Renault Clio: Oil-coolant heat exchanger: Removal - Refitting

Renault Clio III (2005-2013) Service Manual / Engine And Peripherals / Engine And Cylinder Block Assembly / Oil-coolant heat exchanger: Removal - Refitting

K9K, and 764 or 766 or 768

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (02A, Lifting equipment).
• Remove:
  • the engine protector,
  • the front bumper (see Front bumper: Removal - Refitting) (55A, Exterior protection),
  • the engine undertray,
  • the intercooler (see 12B, Turbocharging, Intercooler: Removal - Refitting, 12B-21).
• Drain:
  • the engine oil (see 10A, Engine and cylinder block assembly, Engine oil: Draining - Refilling, 10A-12),
  • the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).

• Disconnect the oil pressure sensor connector (1).
• Remove:
  • the bolt (2) from the oil filter support,
  • the oil filter holder.

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Remove:
  • the nipple (3) from the oil-coolant heat exchanger,
  • the oil-coolant heat exchanger.

REFITTING

I - REFITTING PREPARATION OPERATION

• parts always to be replaced: coolant-engine oil heat exchanger seal on the cylinder block.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • new seals on the oil-coolant heat exchanger, previously lubricated with soapy water,
  • the oil-coolant heat exchanger on the coolant inlet pipe.
• Put two drops of HIGH RESISTANCE THREAD LOCK on the nipple of the oil-coolant heat exchanger.
• Torque tighten the oil-coolant heat exchanger nipple (39 N.m).

III - FINAL OPERATION

• Refit the oil filter holder.
• Torque tighten the oil filter holder bolt (28 N.m).
• Top up the engine oil (see 10A, Engine and cylinder block assembly, Engine oil: Draining - Refilling, 10A-12).
• Wait 2 minutes.
• Fill and bleed the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).
• Refit:
  • the intercooler (see 12B, Turbocharging, Intercooler: Removal - Refitting, 12B-21),
  • the engine undertray,
  • the front bumper (see Front bumper: Removal - Refitting) (55A, Exterior protection),
  • the engine protector.

M4R

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (02A, Lifting equipment).
• Remove:
  • the engine undertray,
  • the front bumper (see Front bumper: Removal - Refitting) (55A, Exterior protection),
  • the front impact cross member (see Front impact cross member: Removal - Refitting) (41A, Front lower structure),
  • the front end panel air resonator (see 12A, Fuel mixture, Air resonator: Removal - Refitting, 12A-10).
• Drain the engine oil (see 10A, Engine and cylinder block assembly, Engine oil: Draining - Refilling, 10A-12).
• Remove the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19).

• Fit hose clamps (Ms. 583) onto the oil-coolant heat exchanger hoses (1).
• Separate the clips (2) on the oil-coolant heat exchanger inlet and outlet hoses, using the tool (Mot.1448) or (Mot. 1202-01) or (Mot. 1202-02).
• Connect the oil-coolant heat exchanger hoses.

II - OPERATION FOR REMOVAL OF PART CONCERNED

• the oil-coolant heat exchanger,
• the oil-coolant heat exchanger O-ring.

REFITTING

I - REFITTING PREPARATION OPERATION

• parts always to be replaced: coolant-engine oil heat exchanger seal on the cylinder block.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit the oil-coolant heat exchanger equipped with a new seal.
• Torque tighten the oil-coolant exchanger bolt (49 N.m).

III - FINAL OPERATION

• Connect the oil-coolant heat exchanger inlet and outlet hoses.
• Fit the oil-coolant heat exchanger inlet and outlet hose clips using the tool (Mot. 1448) or (Mot. 1202- 01) or (Mot. 1202-02).
• Remove the hose clamps (Ms. 583) on the oil-coolant heat exchanger inlet and outlet hoses.
• Refit the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19).
• Top up the engine oil (see 10A, Engine and cylinder block assembly, Engine oil: Draining - Refilling, 10A-12).
• Refit:
  • the front end panel air resonator (see 12A, Fuel mixture, Air resonator: Removal - Refitting, 12A-10),
  • the front impact cross member (see Front impact cross member: Removal - Refitting) (41A, Front lower structure),
  • the front bumper (see Front bumper: Removal - Refitting) (55A, Exterior protection),
  • the engine undertray.
• Fill and bleed the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).

