Attention! To remove the upper chain guide, you must use an inertia hammer with an adapter.
The location of the fastening brackets connecting the outer and inner parts of the chain guide
1 – crankshaft; 2 – pulley; 3 – drive chain; 4 – high pressure fuel pump sprocket; 5 – high pressure fuel pump; 6 – camshaft sprocket; 7 – camshaft; 8 – tension mechanism shoe; 9 – tension mechanism; 10 – chain tensioners; 11 – valves; 12 – hydraulic pusher; 13 – spring; 14 – spring support plate; 15 – crackers
Tensioner shoe
Removal
1. Remove the cylinder head.
2. Remove the drive chain cover.
3. Unscrew the drive chain tensioner mechanism.
4. Remove the tensioner shoe.
Examination
1. Check the tensioner shoe for wear or damage and replace it if necessary.
Installation
1. Install the tensioner shoe.
2. Screw in the drive chain tensioner.
3. Install the drive chain cover.
4. Install the cylinder head.
Upper chain guide
Removal
Upper chain guide elements
1 – Upper mounting pin;
2 – lower mounting pin;
3 – upper drive chain guide
Using an inertia hammer with an adapter to remove the upper chain guide mounting pin
1. Remove the camshaft sprocket.
2. Screw an additional bolt into one of the upper chain guide mounting pins and, using an inertia hammer with an adapter, remove the chain guide mounting pin by the head of the additional bolt (see Fig. Upper chain guide components, Using an inertia hammer with an adapter to remove the upper chain guide mounting pin).
3. Remove the second locating pin in the same manner.
4. Remove the upper chain guide from the cylinder head.
Examination
1. Check the tensioner shoe for wear or damage and replace it if necessary.
Installation
1. Install the upper chain guide into the cylinder head and insert the dowel pins halfway.
2. Apply a thin layer of sealant to the raised surface of the dowel pins and press the dowel pins into the cylinder head completely.
3. Install the camshaft sprocket.
Lower chain guide
Removal
1. Remove the drive chain cover.
2. Unscrew the drive chain tensioner mechanism.
3. Remove the lower chain guide from the pivot pin.
Examination
1. Check the condition of the lower chain guide for wear and damage and replace it if necessary.
Installation
1. Install the lower drive chain guide onto the pivot pin.
2. Screw in the drive chain tensioner.
3. Install the drive chain cover.