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 Croma Factory Service Manual (2005-2010)12 · Brakes
12 · Brakes

Brake servo/brake pump assembly - r.r.

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Hydraulic brake system › Brake servo/brake pump assembly - r.r.
BrakesBrake servo/brake pump assembly - r.r.

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

Operation 3330D02 · BRAKE VACUUM SYSTEM

Removing

Op. 5530B10 BATTERY - R+R

Op. 5530B52 BATTERY SUPPORT/DRIP TRAY - R.R

Op. 7040A24 LOWER FACIA COVER TRIM - R+R

Op. 7040A26 STEERING COLUMN TRIM - R+R

Op. 7040A44 LEFT DASHBOARD SIDE TRIM - R.R.

Op. 5010C57 LEFT LOWER AIR DIFFUSER - R R

Op. 5580C23 DRIVE SIDE KNEE PROTECTION AIR BAG MODULE R. R.

Follow all the recommended safety instructions (see 5580C - Precautions).

Op. 7040A30 LEFT LOWER DASHBOARD TRIM - R.R.

1. Remove the retaining clip (1a), release the return spring (1b) and extract the pin (1c) connecting the brake servo to the brake pedal.

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

- Replace the brake-clutch fluid reservoir plug using the tool.

ToolDescriptionFunctionValidity
2000001400PlugBrake/clutch fluid reservoir cap

1. Disconnect the electrical connection from the minimum brake fluid level warning light switch.

DescriptionConnector
1Brake fluid level sensor (switch)See K025 BRAKE FLUID LEVEL SENSOR (SWITCH)

2. Loosen the band and disconnect the pipe from the clutch reservoir to the master cylinder, reservoir side.

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. Undo the connectors (1a) and disconnect the pipes from the master cylinder to the electro-hydraulic control unit (1b), electro-hydraulic control unit side.

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. Undo the connectors (1a), disconnect the pipes from the master cylinder to the electro-hydraulic control unit (1b), master cylinder side and remove them.

2. Disconnect the single-acting valve from the brake servo.

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. Rotate the engine coolant supply reservoir as illustrated in the diagram, then remove it.

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. Undo the nuts (1a) and remove the engine coolant supply reservoir mounting bracket (1b).

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. Undo the bolts (1a) and remove the brake servo/brake pump (1b) complete with the reservoir (1c).

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. At the bench, undo the nuts (1a) and separate the brake servo (1b) from the brake master cylinder (1c) complete with reservoir (1d).

BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

Refitting

- Clean the surface of the brake servo and the engine compartment bulkhead.

- Replace the seal on the brake master cylinder.

Do not use mineral oils or grease.

1. Assemble the brake servo (1a) and the brake master cylinder (1b) complete with reservoir (1c) and tighten the nuts (1d) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Master cylinder brake (pump)Nut (to replace)(brake servo side) 2.1 - 2.9
BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. Place the bearing cap (1a) in its seat complete with half-bearing (1b) and secure it by tightening the bolts (1c) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Brake servoBoltM8(pedals side) 1.8 - 2.2
BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

- Place the engine coolant reservoir mounting bracket in its housing and secure it using the nuts.

- Place the engine coolant supply reservoir in its housing.

1. Connect the single-acting valve to the brake servo.

2. Place the pipes from the master cylinder to the electro-hydraulic (2a) in their housing, connect them to the master cylinder and tighten the connectors (2b) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Brake pipe connectorsConnectorM10/M121.4 ÷ 1.8
BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

1. Connect the pipes from the master cylinder to the electro-hydraulic control unit (1a), electro-hydraulic control unit side and tighten the connectors (1b) to the recommended torque.

ComponentFasteningdiaValue (daNm)Validity
Brake pipe connectorsConnectorM10/M121.4 ÷ 1.8
BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

- Connect the pipe from the clutch reservoir to the master cylinder, reservoir side and tighten the band.

- Connect the electrical connection to the brake fluid minimum level warning light switch.

- Replace the brake-clutch fluid reservoir plug using the tool.

ToolDescriptionFunctionValidity
2000001400PlugBrake/clutch fluid reservoir cap

- Place the pin connecting the brake servo to the brake pedal in its housing, connect the return spring and fit the retaining clip.

Op. 7040A30 LEFT LOWER DASHBOARD TRIM - R.R.

Op. 5580C23 DRIVE SIDE KNEE PROTECTION AIR BAG MODULE R. R.

Op. 5010C57 LEFT LOWER AIR DIFFUSER - R R

Op. 7040A44 LEFT DASHBOARD SIDE TRIM - R.R.

Op. 7040A26 STEERING COLUMN TRIM - R+R

Op. 7040A24 LOWER FACIA COVER TRIM - R+R

Op. 5530B52 BATTERY SUPPORT/DRIP TRAY - R.R

Op. 5530B10 BATTERY - R+R

Op. 0010T64 BRAKE AND/OR CLUTCH FLUID CHECK LEVEL AND TOP UP AS NECESSARY

Op. 0010T65 HYDRAULIC BRAKE SYSTEM - BLEED AIR

Parts & tools for this job For 2005 Fiat Croma

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