F4R

If there is an internal leak in the coolant-oil exchanger resulting in a coolant-oil mixture, you will need to:

• drain the engine oil (see 10A, Engine and cylinder block assembly, Engine oil: Draining - Refilling, 10A-12),
• drain the coolant (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16),
• replace the oil filter.

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (02A, Lifting equipment).
• Remove:
  • the engine undertray,
  • the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19).

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Fit a hose clamp (Ms. 583) on the coolant hoses (1).
• Separate the hose clips (2) using the tool (Mot.1448) or (Mot. 1202-01) or (Mot. 1202-02).
• Disconnect the oil-water heat exchanger cooling hoses.

Note: Watch out for coolant outflow.

• It is essential to mark the position of the coolant-oil heat exchanger.
• Remove:
  • the oil filter nipple (3),
  • the coolant-oil heat exchanger (4),
  • the coolant-oil exchanger seal.

Note: Watch out for the outflow of engine oil.

REFITTING

I - REFITTING PREPARATION OPERATION

• parts always to be replaced: coolant-engine oil heat exchanger seal on the cylinder block.
• Clean the sealing surfaces.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • a new seal on the oil-coolant heat exchanger,
  • the oil-coolant heat exchanger with its new seal, observing its fitting position,
  • the oil filter nipple, taking care not to alter the oil-coolant heat exchanger fitting position.
• Torque tighten the oil filter nipple (55 N.m).

III - FINAL OPERATION

• Connect the cooling hoses to the oil-coolant heat exchanger.
• Fit the clips on the hoses using the tool (Mot. 1448) or (Mot. 1202-01) or (Mot. 1202-02).
• Remove the hose clamp (Ms. 583).
• Refit the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19) with a new seal.
• Perform the following operations:
  • top up the engine oil level using the dipstick,
  • fill and bleed the coolant circuit (see 19A, Cooling, Cooling system: Draining - Refilling, 19A- 16).
• Check that there are no leaks from the oil filter and the coolant-oil heat exchanger.
• Refit the engine undertray.

K9K, and 772

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (02A, Lifting equipment).
• Remove:
  • the engine cover,
  • the engine undertray.
• Drain the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).
• Remove:
  • the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19),
  • the front bumper (see Front bumper: Removal - Refitting) (55A, Exterior protection).

• Disconnect the horn connector (1).
• Unclip the electrical wiring from the air deflector at (2).
• Remove:
  • the air deflector clips (3),
  • the air deflector.

• Disconnect the oil pressure sensor connector (4).
• Mark the position of the oil filter holder on the coolant- oil heat exchanger.
• Remove:
  • the oil filter holder hollow bolt (5),
  • the oil filter holder.

• Disconnect the inlet pressure sensor connector (6).
• Undo:
  • the air duct clip (7) between the intercooler and the damper valve on the damper valve,
  • the air duct clip (8) between the intercooler and the damper valve on the intercooler,
  • the bolt (9) of the upper air duct between the turbocharger and the intercooler,
  • the upper section of the air duct (10) between the turbocharger and the intercooler by moving aside the clips (11).

• Remove:
  • the nut (12) from the air inlet ducts on the alternator,
  • the air duct between the intercooler and the damper valve,
  • the bolt from the upper air duct between the turbocharger and the intercooler,
  • the upper section of the air duct between the turbocharger and the intercooler by separating the clips.
• Move the lower section of the duct between the turbocharger and the intercooler away from the alternator.
• Remove the accessories belt (see 11A, Top and front of engine, Accessories belt: Removal - Refitting, 11A-5).
• Loosen the alternator lower bolt (13).
• Remove the alternator upper bolt (14).
• Tip the alternator towards the front of the vehicle.

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Remove:
  • the nipple (15) from the oil-coolant heat exchanger,
  • the coolant-oil heat exchanger by releasing it from the coolant pump inlet pipe.

REFITTING

I - REFITTING PREPARATION OPERATION

• parts always to be replaced: coolant-engine oil heat exchanger seal on the cylinder block.
• Clean the bearing faces on the coolant-oil heat exchanger and the cylinder block.
• Refit new seals on the oil-coolant heat exchanger, previously lubricated with soapy water.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • the oil-coolant heat exchanger by connecting it to the coolant pump inlet pipe.
  • the oil-coolant heat exchanger nipple.
• Put two drops of HIGH RESISTANCE THREAD LOCK on the nipple of the oil-coolant heat exchanger.
• Torque tighten the oil-coolant heat exchanger nipple (39 N.m).

