Valve leak check

/ 9-3 (9400) / 2003 / 2. Engine / Basic engine, 4-cylinder diesel / Adjustment/replacement / Valve leak check

To remove

1.	Remove the Cylinder head

2.	Clean the combustion chamber and valve seats. Use a rotating wire brush for example. Wash the cylinder head.

3.	Refit the intake valves and fit new exhaust valves. Fill the intake and exhaust chambers with methanol. Do not spill.

4.	Check all the valves for leaks. The fluid may dampen but not run. If no leaks are detected, fit the Cylinder head.

5.	If the valves leak, clean and machine the valve seats then grind with paste. Refer to Valve seats, machining and grinding .

---

---

This project is supported by memberships and donations. If you use this site, please consider Joining SCNA and/or making a donation.