Renault Clio: K9K, and 750 or 752

Renault Clio III (2005-2013) Service Manual / Engine And Peripherals / Top And Front Of Engine / Timing belt: Removal - Refitting / K9K, and 750 or 752

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 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) (MR 392, 04B Consumables - Products)
  • Surface cleaner (see Vehicle: Parts and consumables for the repair) (MR 392, 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 engine cover.
• Remove:
  • the scuttle panel grille (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).

Note: Do not damage the air conditioning pipes.

• Remove:
  • the right-hand suspended engine mounting (see 19D, Engine mounting, Right-hand suspended engine mounting: Removal - Refitting, 19D-22),
  • 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 accessories belt (see 11A, Top and front of engine, Accessories belt: Removal - Refitting, 11A-5).
  • the engine undertray,
  • the lower engine tie-bar (see 19D, Engine mounting, Lower engine tie-bar: Removal - Refitting, 19D-13).

II - OPERATION FOR REMOVAL OF PART CONCERNED

Note: There are two types of timing belt assembly.

III - FIRST FITTING

Recommendations for repair

Note: This procedure is applicable to engines manufactured up to 02/12/2005 fitted with a single unit camshaft timing sprocket and a crankshaft timing sprocket without collet.

• Wear protective gloves during the operation.

• Remove the upper timing cover by unclipping both tabs (5).

• Remove:
  • the camshaft position sensor (6),
  • the plastic bolt (7).
• Unclip the three tabs (8).
• Remove the lower 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 (1) (Mot. 1489).

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

• Engage the pin (2) (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 crankshaft accessories pulley by locking the flywheel with a large flat-blade screwdriver.

• Slacken the tensioning roller bolt (11).
• Loosen the timing tension wheel by turning the eccentric using a 6 mm hexagonal socket.
• Remove:
  • the timing belt taking care not to let the crankshaft timing sprocket fall out,
  • the timing tensioning roller,
  • the timing sprocket.

IV - SECOND FITTING

Recommendations for repair

Note: This procedure is applicable to engines manufactured from 02/12/2005 fitted with a two-part camshaft timing sprocket and a crankshaft timing sprocket with collet.

• Wear protective gloves during the operation.

• Remove the upper timing cover by unclipping both tabs (12).

• Remove:
  • the camshaft position sensor (13),
  • the plastic bolt (14).
• Unclip the three tabs (15).
• Remove the lower 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 (16) in the camshaft timing sprocket almost opposite the hole (17) in the cylinder head.

• Screw in the TDC setting pin (1) (Mot. 1489).

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

• Engage the pin (2) (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 crankshaft accessories pulley by locking the flywheel with a large flat-blade screwdriver.

• Slacken the tensioning roller bolt (18).
• Loosen the timing tension wheel by turning the eccentric using a 6 mm hexagonal socket.
• Remove:
  • the timing belt taking care not to let the crankshaft timing sprocket fall out,
  • the timing tensioning roller,
  • the timing sprocket.

REFITTING

• 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).

WARNING

It is essential to remove the grease from the end of the crankshaft, the camshaft timing sprocket and the bearing face of the crankshaft accessories pulley. This is to avoid timing slippage.

I - REFITTING OPERATION FOR PART CONCERNED

Note: There are two types of timing belt assembly.

II - FIRST FITTING

1 - Recommendations for repair

Note: This procedure is applicable to engines manufactured up to 02/12/2005 fitted with a single unit or two-part camshaft timing sprocket and a crankshaft timing sprocket without collet.

• Wear protective gloves during the operation.

• In the event of replacement:
  • of a camshaft timing sprocket, the Parts Department will only supply a two-part camshaft timing sprocket (19),
  • of a crankshaft timing sprocket, the Parts Department will only supply a crankshaft timing sprocket with collet (20).
• Before refitting the crankshaft timing sprocket; it is essential to remove the crankshaft timing sprocket collet (21).
• Place the crankshaft timing sprocket on a wooden stand to avoid damaging its teeth.
• When extracting the crankshaft timing sprocket collet, take care not to mark the crankshaft timing sprocket bore.

• Pivot the collet towards the interior of the crankshaft timing sprocket using a roll pin punch with a diameter of 5 mm and a mallet.

• Slide a roll pin punch with a diameter of 3 mm into the crankshaft timing sprocket groove (22).

• Position the roll pin punch with a diameter of 5 mm at (23) on the collet.
• Pivot the collet to position it vertically.

• Extract the crankshaft timing sprocket collet using a roll pin punch and a mallet.

• Use surface cleaner to degrease:
  • the end of the crankshaft (timing end),
  • the crankshaft timing sprocket bore and pressure faces at (24),
  • the contact surfaces of the crankshaft accessories pulley.

2 - Timing belt fitting procedure for engines fitted with a single unit camshaft timing sprocket

• Refit:
  • the crankshaft timing sprocket,
  • the timing tensioning roller.
• Put the tensioning roller lug (25) in the cylinder head groove (26).
• Engage the pin (Mot. 1430) in the camshaft timing sprocket and cylinder head holes at (27), turning the camshaft using a offset spanner (18 mm) if necessary.
• Check that the mark on the high pressure pump pinion (28) is opposite the bolt head (29).

• Position the crankshaft so that it presses against the TDC setting pin (Mot. 1489) (the crankshaft groove (30) must face upwards).

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

Note: There should be 19 timing belt tooth spaces between the marks on the camshaft sprocket and the high pressure pump pinion.

3 - Timing belt fitting procedure for engines fitted with a two-part camshaft timing sprocket

• Refit the timing tensioning roller.
• Put the tensioning roller lug (31) in the cylinder head groove (32).
• Engage the pin (3) (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 mark on the high pressure pump pinion (33) is opposite the bolt head (34).
• Loosen the three camshaft timing sprocket crown bolts (35) by one turn.

• Position the crankshaft so that it presses against the TDC setting pin (Mot. 1489) (the crankshaft groove (37) must face upwards).

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

Note: There should be 19 timing belt tooth spaces between the marks on the camshaft sprocket and the high pressure pump pinion.

• Use a torque wrench to torque tighten the camshaft timing sprocket crown bolts (14 N.m) (38).

4 - Second part of the timing procedure for engines fitted with a single unit or two-part camshaft timing sprocket

• Position the tensioning roller adjustable index marker (39) opposite the lug, turning the eccentric cam anti-clockwise using a 6 mm Allen key.
• Use a torque wrench to torque tighten the tensioning roller bolt (27 N.m).
• Refit the accessories crankshaft pulley with a new bolt.
• Torque and angle tighten using a torque/angle wrench or a torque wrench and a cylinder head bolt tightening gauge (angular measuring type) (crankshaft against the TDC setting pin):
  • the crankshaft accessories pulley M12 bolt (60 N.m + 100

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