and disconnect the heater pipes (1c).

Power unit with manual gearbox - r + r

1.2 8v

1. Open the fastening bands (1a) and the clip (1b) and disconnect the heater pipes (1c).

Power unit with manual gearbox - r + r

1.1

1. Remove the protective cap (1a) for the breather valve for the single fuel pipe (1b) and discharge the fuel pressure using the tool (1c).

Collect the fuel in a suitable container.

NameCountry
1cRapid connector1.870.684.000
Power unit with manual gearbox - r + r

1.2 8v

1. Remove the protective cap (1a) for the breather valve for the single fuel pipe (1b) and discharge the fuel pressure using the tool (1c).

Collect the fuel in a suitable container.

NameCountry
1cRapid connector1.870.684.000
Power unit with manual gearbox - r + r

1.1

1. Disconnect the fuel supply and collection pipes.

Power unit with manual gearbox - r + r

1.2 8v

1. Disconnect the fuel supply and collection pipes.

Power unit with manual gearbox - r + r

1.1

1. Work on the throttle body (1a) and disconnect the accelerator cable (1b).

Power unit with manual gearbox - r + r

1.2 8v

1. Work on the throttle body (1a) and disconnect the accelerator cable (1b).

Power unit with manual gearbox - r + r

1.1

1. Disconnect the electrical connection for the reversing lights switch.

NameConnector
1Reversing lights switchI20

2. Undo the fixing nut (2a) and disconnect the earth cable on the gearbox (2b).

NameConnector
2bBattery earth on engineC2
Power unit with manual gearbox - r + r

1.2 8v

1. Disconnect the electrical connection for the reversing lights switch.

NameConnector
1Reversing lights switchI20

2. Undo the fixing nut (2a) and disconnect the earth cable on the gearbox (2b).

NameConnector
2bBattery earth on engineC2
Power unit with manual gearbox - r + r

1.1

1. Undo the adjustment and fastening nut (1a) and disconnect the clutch cable (1b) from the thrust bearing control lever (1c).

Power unit with manual gearbox - r + r

1.2 8v

1. Undo the adjustment and fastening nut (1a) and disconnect the clutch cable (1b) from the thrust bearing control lever (1c).

Power unit with manual gearbox - r + r

1.1

1. Remove the pivot joints (1a) for the gear selection and engagement flexible transmission cables (1b).

Power unit with manual gearbox - r + r

1.2 8v

1. Remove the pivot joints (1a) for the gear selection and engagement flexible transmission cables (1b).

Power unit with manual gearbox - r + r

1.1

1. Unscrew bolts (1a) securing the bracket supporting gear selection and engagement cables (1b).

Place the cables and bracket to one side.

Power unit with manual gearbox - r + r

1.2 8v

1. Unscrew bolts (1a) securing the bracket supporting gear selection and engagement cables (1b).

Place the cables and bracket to one side.

Power unit with manual gearbox - r + r

1.1

Raise the lift.

1. Undo the bolt (1a) fixing the exhaust manifold (1b).

2. Undo the nut (2a) fixing the ehxaust pipe coupling (2b) to the exhaust manifold.

3. Undo the lower nuts (3a) fastening the exhaust manifold heat shield (3b).

Power unit with manual gearbox - r + r

1.2 8v

Raise the lift.

1. Undo the bolt (1a) fixing the exhaust manifold (1b).

2. Undo the nut (2a) fixing the ehxaust pipe coupling (2b) to the exhaust manifold.

3. Undo the lower nuts (3a) fastening the exhaust manifold heat shield (3b).

Power unit with manual gearbox - r + r

1.1

1. Remove the flexible mounting for the exhaust terminal in the wheel arch.

2. Remove the flexible mounting for the exhaust terminal.

3. Remove the flexible mounting for the exhaust pipe on the underbody.

4. Move the exhaust pipe assembly aside, releasing it from the exhaust manifold.

Power unit with manual gearbox - r + r

1.2 8v

1. Remove the flexible mounting for the exhaust terminal in the wheel arch.

2. Remove the flexible mounting for the exhaust terminal.

3. Remove the flexible mounting for the exhaust pipe on the underbody.

4. Move the exhaust pipe assembly aside, releasing it from the exhaust manifold.

Power unit with manual gearbox - r + r

1.1

1. Remove the fastening clilp (1a) and release the brake fluid pipe (1b) from the suspension damper.

Work in the same way on both sides of the vehicle.

Power unit with manual gearbox - r + r

1.2 8v

1. Remove the fastening clip (1a) and release the brake fluid pipe (1b) from the suspension damper.

Work in the same way on both sides of the vehicle.

