Rail, Fuel: Installation

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If removed, install the six fuel injectors to the fuel rail with new O-ring seals. Refer to INJECTOR(S), FUEL, INSTALLATION .

Fig 1: Fuel Rail Tightening/Loosening Sequence
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Clean out the fuel injector bores in the lower intake manifold.
Apply a small amount of engine oil to each fuel injector O-ring. This will help in fuel rail installation.
Install the fuel rail (1) to the lower intake manifold with four bolts tightened in the sequence shown to 7 N.m (62 in. lbs.).

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Connect the fuel injector electrical connectors (1).
Connect the fuel supply hose to the fuel rail (2). Refer to QUICK-CONNECT FITTINGS .

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Install the insulator (2) to the two alignment posts (3) on top of the LH cylinder head cover.

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Fig 2: Upper Intake Manifold Tightening/Loosening Sequence
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Install the upper intake manifold (1), support brackets and air cleaner body Refer to MANIFOLD, INTAKE, INSTALLATION .
Connect the negative battery cable and tighten nut to 5 N.m (45 in. lbs.).
Start the engine and check for leaks.