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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Engine Controls - Remove/Install/Overhaul - 5.9L Diesel) >> Fuel System >> Fuel Heater >> Removal & Installation

Removal & Installation

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cables. Remove starter. Disconnect electrical connector at fuel heater. Fuel heater is located below fuel filter/water separator. See Figure.
  2. Unscrew prefilter from fuel heater. Prefilter is located on bottom of fuel heater and contains a hex area which can be used for removal and installation of prefilter. Remove fuel heater from housing. To install, reverse removal procedure.