Power unit with manual gearbox - r + r

1.1

1. Unscrew the retaining nut.

2. Fit the tool for releasing the steering track rod ends.

NameCountry
2Extractor1.871.000.700

3. Release the steering track rod ends from the wheel hub.

4. Undo the fixing bolts (4a) and release the front steering knuckle (4b) from the shock absorber (4c).

Work in the same way on both sides of the vehicle.

Power unit with manual gearbox - r + r

1.2 8v

1. Unscrew the retaining nut.

2. Fit the tool for releasing the steering track rod ends.

NameCountry
2Extractor1.871.000.700

3. Release the steering track rod ends from the wheel hub.

4. Undo the fixing bolts (4a) and release the front steering knuckle (4b) from the shock absorber (4c).

Work in the same way on both sides of the vehicle.

Power unit with manual gearbox - r + r

1.1

Vehicle left side.

1. Open the bands fastening the coupling boot.

2. Release the driveshaft from the differential side joint.

Power unit with manual gearbox - r + r

1.2 8v

Vehicle left side.

1. Open the bands fastening the coupling boot.

2. Release the driveshaft from the differential side joint.

Power unit with manual gearbox - r + r

1.1

Work in the same way for the right side of the vehicle as described above for the left side, carrying out the following operation first:

1. Undo the fixing nut (1a) and the fixing bolts (1b) and move the wheel arch liner (1c) aside.

Power unit with manual gearbox - r + r

1.2 8v

Work in the same way for the right side of the vehicle as described above for the left side, carrying out the following operation first:

1. Undo the fixing nut (1a) and the fixing bolts (1b) and move the wheel arch liner (1c) aside.

Power unit with manual gearbox - r + r

1.1

1. Undo the fixing bolts (1a) and remove the timing dust guard (1b).

Power unit with manual gearbox - r + r

1.2 8v

1. Undo the fixing bolts (1a) and remove the timing dust guard (1b).

Power unit with manual gearbox - r + r

1.1

1. Undo the bolt (1a) and (1b), then remove the lower reaction link (1c).

Power unit with manual gearbox - r + r

1.2 8v

1. Undo the bolt (1a) and (1b), then remove the lower reaction link (1c).

Power unit with manual gearbox - r + r

1.1

Lower the vehicle.

1. Undo the upper fixing bolts (1a) and remove the exhaust manifold heat shield (1b).

Power unit with manual gearbox - r + r

1.2 8v

Lower the vehicle.

1. Undo the upper fixing bolts (1a) and remove the exhaust manifold heat shield (1b).

Power unit with manual gearbox - r + r

1.1

1. Open the fastening band (1a) and disconnect the upper cooling system hose (1b) from the radiator.

Power unit with manual gearbox - r + r

1.2 8v

1. Open the fastening band (1a) and disconnect the upper cooling system hose (1b) from the radiator.

Power unit with manual gearbox - r + r

1.1

1. Undo the fixing nuts (1a) and remove the exhaust manifold (1b) complete with catalytic converter.

Remove the gasket.

Power unit with manual gearbox - r + r

1.2 8v

1. Undo the fixing nuts (1a) and remove the exhaust manifold (1b) complete with catalytic converter.

Remove the gasket.

Power unit with manual gearbox - r + r

1.1

1. Fasten the brackets to the cylinder block/crankcase for securing the chains later on.

Use a hydraulic lift with chains and hooks.

2. Anchor the hooks to the brackets.

Power unit with manual gearbox - r + r

1.2 8v

1. Fasten the brackets to the cylinder block/crankcase for securing the chains later on.

Use a hydraulic lift with chains and hooks.

2. Anchor the hooks to the brackets.

Power unit with manual gearbox - r + r

1.1

Lift the power unit slightly so that all cables are under the same strain.

1. Undo the bolt fixing the engine support to the gearbox side flexible mounting.

Power unit with manual gearbox - r + r

1.2 8v

Lift the power unit slightly so that all cables are under the same strain.

1. Undo the bolt fixing the engine support to the gearbox side flexible mounting.

Power unit with manual gearbox - r + r

1.1

1. Unscrew nuts (1a) securing the flexible block (1b) to the timing end engine mount.

Power unit with manual gearbox - r + r

1.2 8v

1. Unscrew nuts (1a) securing the flexible block (1b) to the timing end engine mount.

Power unit with manual gearbox - r + r

1.1

Carefully manoeuvre the hydraulic lift and remove the power unit moving it towards the engine compartment taking care not to damage surrounding parts.

Arrange the power unit on a platform.

1.2 8v

Carefully manoeuvre the hydraulic lift and remove the power unit moving it towards the engine compartment taking care not to damage surrounding parts.

Arrange the power unit on a platform.

1.1

Refitting

Slowly manoeuvre the hydraulic lift to position the power unit inside the engine bay. Take care not to damage surrounding parts.