III - FINAL OPERATION

• Refit:
  • the oil filter holder,
  • the hollow bolt to the oil filter holder with new seals.
• Tighten to torque the oil filter holder hollow bolt (28 N.m).
• Refit the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19).
• Fit the alternator in place.
• Refit the alternator upper bolt.
• Torque tighten the alternator bolts (21 N.m).
• Position the lower section of the air duct between the turbocharger and the intercooler on the alternator.
• Refit:
  • the air duct between the intercooler and the damper valve,
  • the air duct nut on the alternator.
• Tighten to torque the air duct clips between the intercooler and the damper valve (5.5 N.m).
• Connect the inlet pressure sensor connector.
• Fit:
  • the clip to the inlet of the lower section of the air duct between the turbocharger and the intercooler,
  • the clip to the inlet of the upper section of the air duct between the turbocharger and the intercooler.
• Loosen the intercooler inlet air pipe nut on the alternator.
• Fit the air duct between the turbocharger and the intercooler air inlet pipe.
• Snap the air duct to the turbocharger and to the air pipe at the intercooler inlet.
• Tighten the bolt of the air duct on the rocker cover.
• Torque tighten the exchanger inlet air pipe nut on the alternator (8 N.m).
• Refit:
  • the accessories belt (see 11A, Top and front of engine, Accessories belt: Removal - Refitting, 11A-5),
  • the deflector above the intercooler,
  • the deflector clips.
• Connect the horn connector.
• Clip the electrical wiring onto the deflector.
• Refit the front bumper (see Front bumper: Removal - Refitting) (55A, Exterior protection).
• Fill and bleed the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).
• Refit:
  • the engine undertray,
  • the engine cover.

K9K, and 750 or 752

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (02A, Lifting equipment).
• Remove the engine undertray.

• Fit the hose clamps (Ms. 583) on the oil-coolant heat exchanger inlet and outlet hoses (1).
• Separate the clips (2) on the oil-coolant heat exchanger inlet and outlet hoses, using the tool (Mot.1448) or (Mot. 1202-01) or (Mot. 1202-02).
• Disconnect the oil-coolant heat exchanger inlet and outlet hoses.

• Remove:
  • the bolt (3) from the oil filter support,
  • the oil filter holder.

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Remove:
  • the nipple (4) from the oil-coolant heat exchanger,
  • the oil-coolant heat exchanger.

REFITTING

I - REFITTING PREPARATION OPERATION

• parts always to be replaced: coolant-engine oil heat exchanger seal on the cylinder block.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • a new exchanger seal by positioning the seal lip behind the exchanger tabs,
  • the oil-coolant heat exchanger.
• Screw in the oil-coolant heat exchanger nipple, without tightening it.
• Torque tighten the oil-coolant heat exchanger nipple (45 N.m).

III - FINAL OPERATION

• Refit the oil filter holder.
• Torque tighten the oil filter holder bolt (45 N.m).
• Connect the oil-coolant heat exchanger inlet and outlet hoses.
• Fit the oil-coolant heat exchanger inlet and outlet hoses clips using the (Mot. 1448) or (Mot. 1202-01) or (Mot. 1202-02).
• Remove the hose clamps (Ms. 583) on the oil-coolant heat exchanger inlet and outlet hoses.
• Fill and bleed the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).
• Refit the engine undertray.

D4F, and 784 or 786

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 undertray,
  • the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19).

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Fit hose clamps (Ms. 583) onto the oil-coolant heat exchanger hoses (1).
• Release the clips (2) using the (Mot. 1448).
• Disconnect the oil cooler hoses.

• Remove:
  • the nipple (3) from the oil-water heat exchanger,
  • the oil cooler.

REFITTING

I - REMOVAL PREPARATION OPERATION

• Clean the bearing faces on the coolant-oil heat exchanger and the cylinder block.
• Always replace the coolant-oil heat exchanger seals.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • the oil cooler,
  • the oil-coolant heat exchanger fitting.
• Torque tighten the oil-coolant heat exchanger nipple (30 Nm).
• Connect the oil-coolant heat exchanger hoses.
• Refit the clips using the (Mot. 1448).
• Remove the hose clamps (Ms. 583).

III - FINAL OPERATION.

• Refit:
  • the oil filter (see 10A, Engine and cylinder block assembly, Oil filter: Removal - Refitting, 10A-19),
  • the engine undertray.
• Connect the battery (see Battery: Removal - Refitting) (MR 392, 80A, Battery).
• Fill and bleed the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).

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