Renault Clio: F4R, and 830

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).
• Perform the following operations:
  • drain the engine oil (see 10A, Engine and cylinder block assembly, Engine oil: Draining - Refilling, 10A-12),
  • drain the cooling system (see 19A, Cooling, Cooling system: Draining - Refilling, 19A-16).
• Remove:
  • the throttle valve (see 12A, Fuel mixture, Throttle valve: Removal - Refitting, 12A-33),
  • the intake distributor (see 12A, Fuel mixture, Inlet distributor: Removal - Refitting, 12A-45),
  • the injector holder plate equipped with the injector rail (see 12A, Fuel mixture, Injector holder shim: Removal - Refitting, 12A-69),
  • the ignition coils (see 17A, Ignition, Coils: Removal - Refitting, 17A-2),
  • the oil decanter (see 11A, Top and front of engine, Oil decanter: Removal - Refitting, 11A-302),
  • the battery (see Battery: Removal - Refitting) (MR 392, 80A, Battery),
  • the air filter box (see 12A, Fuel mixture, Air filter unit: Removal - Refitting, 12A-17),
  • the front right-hand wheel (see Wheel: Removal - Refitting) (MR 392, 35A, Wheels and tyres),
  • the front bumper (see Front bumper: Removal - Refitting) (MR 393, Bodywork, 55A, Exterior protection),
  • the accessories belt (see 11A, Top and front of engine, Accessories belt: Removal - Refitting, 11A-5),
  • the timing belt (see 11A, Top and front of engine, Timing belt: Removal - Refitting, 11A-48).

• Remove the mounting nuts from the exhaust manifold.
• Move aside the exhaust manifold.
• Remove:
  • the exhaust manifold gasket,
  • the rocker cover (see 11A, Top and front of engine, Rocker cover: Removal - Refitting, 11A-183),
  • the inlet and exhaust camshafts.

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Remove:
  • the valve rockers (1),
  • the hydraulic tappets (2).

Note: To prevent any risk of unpriming the hydraulic tappets make sure that they are vertical.

• Remove:
  • the cylinder head mounting bolts (3),
  • the cylinder head.
• Mount the cylinder head on the cylinder head support.
• Remove the cylinder head gasket.

REFITTING

I - REFITTING PREPARATIONS OPERATION

1 - CLEANING THE CYLINDER HEAD

• Clean the cylinder head.

IMPORTANT

Wear goggles with side protectors for this operation.

IMPORTANT

Wear latex gloves during the operation.

WARNING

Do not scratch the aluminium joint faces: any surface damage to the joint faces may cause leaks.

WARNING

The joint faces must be clean, dry and free from grease (avoid finger marks).

WARNING

Do not allow this product to drip onto the paintwork.

Failure to follow this advice could lead to the blocking of the various oil inlet galleries, which would quickly result in engine damage.

• Clean the joint faces with SUPER CLEANER FOR JOINT FACES to dissolve any part of the seal still remaining on the cylinder head and cylinder block.

  Apply the product to the part to be cleaned, wait approximately ten minutes then remove the residue with a wooden spatula.

2 - PREPARING TO FIT THE CYLINDER HEAD

• Place the pistons at (4) half stroke.
• Check that the centring devices (5) are present and in good condition on the cylinder block.

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • the new cylinder head gasket,
  • the cylinder head,
  • the new cylinder head bolts.

Tightening the cylinder head:

• First, torque tighten, in order the cylinder head mounting bolts (30 Nm).
• Then torque tighten, in order the cylinder head mounting bolts again (30 Nm).
• Angle tighten in order the cylinder head mounting bolts (180

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