Renault Clio: Fuel pressure: Check

Renault Clio III (2005-2013) Service Manual / Engine And Peripherals / Fuel Supply / Fuel pressure: Check

D4F

CHECK

IMPORTANT

During this operation, be sure to:

• be careful of fuel splashes when disconnecting the union.

IMPORTANT

Wear goggles with side protectors for this operation.

IMPORTANT

Wear latex gloves during the operation.

WARNING

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

D4F 740, D4F 742, D4F 764 engine

D4F 784, D4F 786 engine

• Disconnect the petrol inlet pipe from the injector rail.
• Connect:
  • the pipe (1) fitted with the pressure gauge contained in the checking kit, with the " T " union (2) of the (Mot. 1311-08),
  • the " T " unionon the rail,
  • the petrol inlet duct (3) to the " T " union.
• Start the engine.
• Determine the pressure.
  • the pressure must be constant (3.5 bars).
  • It may take a few seconds to obtain a correct injector rail pressure reading.
• Stop the engine

FINAL OPERATION

• Disconnect:
  • the petrol inlet duct from the " T " union,
  • the " T " union from the rail.
• Connect the petrol inlet duct.

K4J or K4M

IMPORTANT

During this operation, be sure to:

• beware of fuel splashes when disconnecting the union,
• protect sensitive areas from fuel outflow.

IMPORTANT

Wear goggles with side protectors for this operation.

IMPORTANT

Wear leaktight gloves (Nitrile type) for this operation.

WARNING

Protect sensitive areas from fuel spillage.

CHECK

I - PREPARATION OPERATION FOR CHECK

• Ensure you have a checking tool (Mot. 1311-01) and a " T " union (Mot. 1311-08).

II - TEST OPERATION

K4M

• Disconnect the fuel supply union from the injector rail.
• Connect:
  • the pipe fitted with a test pressure gauge (Mot.1311-01) with the " T " union (Mot. 1311-08) (1),
  • the " T " union (Mot. 1311-08) to the injector rail,
  • the injector rail fuel supply union to the " T " union (Mot. 1311-08).

K4J

• Disconnect the fuel supply union from the injector rail.
• Connect:
  • the pipe fitted with a test pressure gauge (Mot.1311-01) with the " T " union (Mot. 1311-08) (2),
  • the " T " union (Mot. 1311-08) to the injector rail,
  • the injector rail fuel supply union to the " T " union (Mot. 1311-08).

• Start the engine.
• Record the pressure; this should be constant at 3.5 bar.

Note: It may take a few seconds to obtain a correct injector rail pressure reading.

• Switch off the engine.

III - FINAL OPERATION

• Disconnect the " T " union (Mot. 1311-08) from the injector rail.
• Separate the test tool (Mot. 1311-01) from the " T " union.
• Connect the fuel supply pipe union on the injector rail.

M4R

IMPORTANT

During this operation, it is essential to:

• beware of fuel splashes when disconnecting the union,
• protect sensitive areas from fuel outflow.

IMPORTANT

Wear goggles with side protectors for this operation.

IMPORTANT

Wear gloves during this operation.

• Disconnect fuel supply pipe union (1) on the injector rail.
• Connect:
  • the pipe (2) attached to the trolley pressure gauge (Mot. 1311-01) with a " T " union (3) (Mot. 1311- 08),
  • the " T " union to the injector rail,
  • the injector rail fuel supply union to the " T " union.
• Note the fuel pressure.
  • The fuel pressure must be constant (3.5 bar +- 0.06).
  • It may take a few seconds to obtain a correct injector rail pressure reading.

F4R

IMPORTANT

During this operation, be sure to:

• beware of fuel splashes when disconnecting the union,
• protect sensitive areas from fuel outflow.

IMPORTANT

Wear gloves during this operation.

IMPORTANT

Wear goggles with side protectors for this operation.

I - REFITTING PREPARATION OPERATION BEFORE CHECK

• Use the (Mot. 1311-01) and the (Mot. 1311-08).
• Assemble the long flexible pipe of the (Mot. 1311- 01) and the (Mot. 1311-08).
• Disconnect the fuel supply union on the injector rail.

• Pass the flexible pipe of the (Mot. 1311-01) fitted with the (Mot. 1311-08) under the inlet manifold.

• Connect:
  • the (Mot. 1311-08) onto the injector rail positioning it between the rocker cover and the inlet manifold then pivoting it,
  • the fuel supply union on the (Mot. 1311-08),
  • the fuel pressure gauge on the flexible pipe.

II - FUEL PRESSURE CHECK

• Switch on the ignition.
• Measure the fuel pressure.
• The value should be 3.5 bar +-0.2.

Note: It may take a few minutes to obtain the correct pressure value.

III - FINAL OPERATION

• Disconnect the fuel supply union on the (Mot. 1311- 08).
• Disconnect:
  • the (Mot. 1311-08) from the injector rail,
  • the fuel pressure gauge on the flexible pipe.
• Remove the flexible pipe of the (Mot. 1311-01) fitted with the (Mot. 1311-08).
• Separate the (Mot. 1311-01) from (Mot. 1311-08).
• Connect the fuel supply union on the injector rail.

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