4-16 Chapter 4 Fuel and exhaust systems
12.3~ Carefully lift the solenoid away
from the carburetor
12.5a Pry the spring clip off the
sub-EGR valve linkage pin
12.4a Remove the idle mixture screw
12.5b Sub-EGR linkage pin
12.5d Remove the accelerator pump
from the carburetor body
12.!% Accelerator pump components 12.6a Remove the ASV housing screws
6 Remove the four screws holding the ASV housing in place
(see iiius-
illustration).
tration)
and lift off the housing. Remove the spring, the spring cap, the
springguideandthediaphragm. Laythepartsoutonacleansurfaceinthe
order of disassembly
(see illustration).
7 Remove the screw attaching the ASV body to the carburetor (see
ii-
lustration)
and carefully lift
off
the ASV body
(see illustration).
10 To disassemble the vent valve, remove the spring clip, thewasher, the
valve seal from the end of the plunger. Slip the O-ring off the body. The
diaphragm and plunger (one piece) can now be withdrawn from the valve
body. Lay the parts out on a clean surface in the order of disassembly (see
12.4b idle mixture screw, spring,
washer and rubber seal
_: _
12.5~ Unsnap the accelerator pump
linkage from the throttle shaft arm
11 Remove the enrichment system diaphragm housing. It is held in place
by three screws. Remove the gasket, separate the two halves of theous:
ing, and lift out the spring and the diaphragm
(see illustration).
12 Remove the CAV housing. It is held in place by three screws (see
ii-
lustration).
Lift out the spring guide, the springs, the spring cap and the
diaphragm. Lay the parts out on a clean surface in the order of disassem-
bly
(see illustration).
Remove the three screws holding the choke un-
loader diaphragm plate to the carburetor body
(see illustration).
Lift off
the plate and remove the spring
(see illustration).
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