Renault Clio: K9K, and 764 or 772

IMPORTANT

Wear protective gloves during the operation.

WARNING

Never rotate the engine anti-clockwise (timing end).

WARNING

Do not run the engine without the accessories belt, to avoid breaking the crankshaft accessories pulley.

PARTS AND CONSUMABLES FOR THE REPAIR WORK

• Parts always to be replaced
  • Timing belt,
  • Timing belt tensioning roller,
  • Crankshaft accessories pulley bolt.
• Consumables
  • Silicone adhesive sealant (see Vehicle: Parts and consumables for the repair) (MR392, 04B, Consumables - Products).

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 front right-hand wheel (see Wheel: Removal - Refitting) (MR 392, 35A, Wheels and tyres),
  • the front section of the front right-hand wheel arch liner (see Front wheel arch liner: Removal - Refitting) (MR 393, 55A, Exterior protection),
  • the engine undertray,
  • the lower engine tie-bar (see 19D, Engine mounting, Lower engine tie-bar: Removal - Refitting, 19D-13).

• Remove:
  • the engine cover,
  • the scuttle panel grille (1) (see Scuttle panel grille: Removal - Refitting) (MR 393, 56A, Exterior equipment),
  • the scoop under the scuttle panel grille (see Scoop under the scuttle panel grille: Removal - Refitting) (MR 393, 56A, Exterior equipment).

• Position the (Mot. 1453) (2) and hold it in place using a safety strap(s) (3).
• Fit a chain (4) on the lifting eye of the crankshaft end to enable the engine to be lifted using the (Mot.1453).
• Remove:
  • the right-hand suspended engine mounting (see 19D, Engine mounting, Right-hand suspended engine mounting: Removal - Refitting, 19D-22),
  • the accessories belt (see 11A, Top and front of engine, Accessories belt: Removal - Refitting, 11A-5).

Note: Do not damage the air conditioning pipes.

II - OPERATION FOR REMOVAL OF PART CONCERNED

• Unclip the tab (5).
• Rotate the timing cover (6) in the direction of the arrow.
• Remove the plastic bolt (7).

• Unclip the three tabs (8).
• Remove the timing cover.

• Remove the cylinder head suspended mounting.

• Remove the TDC pin plug using a 1/2" female torx socket (12.7 mm square drive) (14).

• Rotate the crankshaft clockwise (timing end) to position the hole (9) in the camshaft timing sprocket almost opposite the hole (10) in the cylinder head.

• Screw in the TDC setting pin (11) (Mot. 1489).

• Turn the crankshaft clockwise (timing end) smoothly until the crankshaft comes into contact with the TDC setting pin.

• Engage the pin (12) (Mot. 1430) in the camshaft timing sprocket and cylinder head holes.
• Remove:
  • the camshaft timing sprocket setting pin (Mot.1430),
  • the TDC setting pin (Mot. 1489).
• Remove the starter (see 16A, Starting - Charging, Starter: Removal - Refitting, 16A-23).

• Remove the crankshaft accessories pulley by locking the flywheel with a large flat-blade screwdriver and passing via the starter location.

• Slacken the tensioning roller bolt (13).
• Slacken the timing tension wheel by turning the eccentric cam using a 6 mm Allen key.
• Remove:
  • the timing belt,
  • the timing tensioning roller.

REFITTING

I - REFITTING OPERATION FOR PART CONCERNED

• Check:
  • that there is no oil leak from the camshaft and crankshaft seals,
  • the condition of the coolant pump (hard seal, play in the shaft, fluid leak, shaft rotation, (see Technical Note 3175A, Cooling system fault finding, 19A, Cooling, Cooling system - Fault finding chart ALP 8).

• Refit the timing tensioning roller.
• Put the tensioning roller lug (14) in the cylinder head groove (15).
• Engage the pin (16) (Mot. 1430) in the camshaft timing sprocket and cylinder head holes, turning the camshaft using a offset spanner (18 mm) if necessary.
• Check that the high pressure pump mark (18) has shifted one tooth to the right of the vertical axle (17).

