We replace the chain when it is stretched and remove it when repairing the engine.

To replace the chain, you need to remove the engine from the GAZelle NEXT car

To perform the work, you will need keys: hexagons for 5, 6, socket heads for 10, 15 and a device for holding the phase sensor drive disk from turning.

Removing the engine.

Setting the piston of the first cylinder to TDC of the compression stroke Setting the TDC of the first cylinder Cummins ISF2.8

Cummins ISF2.8 timing chain replacement

We unscrew the five bolts securing the crankcase cover of the gas distribution drive

Cummins ISF2.8 timing chain replacement

Remove the cover

Remove the gasket. When installing, you need to replace the gasket

Cummins ISF2.8 timing chain replacement

We unscrew the two bolts securing the cover of the hydraulic chain tensioner

Cummins ISF2.8 timing chain replacement

Remove the cover

Cummins ISF2.8 timing chain replacement

Remove the hydraulic tensioner plunger

Cummins ISF2.8 timing chain replacement

We fix the chain by tying it with wire

Weaken the bolt securing the drive disk and the camshaft sprocket, keeping the shaft from turning.

Cummins ISF2.8 timing chain replacement

We completely unscrew the bolt securing the drive disk of the phase sensor and the camshaft sprocket

Cummins ISF2.8 timing chain replacement

After unscrewing the bolt securing the timing sensor drive disk and the camshaft sprocket, the crankshaft and camshaft must not be rotated so as not to disturb the valve timing.

Cummins ISF2.8 timing chain replacement

Removing the disk

Cummins ISF2.8 timing chain replacement

Remove the sprocket and chain from the camshaft shank

Cummins ISF2.8 timing chain replacement

Remove the spacer so as not to lose it

Cummins ISF2.8 timing chain replacement

Fix the timing chain with the sprocket on the engine

Cummins ISF2.8 timing chain replacement

We unscrew the two bolts securing the timing drive housing to the flywheel housing

Cummins ISF2.8 timing chain replacement

Location of bolts for fastening the crankcase of the gas distribution mechanism

Remove the clutch housing

Cummins ISF2.8 timing chain replacement

Removing the flywheel engine flywheel Cummins ISF2.8

Cummins ISF2.8 timing chain replacement

We unscrew ten bolts securing the flywheel housing to the cylinder block.

Cummins ISF2.8 timing chain replacement

The flywheel housing bolts vary in diameter and length, you need to remember their location.

Cummins ISF2.8 timing chain replacement

The flywheel housing weighs 23 kg, so you need to remove it with an assistant.

Using a mallet or a rubber mallet, we move the crankcase from place and remove it together with the starter.

Cummins ISF2.8 timing chain replacement

We unscrew the bolts of the shoe "A" of the tensioner and the damper "B"

Cummins ISF2.8 timing chain replacement

We remove the bolts and remove the shoe and damper.

Cummins ISF2.8 timing chain replacement

We inspect the shoe "A" of the tensioner and the damper "B", if there is heavy wear, then we replace them

Cummins ISF2.8 timing chain replacement

Remove the camshaft sprocket from the chain

Having removed the chain from the intermediate gear sprocket, remove it from the engine

Install the chain and all parts in reverse order

Before installing the flywheel housing, make sure that the two mounting sleeves remain in place.

Cummins ISF2.8 timing chain replacement

We apply a heat-resistant sealant to the mating surface of the flywheel housing to the cylinder block.

Flywheel housing bolt tightening sequence

We tighten the bolts in the sequence shown in the figure.

We tighten the M8 bolts with a torque of 24 Nm, and the M12 bolts with a torque of 85Nm.

Checking the correct valve timing.

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