Toothed timing belt (Mitsubishi Space Star)

Contents: Removal ⤓ Examination ⤓ Installation ⤓

Removal

To remove the timing belt, perform the following operations in sequence.
Disconnect the cable from the negative battery terminal.
Remove the bolts and engine support bracket.
Loosen and remove the accessory drive belts.
Remove the crankshaft pulley.
Remove the bolts and water pump pulley.
Remove the bolts and remove the power steering pump along with the attached hose and bracket.

Note: Use a cord or soft wire to secure the removed power steering pump to the engine compartment so that it does not interfere with the removal of the timing belt.

Turn the crankshaft clockwise until the timing marks on the camshaft and crankshaft pulleys align with the corresponding marks, while the piston of the 1st cylinder will be set at TDC in the compression stroke (Fig. 3.38).

Fig. 3.38. Alignment of timing marks on the camshaft and crankshaft pulleys with the corresponding marks

Loosen the timing belt tensioner adjusting bolt.
Move the timing belt tensioner towards the water pump and temporarily tighten the adjusting bolt so that the tensioner does not turn (Fig. 3.39).
Remove the timing belt of the gas distribution mechanism drive.

Fig. 3.39. Moving the timing belt tensioner towards the water pump

Warning: If the timing belt is reused, use chalk to mark an arrow on the back (non-running) surface of the belt indicating the direction of rotation (clockwise).

Examination

See the corresponding description in the section "Gasoline engines 4G93".

Installation

Installation is carried out in the reverse order of removal, taking into account the following.
Position the toothed belt tensioner protrusion at the end of the tensioner spring (A) as shown in Figure 3.40.

Fig. 3.40. Installing the timing belt tensioner spring

Move the timing belt tensioner towards the water pump and temporarily tighten the adjusting bolt.
Insert a screwdriver (C) and press the projection (B) of the tensioner spring in the direction shown in Fig. 3.40, and install the spring onto the stopper (D) of the oil pump.
Align the timing marks on the crankshaft and camshaft pulleys with the corresponding fixed marks.
Install the timing belt in the following order, making sure that the working section of the belt is tensioned:

- crankshaft pulley;

- camshaft pulley;

- tension mechanism pulley.

Fig. 3.41. Place of pressing on the belt to check the tension of the working branch of the belt

Warning: After installing the timing belt, try to turn the camshaft pulley in the opposite direction with force, and then check the belt tension and alignment of the timing marks.

Loosen the bolt securing the timing belt tensioning mechanism by turning it 1/2-1/4 turns and allow the tensioning mechanism spring to tighten the belt (Figure 3.42).

Fig. 3.42. Adjusting the toothed belt tension

Turn the crankshaft two turns clockwise and make sure that the timing marks on the camshaft and crankshaft pulleys are aligned with the fixed marks.

Warning: Since the purpose of this operation is to ensure the required tension of the timing belt due to the forces created by the camshaft lobes, the crankshaft must not be rotated in the opposite direction.

After checking, make sure that the teeth of the timing belt are correctly aligned with the recesses of the camshaft pulley in section (A) shown in Figure 3.43.