Pontiac tempest 1968 Service Manual page 507

7F-6
1968 P O N T I A C SERVICE MANUAL
STARTER N E U T R A L I Z E R
S W I T C H I N S T A L L A T I O N
1. P O S I T I O N G E A R S H I F T L E V E R I N
D R I V E P O S I T I O N ( S E E V I E W A j
2. I N S E R T S W I T C H " D R I V E T A N G "
IN SHIFTER TUBE S L O T A N D
A S S E M B L Y S W I T C H T O S T E E R I N G
C O L U M N J A C K E T .
3. INSERT A D J U S T I N G G A G E IN
S W I T C H . M O V E G E A R S E L E C T O R
T O ' P A R K " P O S I T I O N A N D
R E M O V E A D J U S T I N G G A G E .
S T E E R I N G C O L U M N
NEUTRALIZER
S W I T C H
L U B R I C A T E A R E A S INDICATED
WITH C H A S S I S L U B R I C A N T
T R A N S M I S S I O N
C A S E B O S S
S W I V E L C L A M P
F i g . 7 F - 5 Tempest Column Shift Linkage
CA UTION: Do not support or hammer on rear of
governor,
4. Through existing hole in governor sleeve, drill
a 1/8" hole half-way through from each end.
NOTE: It is important that hole for roll pin be
drilled straight as possible to insure proper re-
tension and installation of roll pin and gear. This
can be best accomplished by above method.
5. Support end of governor sleeve (not gear) on a
wood block. Install new roll pin; then using small
chisel, stake pin in place at both ends of pin to pre­
vent pin from becoming loose (Fig. 7F-12).
6. Check for burrs on sleeve and to assure valve
is free in bore. Any burrs left on governor sleeve
will damage case.
INSTALLATION
1. Insert governor into case bore with slight coun­
terclockwise twist to engage gear teeth.
2. Using new gasket, install cover and retain with
three bolts. Tighten bolts to 10 lb. ft. torque.
VACUUM MODULATOR (Fig. 7F-14)
Do not replace vacuum modulator before making
the pressure check described in TROUBLE DIAG­
NOSIS at the end of Section 7 F .
NOTE: Vacuum modulator is not adjustable.
REMOVAL
1. Remove vacuum hose at vacuum modulator.
2. Remove vacuum modulator retainer bolt and re­
tainer.
3. Pull vacuum modulator (Fig. 7F-15) and valve
assembly (Fig. 7F-16) out of case bore.
NOTE: To remove front modulator valve, it may
be necessary to use a magnet or "retriever 11 .