LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2001 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L (L65) (Introduction) >> Repair Instructions >> Fuel Heater Element Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

    Fig 1: Fuel Heater & Filter Housing
    GM55494Courtesy of GENERAL MOTORS CORP.
  1. Install the cap seal into filter housing.
    2. Fig 2: Installing Fuel Heater
    GM73422Courtesy of GENERAL MOTORS CORP.
  2. Install the fuel heater.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the threaded cap nut.

    Tighten:  Tighten the cap nut securely by hand.

    4. Fig 3: Fuel Manager/Filter
    GM55514Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel manager/filter. Refer to Fuel Filter/Heater Element Housing Replacement .
    5. Fig 4: Fuel Manager/Filter, Intake Manifold & Bolts
    GM55513Courtesy of GENERAL MOTORS CORP.
  5. Install the mounting bolts that connect the fuel manager/filter to the intake manifold.

    Tighten:  Tighten the mounting bolts to 25 N.m (18 lb ft).

    6. Fig 5: Opening Air Bleed Valve On Top Of Fuel Manager/Filter
    GM55498Courtesy of GENERAL MOTORS CORP.
  6. Open the air bleed valve on top of the fuel manager/filter to bleed air from fuel supply system. Refer to Fuel Feed and Fuel Return Pipe Purge Procedure .
    7. Fig 6: Upper Intake Manifold Cover
    GM55489Courtesy of GENERAL MOTORS CORP.
  7. Install the upper intake manifold cover.
scientia non olet · About LEMON Manuals