F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
15. Install the nut.
16. Connect the fuel hose spring lock couplings.
17. Install the exhaust manifold to EGR valve tube.
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Hand-tighten the fittings.
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Tighten the upper fitting.
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Tighten the lower fitting.
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Connect the two differential pressure feedback EGR system hoses.
18. Connect the brake booster vacuum tube, position the bracket and install the bolt.
