Q45 V8-4494cc 4.5L DOHC (VH45) (1992)
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b) Connect injector tube assemblies (including fuel injectors) to intake manifolds, and lightly tighten mounting bolts.
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Be careful not to let rubber washer fall into Intake manifold.
Intake Collector
c) Install intake collector and lightly tighten mounting bolts.
c) Tighten intake manifolds mounting bolts at cylinder head.
e) Remove intake collectors.
f) Tighten intake manifolds to 16-21 Nm (1.6 - 2.1 kg/m, 12-15 ft/lbs).
g) Tighten sub-fuel tubes in numerical order.
Tightening procedure:
1) Tighten all bolts to 4.2 to 5.9 Nm (0.43 to 0.60 kg/m, 3.1 to 4.3 ft/lb).
2) Tighten all bolts to 8.4 to 10.8 Nm (0.86 to 1.1 kg/m, 6.2 to 8.0 ft/lb).