Timing Chain: Service and Repair

Chain Sprocket

Special tools, testers and auxiliary items required

• Press tube (30 - 100)

• Thrust piece (40 - 105)

• Two-arm puller, commercially available

• Protective gloves

Removing

- Remove oil pan with oil pump. Refer to => [ Oil Pan ] Oil Pan.

- Remove front sealing flange. Refer to => [ Front Sealing Flange ] Service and Repair.

- Pull off crankshaft chain sprocket with claw puller - 2 - e.g. Kukko 44-1, while protecting end of crankshaft with thrust piece (40 - 105).





Installing

Installation is in reverse order of removal, note the following:

CAUTION!
Wear protective gloves!

- Heat up chain sprocket in an oven for approx. 15 minutes at 220°C.

• Installed location: Wider shoulder of chain sprocket faces toward engine.

- Using pliers, install chain sprocket on crankshaft end and slide onto crankshaft to stop using press tube (30 - 100).





- Install oil pan with oil pump. Refer to => [ Oil Pan ] Oil Pan.