LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1994 >> Forward Control 7.4 N >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Diesel) >> Injection Pump >> Removal ("G" Series)

Removal ("G" Series)

  1. Disconnect negative battery cables. Remove engine cover and intake manifold. Remove air cleaner inlet hose. Remove hood latch. Disconnect cable and move aside.
  2. Disconnect rubber hose from oil fill tube. Disconnect oil fill tube attaching nuts, and remove oil fill tube. Remove oil fill tube grommet.
  3. Rotate engine as necessary and remove pump drive gear bolts. Remove fuel manager/filter and bracket, including line to injection pump. Disconnect wire looms from injection lines, and injection lines at brackets.
  4. Disconnect oil pan dipstick tube from left cylinder head. Disconnect electrical connections at injection pump.
  5. Remove injection lines. Tag lines for reassembly reference. Cap all openings. Disconnect fuel return line. Scribe or paint mark on front cover and pump flange. Remove injection pump mount nuts. Remove injection pump. See Figure. Cap all openings.
scientia non olet · About LEMON Manuals