Renault Clio: F4R

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (02A, Lifting equipment).
• Disconnect the battery (see Battery: Removal - Refitting) (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 inlet 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 separator (see 11A, Top and front of engine, Oil decanter: Removal - Refitting, 11A-302),
  • the battery (see Battery: Removal - Refitting) (80A, Battery),
  • the air filter unit (see 12A, Fuel mixture, Air filter unit: Removal - Refitting, 12A-17),
  • the front right-hand wheel (see Wheel: Removal - Refitting) (35A, Wheels and tyres),
  • the front bumper (see Front bumper: Removal - Refitting) (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 exhaust manifold nuts.
• 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 bolts (3),
  • the cylinder head.
• Mount the cylinder head on the cylinder head support.
• Remove the cylinder head seal.

REFITTING

I - REFITTING PREPARATION OPERATION

1 - CLEANING THE CYLINDER HEAD

• parts always to be replaced: cylinder head bolts.
• parts always to be replaced: Cylinder head gasket.
• parts always to be replaced: exhaust manifold seal.

• Clean the cylinder head.

IMPORTANT

Wear goggles with side protectors for this operation.

IMPORTANT

Wear leaktight gloves (Nitrile type) for this operation.

WARNING

Do not scrape the joint faces of the aluminium, any damage caused to the joint face will result in a risk of leaks.

WARNING

To ensure proper sealing, the gasket surfaces must be clean, dry and not greasy (avoid any 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 using SUPER CLEANING AGENT FOR JOINT FACES (see Vehicle: Parts and consumables for the repair) (04B, Consumables - Products) to dissolve the part of the seal that is still attached to the cylinder head and the 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:
  • a new cylinder head gasket,
  • the cylinder head,
  • new cylinder head bolts.

Tightening the cylinder head

• Torque tighten (initial tightening) in order the cylinder head bolts (30 N.m).
• Torque tighten (second tightening) in order the cylinder head bolts (30 N.m).
• Angle tighten in order the cylinder head bolts (180

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