• Tighten the old crankshaft accessories pulley bolt fitted with a spacer (which does not cover the timing sprocket mark) (19) onto the crankshaft.

• Position the crankshaft so that it presses on the TDC setting pin (Mot. 1489) (the crankshaft timing sprocket collet (20) must face upwards).

• Remove one of the camshaft timing sprocket crown bolts to prevent full lock during the following actions.
• Loosen the other two camshaft timing sprocket crown bolts (21) by one turn.

• Fit the timing belt, starting with the crankshaft sprocket, by aligning the marks on the belt with those on the crankshaft and camshaft sprockets, and the high pressure pump pinion.

Note: There should be 19 tooth valleys on the belt between the camshaft sprocket marks and the high-pressure pump, and 51 tooth valleys between the crankshaft sprockets and the high-pressure pump.

• Position the tensioning roller adjustable index marker (22) opposite the lug (23), turning the eccentric cam anti-clockwise using a 6 mm Allen key.
• Torque tighten the tensioning roller bolt (27 N.m).

• Position the tensioning roller adjustable index marker (22) opposite the lug (23), turning the eccentric cam anti-clockwise using a 6 mm Allen key.
• Torque tighten the tensioning roller bolt (27 N.m).

• Refit the bolt from the camshaft timing sprocket crown.
• Torque tighten the camshaft timing sprocket crown bolts (14 N.m).
• Remove:
  • the TDC setting pin (Mot. 1489),
  • the camshaft timing sprocket setting pin (Mot.1430).

• Rotate the crankshaft clockwise through two revolutions (timing end). Before the hole (24) in the camshaft timing sprocket is opposite the hole (25) in the cylinder head:
  • screw the TDC setting pin (Mot. 1489) into the cylinder block,
  • bring the crankshaft slowly and smoothly against the TDC setting pin.

• Lock the camshaft timing sprocket using the (Mot.1430).

• If the pin (Mot. 1430) does not engage:
  • loosen the camshaft timing sprocket crown bolts by a maximum of one turn,
  • turn the camshaft timing sprocket hub using an 18 mm offset spanner to facilitate setting of the camshaft timing sprocket hub,
  • do not retighten the camshaft timing sprocket crown bolts.
• Loosen the camshaft timing sprocket crown bolts by a maximum of one turn.

• Check that the crankshaft timing sprocket collet (26) is positioned vertically at the top.

Note: After two turns, the tension wheel index markers may be in two different positions.

The rotation of the tension wheel eccentric depends on the position.

First position

• Loosen the tensioning roller bolt by no more than one turn, holding it with a 6 mm Allen key.
• Gradually align the adjustable index (27) in the middle of the timing window (28), turning the key anticlockwise.
• Torque tighten:
  • the tensioning roller bolt (27 N.m),
  • the camshaft timing sprocket crown bolts (14 N.m).

Second position

• Loosen the tensioning roller bolt by no more than one turn, holding it with a 6 mm Allen key.
• Gradually align the adjustable index (29) in the middle of the timing window (30), turning the key clockwise.
• Torque tighten:
  • the tensioning roller bolt (27 N.m),
  • the camshaft timing sprocket crown bolts (14 N.m).
• Remove the following tools:
  • the TDC setting pin (Mot. 1489),
  • the camshaft timing sprocket setting pin (Mot.1430).
• Rotate the crankshaft clockwise through two revolutions (timing end). Before the hole in the camshaft timing sprocket is opposite the hole in the cylinder head:
  • screw the TDC setting pin (Mot. 1489) into the cylinder block,
  • bring the crankshaft slowly and smoothly against the TDC setting pin.

• Lock the camshaft timing sprocket using the (Mot.1430).
• If the pin does not engage, repeat the timing belt refitting operation.

• Refit the accessories crankshaft pulley with a new bolt.
• Torque and angle tighten (crankshaft against the TDC setting pin) the crankshaft accessories pulley M14 bolt (120 N.m + 95

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