Chevrolet 10 Series 1968, Service Manual

Page: 529 / 713

FUEL TANK AND EXHAUST SYSTEMS 8-4
Chevy Van (Fig. 6)
Rem oval and Installation
1. Drain fuel tank.
2. Raise and support vehicle.
3. Disconnect fuel pickup line and gauge wire from tank
unit.
4. Unclamp fille r neck and vent tube hoses and discon­
nect hoses at tank.
5. Remove tank support straps, disconnect sending unit
wire and lower tank carefully.
6 . To install, reverse the removal procedure.
FILLER NECK ASSEM BLY-CH EVY VAN
Rem oval (Fig. 6)
1. Remove screws securing upper filler neck flange to
body panel.
2. Raise and support vehicle.
3. Loosen the screw clamps securing the filler neck and
F ig . 5 —Frame Mounted Tanks
vent hoses to the filler neck and the fuel tank.
4. Disconnect the filler neck and vent hoses from the
fuel tank and fille r neck assemblies. Remove the
fille r neck from the vehicle.
Installation
1. Position the filler neck to the body panel and connect
the fille r neck and vent hoses to the filler neck and
tank assemblies.
2. Tighten the screw clamps securing the hoses to the
filler neck and tank assemblies.
3. Lower the vehicle and install the screws securing
the upper fille r neck flange to the body panel.
4. Check alignment of the filler neck hose through the
frame rail opening and check all hose connections
for leaks.
FUEL LINE SERVICE
The fuel lines should be inspected occasionally for
leaks, kinks or dents. If evidence of dirt is found in the
carburetor, fuel pump or on a disassembly, the lines
should be disconnected and blown out. Check the fuel
strainer in the tank for damage or omission.
A ll fuel lines are 5/16" diameter tubing except: L
-6
and 307 cu. in. engines equipped with an optional frame
SS-SE 40-50-60
CHEVROLET TRUCK SERVICE MANUAL