Renault Koleos Service Repair Manual: Injector rail - Injectors: Removal - Refitting

Renault Koleos Service Repair Manual / Engine and peripherals / Fuel supply / Injector rail - Injectors: Removal - Refitting

2TR

Fuel supply

IMPORTANT Wear protective gloves during the operation.

REMOVAL

I - REMOVAL PREPARATION OPERATION

  • Position the vehicle on a two-post lift .
IMPORTANT To prevent the vehicle from falling, lash it to the vehicle lift using a strap.
  • Remove the air inlet sleeve.

Fuel supply

  • Unclip the cover (1) of the engine interconnection unit.

Fuel supply

  • Remove the fuse (2) of the fuel pump(F13) (15A).
  • Start the engine to relieve the fuel pressure.
Note: After switching the engine off, start it again two or three times to fully relieve the fuel pressure.
  • Remove:
    • the battery
    • the battery tray
    • the air filter box
    • the engine cover
    • the air resonator located on the rocker cover
    • the air inlet duct.

Fuel supply

  • Remove the plug of the fuel supply union.
IMPORTANT During this operation, be sure to:
  • refrain from smoking or bringing red hot objects close to the working area,
  • be careful of fuel splashes when disconnecting the union.
  • Disconnect the quick-release union of the fuel supply (3) using the tool (Mot. 1869) (4) .
Note: Insert the tool (Mot. 1869) (4) on the second retainer (5) .

Fuel supply

  • Remove the clips (6) of the petrol vapour rebreathing pipe.
  • Disconnect the petrol vapour rebreathing pipe (7) .

Fuel supply

  • Remove the clips (8) of the oil vapour rebreathing hose.
  • Disconnect the oil vapour rebreathing hose (9) .

Fuel supply

  • Remove the clip (10) from the vacuum pipe of the brake servo.
  • Disconnect the vacuum pipe (11) from the brake servo.
  • Remove:
    • the windscreen wiper arms
    • the scuttle half-grille
    • the windscreen wiper mechanism
    • the scoop under the scuttle panel grille
  • Disconnect the motorised throttle valve connector.
  • Remove the motorised throttle valve without disconnecting the coolant pipes.

Fuel supply

  • Disconnect the injector connectors (12) .
  • Remove the intake distributor.

II - OPERATION FOR REMOVAL OF PART CONCERNED

IMPORTANT During this operation, be sure to:
  • refrain from smoking or bringing red hot objects close to the working area,
  • be careful of fuel splashes when disconnecting the union.

 

IMPORTANT Wear protective gloves during the operation.

 

WARNING To avoid any corrosion or damage, protect the areas on which fuel is likely to run.

Fuel supply

(14) Front of engine

  • From the adapter (13) of the intake distributor, remove:
    • in order,the injector rail - injector bolts (15) ,
    • the injector rail (16) .

Fuel supply

  • From the injector rail guard remove:
    • the clips (17) from the injectors,
    • the injectors (18) .

REFITTING

I - REFITTING PREPARATION OPERATION

  • Always replace:
    • the injectors' O-rings,
    • the injector clips,
  • Clean the injectors using the INJECTOR CLEANER.
  • Lubricate the new O-rings with fresh engine oil.

II - REFITTING OPERATION FOR PART CONCERNED

Fuel supply

  • On the injectors, refit:
    • the blue O-rings (A) ,
    • The brown O-rings (B) .
  • On the injector rail, refit:
    • the injectors ,
    • the new injector clips.

Fuel supply

(19) Front of engine

  • On the inlet manifold adapter, refit:
    • the injector rail,
    • the injector rail bolts.
  • Torque tighten in order the injector rail bolts (22 N.m).

III - FINAL OPERATION.

  • Refit the intake distributor.
  • Connect the injector connectors.
  • Refit the motorised throttle valve.
  • Connect the motorised throttle valve connector.
  • Refit:
    • the scoop under the scuttle panel grille
    • the windscreen wiper mechanism
    • the scuttle half-grille
    • the windscreen wiper arms
  • Connect the brake servo vacuum pipe.
  • Refit the clip of the vacuum pipe of the brake servo.
  • Connect the oil vapour rebreathing hose.
  • Refit the clips of the oil vapour rebreathing hose.
  • Disconnect the petrol vapour rebreathing pipe.
  • Refit the clips of the petrol vapour rebreathing pipe.

Fuel supply

  • Connect the quick-release union of the fuel supply.
Note: Connect the quick-release union (A) on par t (B) .

Then check the connection by pulling on part (A)

Fuel supply

(C) Direction of the fuel supply pipe
(D) Direction of the injector rail

  • Refit:
    • the plug of the fuel supply union
    • the air inlet duct
    • the air resonator located on the rocker cover
    • the engine cover
    • the air filter box
    • the battery tray
    • the battery
    • the fuel pump fuse.
  • Clip the cover on the engine interconnection unit.
  • Refit the air intake sleeve.
    Fuel filter: Removal - Refitting

    Fuel pressure: Check

    See More:

    Renault Koleos Service Repair Manual > Engine - gearbox assembly: Removal - Refitting: M9R
    IMPORTANT Consult the safety and cleanliness advice and operation recommendations before carrying out any repair . REMOVAL I - REMOVAL PREPARATION OPERATION Position the vehicle on a two-post lift . Remove: the engine cover, the air inlet sleeve clips, the air inlet sleeve from the air filter unit. ...

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