G37x Sedan AWD V6-3.7L (VQ37VHR) (2010)
Camshaft: Service and Repair
Disassembly and Assembly
CAMSHAFT
Disassembly and Assembly
DISASSEMBLY
CAUTION:
Never loosen adjusting bolts (A) and mounting bolts (black color) (B) of VVEL ladder assembly. If loosened, the stroke of cam lift becomes
out of adjustment. In such case, replacement of VVEL ladder assembly and cylinder head assembly is required.
NOTE:
VVEL ladder assembly cannot be replaced as a single part, because it is machined together with cylinder head assembly.
1. Remove rocker covers (bank 1 and bank 2). Refer to See: Powertrain Management/Ignition System/Ignition Coil/Service and Repair/Exploded
View.
2. Remove VVEL actuator sub assembly as follows:
CAUTION:
VVEL actuator sub assembly and VVEL control shaft position sensor are nonreusable. Never remove them unless they are required.
a. Remove VVEL control shaft position sensor.
b. Turn control shaft to the large lift side and fix it in order to prevent the interference of the stopper surface.
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If control shaft cannot be moved, set crankshaft in position referring to the information below. (To displace cam nose)
Bank 1 : Turn 120 degrees from no.1 cylinder at TDC
Bank 2 : No.1 cylinder at TDC