Renault Clio: Injector leak flow: Check

K9K, and 750 or 752 or 764 or 766 or 768

Note: Vehicles equipped with the K9K*768 engine may or may not be equipped with an intercooler.

• Disconnect the battery (see Battery: Removal - Refitting) (MR 392, 80A, Battery).

• Disconnect the inlet pressure sensor (1).
• Remove the air duct (3) between the intercooler and the turbocharger.

K9K, and 750 or 766 or 768

• Remove the air duct (2) between the air filter and the intercooler.

• Unclip the cover of the diesel rail protector.
• Remove:
  • the diesel anti-splash shield bolt,
  • the diesel anti-splash shield.

K9K, and 764

• Disconnect the four return pipes from the four injectors.
• Connect the four transparent hoses of the (Mot.1771) to the injectors instead of the injector fuel return pipes.
• Place the correct blanking plug on the injector fuel return connectors.

K9K, and 766 or 768

• Connect the four transparent hoses of the (Mot.1711) to the injectors instead of the injector fuel return pipes.
• Place the correct blanking plug on the injector fuel return connectors.
• Insert these hoses in the four graduated measuring cylinders of the (Mot. 1711).

• Refit the air duct between the air filter and the intercooler.

K9K, and 750 or 766 or 768

• Loosen the intercooler inlet air pipe nut on the alternator.
• Fit the air duct between the turbocharger and the intercooler air inlet pipe.
• Tighten the bolt of the air duct on the rocker cover.
• Torque tighten the nut mounting the intercooler inlet air pipe on the alternator (8 N.m).

• Connect:
  • the inlet pressure sensor,
  • the battery (see Battery: Removal - Refitting) (MR 392, 80A, Battery).
• Follow the procedures described in the fault finding repair manual (see MR 394 Fault finding, 13B, Diesel injection, Fault finding - Tests):
  • TEST 6: Major leak in injectors / injectors open,
  • TEST 7: Incorrect injection quantity.

IMPORTANT

Do not leave any object (tools or other) on the side of the engine housing during the entire operation.

Position the tools so that they do not fall during the " engine running " phase of the test.

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