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ENGINE FUEL 6 M - 5
3. Disconnect choke rod or choke cable.
4. Disconnect accelerator linkage.
5. If equipped with Automatic transmission, discon-
nect TV linkage.
6. Remove carburetor attaching nuts and/or bolts and
remove carburetor.
Test Before Installation
-
It is good shop practice to fill the carburetor bowl
before installing the carburetor. This reduces the strain
on the starting motor and battery and reduces the pos-
sibility of backfiring while attempting to start the engine.
A fuel pump clamped to the bench, a small supply of fuel
and the necessary fittings enable the carburetor to be
filled
1
and the operation of the float and'intake needle and
seat to be checked. Operate the throttle several times
and check the discharge from the pump jets before in-
stalling the carburetor.
Installation
1. Be certain throttle body and intake manifold sealing
surfaces are clean.
2. Install new carburetor to manifold flange gasket (if
required).
3. Install carburetor over manifold studs.
4. Start vacuum and fuel lines at carburetor.
5. Install attaching nuts and/or bolts and tighten
securely.
6. Tighten fuel and vacuum lines.
7. Connect and adjust accelerator and TV linkage.
8. Connect choke tube or choke rod.
9. Adjust idle speed and mixture, then install air
cleaner.
#
Fuel Filter Maintenance
1. Disconnect fuel line connection at inlet fuel filter
nut.
2. Remove inlet fuel filter nut from carburetor with a
1" box wrench or socket.
3. Remove filter element and spring (fig. 4c).
Fig. 5C-Choke Coil-L6 Engine
4.
Fig. 4C-Fuel Filter
Check element for restriction by blowing on cone
end, element should allow air to pass freely.
5. Clean element by washing in solvent and blowing out.
Blow in opposite direction of fuel flow.
NOTE:
Element should be replaced if plugged
or if flooding ocpurs.
A plugged filter will
result in a loss of engine power or rough (pul-
sating) engine feel, especially at high engine
speeds.
6. Install element spring, then install element in car-
buretor so small section of cone faces out.
7. Install new gasket on inlet fitting nut then install
nut in carburetor and tighten securely.
8. Install fuel line and tighten connector.
Choke Coil Replacement
L6 Engines (Fig. 5c)
1. Remove air cleaner then disconnect choke rod upper
clip.
2. Remove bolts attaching choke coil to manifold, then
remove choke coil and choke rod as an assembly.
3. Disconnect choke rod from choke coil.
4. Connect choke rod to new choke coil and install a s -
sembly on manifold.
5. Install bolts and tighten securely.
6. Adjust and connect choke rod as outlined.
7. Start and warm-up the engine then check operation
of choke and install air cleaner.
V8 Engines (Fig. 6c)
1. Remove air cleaner then disconnect choke rod upper
clip.
2. Remove choke coil as follows:
WITH ROCHESTER 2GV CARBURETOR
• Remove the choke coil shield by prying with a
screw driver in the cut out provided then r e -
move the choke rod.
CHEVROLET CHASSIS SERVICE MANUAL
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