Place the flexible mounting in position and tighten the fixing nuts to torque.

FasteningComponentØ

Value

(daNm)

NutFRONT RUBBER MOUNTSM10 x 1.255

Tighten the bolt fixing the gearbox side flexible mounting to the engine support to torque.

FasteningComponentØ

Value

(daNm)

BoltFRONT RUBBER MOUNTSM12 x 1.258

Remove the hooks and the chains from the power unit.

Remove the mounting brackets fitted previously from the power unit.

Place the exhaust manifold complete with catalytic converter and gasket in position.

Tighten the nuts fixing the exhaust manifold to the cylinder head to torque.

FasteningComponentØ

Value

(daNm)

NutEXHAUST MANIFOLD/SM8 x 1.25(cylinder head) 2.5

Connect the upper cooling system hose to the engine cooling radiator and restore the fastening band.

Fit the heat shield on the exhaust manifold and tighten the fixing bolts to torque.

FasteningComponentØ

Value

(daNm)

BoltPROTECTION COVER GUARDS/SUPPORTS0,9 - 1,2

Raise the car.

Fit the lower reaction rod in place and tighten the bolt fixing it to the gearbox to torque.

FasteningComponentØ

Value

(daNm)

BoltREACTION RODM12 x 1.25(Gearbox side) 8

Tighten the bolt fixing the lower reaction bracket to the crossmember to torque.

FasteningComponentØ

Value

(daNm)

BoltREACTION RODM12 x 1.25(Crossmember side) 8

Replace the grease contained inside the driveshafts and the differential housing.

Connect the driveshafts to the gearbox securing the boots with the bands.

TypeComponentNameQty.
Grease (g)ENGINE ASSEMBLYTUTELA MRM ZERO100

Position the front hub steering knuckle in the housing in the shock absorber and tighten the fixing bolts to torque.

FasteningComponentØ

Value

(daNm)

NutFRONT HUB WITH BEARINGSM10 x 1.257.5

Fit the steering track rod ends in place and tighten the fixing nut to torque.

FasteningComponentØ

Value

(daNm)

NutADJUSTABLE STEERING LINKSM10 x 1.254

Fit the timing gear dust guard and tighten the fixing bolts.

Tighten the wheel arch liner bolts.

Secure the brake fluid pipe to the mounting.

Fit the exhaust pipe to the attachment on the exhaust manifold and secure it to the rubber mountings.

Tighten the nut fixing the metal collar for the flange joining the exhaust manifold to the centre section of the exhaust pipe.

FasteningComponentØ

Value

(daNm)

NutEXHAUST MANIFOLD/SM10 x 1.254

Fit the mounting bracket for the ball joints in place.

FasteningComponentØ

Value

(daNm)

BoltGEAR ENGAGEMENT ASSEMBLY CABLEM83

Fasten the ball joints for the gear selection and engagement flexible cables to the idler unit.

Fit the flexible transmission cables mounting bracket and tighten the fixing bolts.

Connect the clutch cable to the thrust bearing control lever and tighten the fixing nut.

Connect the electrical connection for the reversing sensor.

NameConnector
Reversing lights switchI20

Connect the earth lead to the gearbox and tighten the fixing nut.

NameConnector
Battery earth on engineC2

Fit the accelerator control cable in the housing in the throttle casing.

Connect the fuel vapour supply and collection pipes.

Connect the heater pipes to the housings in the bulkhead and renew the fastenings with the bands.

Connect the one-way valve to the brake servo.

Connect the electrical connection for the engine compartment junction unit and fit the protective cover.

NameConnector
Front / engine couplingD4

Connect the Lambda probe electrical connections.

NameConnector
Lambda sensor on catalyzerK17
NameConnector
Lambda sensor on catalyzer -2K18

Fit the cooling system lower hose on the engine cooling radiator and renew the fastening band.

Fit the wheels in place and tighten the bolts to torque.

FasteningComponentØ

Value

(daNm)

BoltFRONT WHEEL FIXING BOLTM12 x 1.25(Steel rim) 8.6

Fit the air filter casing complete with cold air intake hose in position and tighten the fixing nuts.

Fit the battery cage complete with engine management control unit and tighten the fixing bolts.

Fit the battery cage cover.

Connect the electrical connectors for the engine management control unit.

NameConnector
Engine management control unitM10A
NameConnector
Engine management control unitM10B

Connect the earth lead.

NameConnector
Engine management control unitM10C

Fit the battery in place and connect the wiring.

NameConnector
BatteryA1B
NameConnector
BatteryA1A
NameConnector
BatteryA1E

- 0010T20 coolant change

- 1820A14 clutch pedal - adjust travel

1.2 8v

Refitting

Slowly manoeuvre the hydraulic lift to position the power unit inside the engine bay. Take care not to damage surrounding parts.

