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Home >> GMC >> 1990 >> Forward Control 4.3 Z, Automatic, 400/M40 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Diesel) >> Fuel Injection Lines >> Installation
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Fuel Injection Lines: Installation

Remove caps and install injection lines. Ensure lines are properly positioned. See Fig 1. Reverse removal procedure to complete installation. Start engine and check for leaks.

Fig 1: Diesel Fuel Injection Line Routing
G90J15726Courtesy of GENERAL MOTORS CORP.