Contents: Examination ⇓ Installation ⇓
Disconnect the ground cable from the battery.
Remove the alternator and power steering belts.
By loosening bolt (1) and rotating bolt (2), loosen the tension of the air conditioner compressor belt tensioner.

Remove the tensioner and belt.
Remove the water pump and power steering pulleys.
Remove the crankshaft pulley.
Remove the upper and lower camshaft drive belt covers.
Label and disconnect the spark plug wires.
Remove the cylinder block cover and its gasket.
Front elements of the 1.6L engine
1 - air conditioning compressor drive belt;
2 - tensioning device;
3 - bottom cover;
4 — crankshaft pulley;
5 — alternator drive belt;
6 — coolant pump drive belt;
7 — coolant pump pulley;
8 — top cover.
Turn the crankshaft clockwise until all marks are aligned. The marks on the camshaft gears must be aligned with the top surface of the cylinder head, and the keys in the center of the camshaft gears must be facing upward. In this case, the piston of the 1st cylinder will be at TDC of the compression stroke.
Timing Belt Alignment Marks
A, B, C - installation marks;
1 - exhaust camshaft gear;
2 - keys;
3 - intake camshaft gear;
4 — cylinder head;
5 - crankshaft gear;
6 - oil pump gear.
Remove the tensioner.
Remove the timing belt.
Caution: If this belt is to be reinstalled, it must be marked with an arrow indicating the direction of rotation.

Remove the tensioner pulley.
Examination
Visually inspect the condition of the timing belt. If any of the following defects are found, replace the belt.
The teeth are broken or cracked at the base
Possible causes of defects:
- camshaft or distributor seizure;
- the crankshaft and/or camshaft seals are damaged.
The back side of the belt is badly worn or has cracks
Possible causes of defects:
- tension roller jamming;
- engine overheating;
- the belt is catching on the cover.
The side surface of the belt is worn out. The edges of the belt are rounded, the cord threads are frayed and protrude outward
Possible causes of defects:
- incorrect belt installation;
- the side surfaces of the tension roller are nicked or heavily worn.
Wear of teeth. The outer coating on the thrust surface of the teeth is worn off, the rubber layer underneath is worn and has a whitish color
Possible causes of defects:
- poor belt cover seal;
- water pump leak;
- camshaft malfunction;
- distributor malfunction;
- excessive belt tension.
Oil, coolant or water getting on the belt
Possible causes of defects:
- poor sealing in the oil seals;
- water pump leak;
- poor sealing of the belt cover.
Check the tensioner and idler pulleys for wear and damage
Check the wear of the gears and tensioner. The teeth of the wheel must have a clear profile, must not be rounded, and the gullies between the teeth must be clean.
Inspect the tensioner for wear and damage. Carefully inspect the push rod tip for signs of wear.

Measure the length of the pushrod projection. It should be 12 mm. If this parameter does not match, replace the tensioner.

Before installing the timing belt, it is necessary to press the pusher into the tensioner so that the holes (A) and (B) coincide, and insert the process wire.

Installation
Installation is carried out in the reverse order, taking into account the following: • Correctly install the gear wheels (1, 2) and flange (3) of the crankshaft (4).

Adjust the position of the tension roller, while the holes for the pins (1) should be to the left of the bolt (2), and the roller bracket should rest against the tensioner (3).

Turn the inlet (I) and outlet (II) valve gears so that their keys (1) and (2) face upward. Then align the alignment marks (A).

Caution: Do not mix up the gear wheels, as marks (1) and (2) are offset from the key.

Install the crankshaft and oil pump gears so that the timing marks (B) and (C) are positioned as shown in the figure.

The toothed belt is put on in the following sequence:
- crankshaft gear;
- tensioner;
- oil pump gear;
- idler pulley;
- intake valve camshaft gear;
- exhaust valve camshaft gear (before installing, it is necessary to turn this gear wheel one tooth clockwise until the installation mark on the cylinder head is aligned).
Timing Belt Installation Sequence
Turn the tensioner (2) in the direction of the arrow to slightly tighten the belt and tighten the central bolt (A).
Turn the crankshaft first 1/4 turn counterclockwise, then in the opposite direction until all timing marks are aligned (TDC).
After removing the plug from the rear cover of the timing belt, screw the special device into the hole until it stops against the tensioner bracket.

After loosening the central bolt of the tensioner, tighten the toothed belt.
While holding the tensioner pulley with a fixture and torque wrench, tighten the center bolt to the specified torque.

Screw the tool in until it contacts the tensioner bracket.

After this, turn the device another 2.5-3 turns. In this case, the tensioning device pusher should sink to the required value (4±0.5 mm).

Insert the plug (1) into the hole in the rear timing belt cover.

Install the timing belt covers and tighten the mounting bolts. Do not mix up the cover mounting bolts - they are of different lengths (the length of the bolts is shown in the figure).

