Clutch, Manual Transmissions; Clutch Pedal Adjustment; Clutch Usage - Pontiac Grand Prix Service Manual

CLUTCH, M A N U A L TRANSMISSIONS
CONTENTS O F THIS SECTION
SUBJECT PAGE SUBJECT PAGE
. . . . . . . . . . . . . .
General Description.
7- 1
C l u t c h . .
. . . . . . . . . . . . . . . . . . .
7-2
. . . . . . . . . . . . . . . .
Periodic Service
7- 1
Flywheel or Clutch Pilot Bearing
. . . . . .
7-5
. . . . . . . . . . . . . . . . . .
Lubrication
7- 1
Starter Ring Gear.
. . . . . . . . . . . . . .
7-6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch Pedal Adjustment
7- 1
Specifications
7 - 6
. . . . . . . . . . . . . .
Service and Repairs
7
-
2
C l u t c h . .
. . . . . . . . . . . . . . . . . . .
7-6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch Control Linkage.
7-2
Torque.
7-6
GENERAL DESCRIPTION
engine oil. Use light grease at push rod to clutch fork
pin joint and chassis grease at high pressure lubrica-
Several clutches are being used, depending on the
tion fitting. The ball type release bearing is lubricated
engine option. The clutches differ i n diaphragm spring
and sealed for life and requires no lubrication.
design, damper spring calibration and driven disc
diameter. Clutch usages are shown in Fig. 7-1.
CLUTCH PEDAL ADJUSTMENT (Figs. 7-2.7-3,7-4)
A clutch safety switch is
standard on all models with
Wear on the clutch parts necessitates occasional lash
manual transmission. Designed to prevent cranking
adjustment. No other adjustment is made. Lash
-in ged', this switch will not permit the starter to
adjustment should be made as follows:
operate unless the clutch pedal is depressed far enough
to completely disengage the clutch.
1. Remove the return spring.
While the steering column lock requires that manual
transmission be in "Reverse" gear before removing
the ignition key, the clutch safety switch prevents
engine cranking
"in
gear" when the steering column is
unlocked while starting.
PERIODIC SERVICE
LUBRICATION
Every 6,000 miles, lubricate all pivot points with
2. With clutch pedal against stop, loosen jam nut
sufiiciently to allow the clutch fork push rod to be
turned out of swivel and rearward against the clutch
fork until the release bearing contacts pressure plate
fingers lightly.
3. Rotate clutch fork push rod into swivel 3
1/2 turns
and tighten jam nut to 30 lb. ft. torque.
4. Reinstall spring. Approximately 1" of lash should be
at the pedal.
Fig. 7-1 Clutch Usage
Pontiac
400 cu. in. 2 Bbl.
400 cu. in. 4 Bbl.
428 cu. in. All
Tempest and Firebird
6
cyl. 1 Bbl.
6 cyl. 4 Bbl.
350 cu. in. 2 Bbl.
350.c~. in. H.O.
400 cu. in. All
Grand Prix
400 cu. in. 4 Bbl.
428 cu. in. All
DIAPHRAGM SPRING
DESIGN
Flat Finger
Bent Finger
Bent Finger
Flat Finger
Bent Finger
Flat Finger
Bent Finger
Bent Finger
Bent Finger
Bent Finger
DRIVEN DISC
DIAMETER
10.4"
11.0"
1 1 .Ow
10.0"
10.4"
10.4"
10.4"
10.4"
10.4"
1 1
.Ow
NUMBER AND COLOR
OF DAMPER SPRINGS
6
red springs.
(5 yellow inner and
15 plain outer springs.
15 aluminum inner and
15 pink outer springs.
6
orange springs.
5 dark gray springs.
6
red springs.
6 red springs.
(5 yellow inner and
15 black outer springs.
15 yellow inner and
\5 black outer springs.
(5 aluminum inner and
\5 pink outer springs.