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GMC
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1984
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Forward Control 6.2 J, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Fuel Injection System - 6.2L Diesel
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Removal & Installation
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Injection Nozzles
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Installation
Injection Nozzles: Installation
Use new compression seal and install nozzle. Tighten nozzle with injector tool.
Install fuel injection line. Install fuel return line. Start engine and check for leaks.
Fig 1: Vacuum Regulator Valve Adjustment Valve must be set while rotating valve body in clockwise direction only.