Q45 V8-4.5L (VK45DE) (2002)
6. By referring to the figure, measure valve clearances at locations marked X as shown in the table (locations indicated with black arrow in figure)
with a thickness gauge.
NOTE: Firing order 1-8-7-3-6-5-4-2
No. 1 cylinder compression TDC
Use a fine thickness gauge.
VALVE CLEARANCE STANDARD
HOT
Intake:...............0.32 - 0.40 mm (0.013 - 0.016 inch)
Exhaust:.............0.33 - 0.41 mm (0.013 - 0.016 inch)
COLD *
Intake:...............0.26 - 0.34 mm (0.010 - 0.013 inch)
Exhaust:.............0.29 - 0.37 mm (0.011 - 0.015 inch)
CAUTION: If inspection was carried out with cold engine, check that values with fully warmed up engine are still within specifications.
7. Turn crankshaft pulley clockwise by 270° from the position of No. 1 cylinder compression TDC to obtain No. 3 cylinder compression TDC.