ments.
Refer
to
Section
III
and
level with the recommended grade
o f oil.
6. Perform a complete engine tune-up as
outlined in Section 11H. However, if on-
ly one injector has been removed and re-
placed and the other injectors and the
turbed, it will only be necessary to
adjust the valve clearance and time the
injector for the one cylinder, and to po-
sition the injector rack control lever.
FUEL INJECTOR TUBE
Description
The bore in the cylinder head for the fu-
el injector is directly through the cylin-
der
head
water
jacket
as
shown
in
vent coolant from contacting the injector
and still maintain maximum cooling of the
injector, a tube is pressed into the injec-
tor bore. this tube is sealed at the top
with a neoprene ring and upset into a
Figure 11C-41. Checking Injector Tip
flare on the lower side of the cylinder
Concentricity
head to create water-tight and gas-tight
j o i n t s at the top and bottom.
NOTE
NOTE
An indication of fuel leakage at the
fittings of the fuel Injector supply
D o not use methoxy propanol based
lines and connector nut seals could
antifreeze in the cooling system of
the engine.
sure (dilution) or fuel odor coming
open oil filler cap. When any of
the above are detected, remove the
R e p a i r Leaking Injector tube
valve rocker cover. A close in-
spection of the rocker cover,
To enable the repair of a leaking fuel in-
cylinder head, fuel lines and con-
jector hole tube at the seal ring, without
nectors will usually show if there
removing the cylinder head from the cyl-
is a fuel leakage problem. Under
inder block, a new injector hole tube
normal conditions, there should oil
s w a g i n g tool J 28611 is now available.
a coating lubricating oil.
throughout the cylinder head area
Before removing the fuel injector, pres-
and puddles of oil where the fuel
surize the cooling system at the radiator
pipes contact the connectors and
to verify the injector seal ring leak.
where the fuel connectors contact
Then with the fuel injector removed, in-
the cylinder head. If these areas
sert the swaging tool into the fuel injec-
do not have the normal coating of
tor hole tube. The tool is tapered and
lubricating oil, it is likely that fuel
flanged to prevent damage to the cylin-
is leaking and washing off the lu-
der head or injector tube. Hit the top of
bricating oil. Remove and replace
the tool moderately with a one pound
the leaking fuel pipes and/or con-
hammer two or three blows seating the
nectars. Reinstall the rocker
tool. This will cause the top edge of the
cover. Then drain the lubricating
injector hole tube to expand, thus in-
oil and change the oil filter ele-