Q45 V8-4.5L (VK45DE) (2002)
Valve Clearance: Testing and Inspection
INSPECTION
Perform inspection as follows after removal, installation or replacement of camshaft or valve-related parts, or if there is unusual engine conditions due to
changes in valve clearance over time (starting, idling, and/or noise).
1. Warm up engine. Then, stop it.
2. Remove engine cover, engine room covers (RH and LH) with power tool and air duct (inlet).
3. Remove RH and LH rocker covers with power tool.
4. Turn crankshaft pulley in normal direction (clockwise when viewed from FRONT) to align TDC identification notch (without paint mark) with
timing indicator.
5. At this time, check that the both intake and exhaust cam noses of No. 1 cylinder (top front on left bank) face outside.
-
If they do not face outside, turn crankshaft pulley once more.