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9-8
1977
P O N T I A C SERVICE M A N U A L
UPPER SPEEDO SHAFT
ASM. TO INSIDE OF CAR
INTAKE MANIFOLD
\
VACUUM FITTING
ROUTE UPPER SPEED0 SHAFT ASM.
/
LOWER SPEED0 SHAFT ASM.
BETWEEN DASH & TRANS. SHIFT ROD
TO TRANS.
~
[
S
T
E
E
L
TUBE
MUST NOT CONTACT
PLASTIC FITTING AT
W.O.T. IF THEY DO CON-
TACT, DISCONNECT CABLE
AT CARB. LEVER AND
REPEAT ADJUSTMENT
PROCEDURE.
ACTUATOR CABLE ADJUSTMENT PROCEDURE
MAN1
1. SET
CARBURETOR CHOKE TO "HOT
IDLE"
SEE ADJUSTMENT PROCEDURE
FOR PROPER HOLE
CARB.
LEVER
-
CABLE TO CARB. LEVER
,THROTTLE BRACKET
I
FOLD
CABLE
POSITION.
2. WlTH CABLE CONNECTED TO VACUUM SERVO.
CABLE TO THROTTLE BRACKET
PULL CARBURETOR END OF CABLE (STEEL
TUBE) FORWARD AS FAR AS I T WILL GO.
3. IF ONE OF THE FIVE CROSS-HOLES IN THE STEEL
SHAFT
TUBE THEN LINES UP WlTH THE CARBURETOR
LEVER PIN,
CONNECT TUBE TO PIN WlTH
WASHER AND COTTER PIN AS SHOWN BELOW.
4. IF A CROSS-HOLE DOES NOT LINE UP WlTH THE
PIN, MOVE THE STEEL TUBE REARWARD UNTIL
THE NEXT CLOSEST CROSS-HOLE LINES UP AND
CONNECT TO THE PIN.
CAUTION
DO NOT STRETCH CABLE SO AS TO MAKE A
PARTICULAR CROSS-HOLE CONNECT TO THE PIN.
THIS
WILL
PREVENT
THE
ENGINE
FROM
VIEW A
RETURNING TO IDLE.
4056
I
1
Fig. 9-6 Cruise Control Regulator and Servo Mounting-"P" and
"2"
v-8's, A, B and G Series
or the wiring harness. The connecter may be removed
indicates replacement of the regulator assembly. The main
by prying carefully with a small screwdriver. Be sure
harness wiring from point F to G (white wire) should also
not to short the terminals together.
be checked for continuity.
4. Measuring the solenoid coil circuit resistance between
SERVO AND VACUUM SYSTEM TEST
point E (Hold Terminal) and ground, the ideal resistance
T o determine the condition of the diaphragm, remove
should be between 5 and 6 ohms. A higher reading indicates
hose from the servo unit and apply 14 inches of vacuum to
excessive resistance in the coil circuit. Either extremity
the tube opening and hold in for one minute. The vacuum
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