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Buick 40 Series 1948 Shop Manual page 92

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(
91)
ENGIN
E
FUEL AND EXHAUST SYSTEMS
ADJUSTMENTS-REPLACEMENTS
3-17
FRONT
In production, a special compound is used at
joints between manifold and cylinder head, and
original manifold may be reinstalled without
using additional compound. When a new
mani-
fold is installed, however, coat the joint
sur-
faces with a thin fluid mixture of graphite and
oil.
5. Uniformly tighten all stud nuts which
attach manifolds to cylinder head, then tighten
stud nuts which attach valve body to exhaust
manifold and finally, tighten bolts which attach
intake manifold to valve body.
3
-1
5 REPLACEMENT
OF
GASOLINE
TANK OR FILLER
When removing gasoline tank, disconnect
gasoline feed pipe from gasoline gauge pipe,
support the tank while disconnecting support
straps at rear ends, then lower tank far enough
to disconnect the wire from gasoline gauge.
SOlDER
SECU
RELY
CORNERS OF BRACE
-7\:~+t-~_ 1I 11
MUST BE
SOlDER:ED~~~~tt~r\
1-1/16
11
13
\,,\,
[
4 Va
: :
;:
=-
-'
-
--,
f - l - - - \
LOWER
BRA~
-;C;;;;E + --:N'*-"*f-"'r~
1
SOlDER SECUREL Y
Va MIN.
SOLDER
SECURELY
- CORNER OF BRACE
FRONT
MUST BE
SOlDERED
BOTH ENDS
A
B
MODELS
26
1
Yl6
201,4
ALL
EXCEPT ESTATE W
AG O NS
2
B%
'
2
2~6
ESTATE
WAG ONS
Figure
3-23-loca tion
Dimen sion s
fo
r Gasoline
Tan
k Filler -All
194 8 Mod
els
When installing gasoline tank by reversing
procedure for removal, make sure that all road
dirt is cleaned from gasoline gauge and wire
terminal; also make sure that wire is securely
attached to gauge and .that insulation is folded
over the terminal and snapped over the
wire.
An accumulation of road dirt around the gauge
terminal may permit an electrical leak that will
affect the accuracy of the gauge. Insulating
strips must be located between the tank and the
upper supports on body.
The gasoline tank filler and the vent pipe are
furnished
separately
so that they may be re-
placed if damaged. After unsoldering the old
parts, the new filler and vent pipe should be in-
stalled in gasoline tank in accordance with the
dimensions given in figure 3-23 for 1948 models
or figure
3-24
for 1949
models.
Joints must be
thoroughly sold
ered
and should be tested for
leaks with gasoline before installing gasoline
tank.
SOlDER SECURELY
CORNERS OF BRACE
MUST BE SOLDERED
1---
-
27
1
%2
-
-
-
-
-
-
4Yl6 MAX.
I - i
--
--!'-.,..,
LO W ER· BRACE
SOlDER
SECURELY
v.
MIN.
SOlDER SECURELY
CORNER OF BRACE
MUST BE SOLDER
ED
BOTH ENDS
Figu re
3-
2 4-location Dimen sion s
fo
r Gaso
line
Tank Filler-
19 49
Seri es
50- 7 0

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