Place the flexible mounting in position and tighten the fixing nuts to torque.

FasteningComponentØ

Value

(daNm)

NutFRONT RUBBER MOUNTSM10 x 1.255

Tighten the bolt fixing the gearbox side flexible mounting to the engine support to torque.

FasteningComponentØ

Value

(daNm)

BoltFRONT RUBBER MOUNTSM12 x 1.258

Remove the hooks and the chains from the power unit.

Remove the mounting brackets fitted previously from the power unit.

Place the exhaust manifold complete with catalytic converter and gasket in position.

Tighten the nuts fixing the exhaust manifold to the cylinder head to torque.

FasteningComponentØ

Value

(daNm)

NutEXHAUST MANIFOLD/SM8 x 1.25(cylinder head) 2.5

Connect the upper cooling system hose to the engine cooling radiator and restore the fastening band.

Fit the heat shield on the exhaust manifold and tighten the fixing bolts to torque.

FasteningComponentØ

Value

(daNm)

BoltPROTECTION COVER GUARDS/SUPPORTS0,9 - 1,2

Raise the car.

Fit the lower reaction rod in place and tighten the bolt fixing it to the gearbox to torque.

FasteningComponentØ

Value

(daNm)

BoltREACTION RODM12 x 1.25(Gearbox side) 8

Tighten the bolt fixing the lower reaction bracket to the crossmember to torque.

FasteningComponentØ

Value

(daNm)

BoltREACTION RODM12 x 1.25(Crossmember side) 8

Replace the grease contained inside the driveshafts and the differential housing.

Connect the driveshafts to the gearbox securing the boots with the bands.

TypeComponentNameQty.
Grease (g)ENGINE ASSEMBLYTUTELA MRM ZERO100

Position the front hub steering knuckle in the housing in the shock absorber and tighten the fixing bolts to torque.

FasteningComponentØ

Value

(daNm)

NutFRONT HUB WITH BEARINGSM10 x 1.257.5

Fit the steering track rod ends in place and tighten the fixing nut to torque.

FasteningComponentØ

Value

(daNm)

NutADJUSTABLE STEERING LINKSM10 x 1.254

Fit the timing gear dust guard and tighten the fixing bolts.

Tighten the wheel arch liner bolts.

Secure the brake fluid pipe to the mounting.

Fit the exhaust pipe to the attachment on the exhaust manifold and secure it to the rubber mountings.

Tighten the nut fixing the metal collar for the flange joining the exhaust manifold to the centre section of the exhaust pipe.

FasteningComponentØ

Value

(daNm)

NutEXHAUST MANIFOLD/SM10 x 1.254

Fit the mounting bracket for the ball joints in place.

FasteningComponentØ

Value

(daNm)

BoltGEAR ENGAGEMENT ASSEMBLY CABLEM83

Fasten the ball joints for the gear selection and engagement flexible cables to the idler unit.

Fit the flexible transmission cables mounting bracket and tighten the fixing bolts.

Connect the clutch cable to the thrust bearing control lever and tighten the fixing nut.

Connect the electrical connection for the reversing sensor.

NameConnector
Reversing lights switchI20

Connect the earth lead to the gearbox and tighten the fixing nut.

NameConnector
Battery earth on engineC2

Fit the accelerator control cable in the housing in the throttle body.

Connect the fuel vapour supply and collection pipes.

Connect the heater pipes to the housings in the bulkhead and renew the fastenings with the bands.

Connect the one-way valve to the brake servo.

Connect the electrical connection for the engine compartment junction unit and fit the protective cover.

NameConnector
Front / engine couplingD4

Connect the Lambda probe electrical connections.

NameConnector
Lambda sensor on catalyzerK17
NameConnector
Lambda sensor on catalyzer -2K18

Fit the cooling system lower hose on the engine cooling radiator and renew the fastening band.

Fit the wheels in place and tighten the bolts to torque.

FasteningComponentØ

Value

(daNm)

BoltFRONT WHEEL FIXING BOLTM12 x 1.25(Steel rim) 8.6

Fit the air filter casing complete with cold air intake hose in position and tighten the fixing nuts.

Fit the battery cage complete with engine management control unit and tighten the fixing bolts.

Fit the battery cage cover.

Connect the electrical connectors for the engine management control unit.

NameConnector
Engine management control unitM10A
NameConnector
Engine management control unitM10B

Connect the earth lead.

NameConnector
Engine management control unitM10C

Fit the battery in place and connect the wiring.

NameConnector
BatteryA1B
NameConnector
BatteryA1A
NameConnector
BatteryA1E

- 0010T20 coolant change

- 1820A14 clutch pedal - adjust travel

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