Renault Clio: M4R, and Right-hand Drive

Renault Clio III (2005-2013) Service Manual / Chassis / Mechanical Component Controls / Brake servo: Removal - Refitting / M4R, and Right-hand Drive

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (MR 392, 02A, Lifting equipment).
• Disconnect the battery (see Battery: Removal - Refitting) (MR 392, 80A, Battery).
• Remove:
  • the engine cover,
  • the engine undertray,
  • the scuttle panel grille (see Scuttle panel grille: Removal - Refitting) (MR 393, 56A, Exterior equipment),
  • the scoop under the scuttle panel grille (see Scoop under the scuttle panel grille: Removal - Refitting) (MR 393, 56A, Exterior equipment),
  • the non-return valve on the servo,
  • the master cylinder (see 37A, Mechanical component controls, Master cylinder: Removal - Refitting, 37A-2),
  • the intake distributor (see Inlet distributor: Removal - Refitting) (MR 392, 12A, Fuel mixture).

• Remove the clips (1) from the acoustic shield.
• Move aside the acoustic shield.

• Remove the dashboard side face (2).

• Unclip protective strip (3).

• Remove:
  • the bolts (4) from the lower cover,
  • the lower cover, disconnecting the various connectors.
  • the engine tie-bar (see Lower engine tie-bar: Removal - Refitting) (MR 392, 19D, Engine mounting).

• Fit the (Mot. 1453).
• Remove the right-hand suspended mounting support (see Right-hand suspended engine mounting: Removal - Refitting) (MR 392, 19D, Engine mounting).
• Lower the engine as much as possible using the (Mot. 1453).

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Tilt the connecting shaft (5) upwards.
• Remove:
  • the double safety connecting shaft using a flat-blade screwdriver to move the ring (6),
  • the brake servo nuts (7).

• Move aside the brake pipes (8).
• Remove the brake servo (9).

Note: To pass the servo between the bulkhead and the engine, the pushrod must be oriented towards the bottom, with the engine slightly pulled forward.

REFITTING

I - REFITTING PREPARATIONS OPERATION

• Check that the brake servo sealing ring is in place (10).
• Replace the seal if it is damaged.
• The shaft connecting the brake servo pushrod and the brake pedal must be replaced every time it is removed.

• Before refitting, check that the dimension: (X1) = 128 mm.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • the brake servo,
  • the brake servo nuts.
• The shaft connecting the brake servo pushrod and the brake pedal must be refitted from right to left, and from top to bottom.
• Torque tighten the brake servo nuts (21 Nm).

III - FINAL OPERATION.

• Refit:
  • the bulkhead acoustic shield,
  • the bulkhead acoustic shield clips,
  • the right-hand suspended mounting support (see Right-hand suspended engine mounting: Removal - Refitting) (MR 392, 19D, Engine mounting).
• Remove the (Mot. 1453).
• Refit:
  • the engine tie-bar (see Lower engine tie-bar: Removal - Refitting) (MR 392, 19D, Engine mounting),
  • the intake distributor (see Inlet distributor: Removal - Refitting) (MR 392, 12A, Fuel mixture),
  • the master cylinder (see 37A, Mechanical component controls, Master cylinder: Removal - Refitting, 37A-2),
  • the non-return valve on the servo,
  • the scoop under the scuttle panel grille (see Scoop under the scuttle panel grille: Removal - Refitting) (MR 393, 56A, Exterior equipment),
  • the scuttle panel grille (see Scuttle panel grille: Removal - Refitting) (MR 393, 56A, Exterior equipment),
  • the engine undertray,
  • the engine cover.
• Bleed the brake circuit (see 30A, General information, Braking circuit: Bleed, 30A-4).
• Adjust the brake light switch (see 37A, Mechanical component controls, Brake pedal switch: Removal - Refitting, 37A-79).
• Check that the connecting shaft between the brake servo pushrod and the brake pedal is locked in place.
• Refit:
  • the lower cover and connect the various connectors,
  • the lower cover bolts,
  • the dashboard side panel,
  • the lower cover strip,
• Connect the battery (see Battery: Removal - Refitting) (MR 392, 80A, Battery).

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