| Valve | Standard Clearance (Cold) | |-------|---------------------------| | Intake | 0.15 – 0.25 mm | | Exhaust | 0.25 – 0.35 mm |
If you are performing an overhaul, detailed diagrams and diagnostic steps are available in the Toyota 1SZ-FE Engine Repair Manual or the 1SZ-FE Workshop Supplement which covers the SCP10 series Yaris. Toyota SZ series engines 1szfe engine manual top
: Apply a small bead of liquid sealer (three-bond or equivalent) at the intersection points where the cylinder head meets the timing chain cover before laying down the valve cover gasket. 1szfe engine manual top
Regular oil changes (every 5,000–7,500 miles) are crucial to keep the VVT-i system clean and functional. B. Timing Chain Service 1szfe engine manual top