1967 CHEVROLET CAMARO clutch

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Page 398 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-39

LINKAGE ADJUSTMENT

1.
Set lever (D) & control lever (E) in "Drive" detent.

2.
Apply Forward load (Y) on lever (G) to Fully

seat lever (E) in "Drive".

3. Place a %

Page 399 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-40

pipes.
If
care
is
taken
in
removing control valve

body
the six (6)
check balls will stay
in
place above

the spacer plate.

CAUTION:
Do not
drop manual val

CLUTCH AND TRANSMISSIONS 7-40

pipes.
If
care
is
taken
in
removing control valve

body
the six (6)
check balls will stay
in
place above

the spacer plate.

CAUTION:
Do not
drop manual valve.

5. Remove
the
governor pipes
and
manual valve from

control valve body.

Installation

Installation
of the
control valve body
is the
reverse
of

the removal.

GOVERNOR

Removal
.

1.
Remove governor cover attaching screws, cover,
and

gasket.

2.
Discard gasket.

3.
Withdraw governor assembly from case.

Installation

Installation
of the
governor assembly
is the
reverse
of

the removal.
Use a new
gasket under
the
governor

cover.

MODULATOR AND MODULATOR VALVE

Removal

1.
Remove modulator assembly attaching screw
and

retainer.

2.
Remove modulator assembly from case. Discard

"O"
ring seal.

3.
Remove modulator valve from case.

Installation

Installation
of the
modulator assembly
and
modulator

valve
is the
reverse
of the
removal.
Use a new
"O" ring

seal
on the
modulator assembly.
PARKING LINKAGE

Removal

1.
Remove bottom
pan and oil
strainer.

2.
Unthread
jam nut
holding detent lever
to
manual

shaft.

3.
Remove manual shaft retaining
pin
from case.

4.
Remove manual shaft
and jam nut
from case.

NOTE:
DO NOT
remove manual shaft seal
un-

less replacement
is
required.

5. Remove parking actuator
rod and
detent lever
as-

sembly.

6. Remove parking pawl bracket attaching screws
and

bracket.

7. Remove parking pawl return spring.

NOTE:
The
following steps should
not be com-

pleted unless part replacement
is
required.

8. Remove parking pawl shaft retainer.

9.
Remove parking pawl shaft,
cup
plug, parking pawl

shaft, and parking pawl.

Installation

Installation
of the
parking linkage
is the
reverse
of the

removal.
Use new
seal
and cup
plug,
if
removed,
and

new bottom
pan
gasket.

REAR SEAL

Removal

1.
Remove propeller shaft.

2.
Pry
seal
out
with screw driver.

Installation

1.
Using Tool J-5154
or
J-21359 install
new
seal.

2.
Re-install propeller shaft.

OTHER SERVICE WITH TRANSMISSION IN VEHICLE

The following operations when done
as
single opera-

tions
and not as
part
of a
general overhaul should,
as a

practical matter,
be
performed with
the
transmission
in

the.
vehicle. Refer
to the
"Transmission Disassembly

and Reassembly" section
of the
Overhaul Manual
for

service procedures.

a. Oil
filler pipe
and
"O"
ring seal.

b.
Oil pan
and
gasket.

c. Down shift solenoid
or
connector.
d. Valve body spacer plate, gasket
and
check balls.

e. Front accumulator piston.

f.
Rear servo
and
rear accumulator assembly.

g.
Rear band apply checking with Tool J-21370.

Ji.
Front servo assembly.

i. Speedo driven gear.

j.
Case extension
or
gasket.

k.
Strainer
and
"O"
ring.

TRANSMISSION REPLACEMENT

Before raising
the car,
disconnect
the
battery
and re-

lease
the
parking brake.

1.
Remove propeller shaft.
8.

2.
Disconnect speedometer cable, electrical lead to case
9.

connector, vacuum line
at
modulator,
and oil
cooler
10.

pipes.

3.
Disconnect shift control linkage.

4.
Support transmission with suitable transmission jack.
11.

5. Disconnect rear mount from frame crossmember.

6. Remove
two
bolts
at
each
end of
frame crossmember
12.

and remove crossmember.

7. Remove
oil
cooler lines, vacuum modulator line,
speedo cable,
and
detent solenoid connector wire
at

transmission.

Remove converter under
pan.

Remove converter
to
flywheel bolts.

Loosen exhaust pipe
to
manifold bolts approximately

1/4
inch,
and
lower transmission until jack
is
barely

supporting
it.

Remove transmission
to
engine mounting bolts
and

remove
oil
filler tube
at
transmission.

Raise transmission
to its
normal position, support

engine with jack
and
slide transmission rearward

from engine
and
lower
it
away from vehicle.

CHEVROLET CHASSIS SERVICE MANUAL

Page 400 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-41

CAUTION: Use converter holding ToolJ-5384

when lowering transmission or keep rear of

transmission lower than front so as not to lose
converter.

The installation of

CLUTCH AND TRANSMISSIONS 7-41

CAUTION: Use converter holding ToolJ-5384

when lowering transmission or keep rear of

transmission lower than front so as not to lose
converter.

The installation of the transmission is the reverse of

the removal.

TURBO HYDRA-MATIC DIAGNOSIS PROCEDURE

Accurate diagnosis of transmission problems begins

with a thorough understanding of normal transmission

operation. In particular, knowing which units are in-

volved in the various speeds or shifts so that the specific

units or circuits involved in the problem can be isolated

and investigated further. Analytical diagnosis will pro-

tect the technician from come backs and certainly will

improve owner satisfaction.

An important and often overlooked aspect of diagnosis

is finding out specifically what the customer is com-

plaining of. For this purpose a short ride with the cus-

tomer will often prove beneficial. It may be found that

the condition the customer wants corrected is standard

and should not be altered.

The following sequence, based on field experience, pro-

vides the desired information quickly and in most cases

actually corrects the malfunction without requiring the

removal of the transmission. Details of the items listed

in this sequence are covered further in the text.

SEQUENCE FOR TURBO HYDRA-MATIC

DIAGNOSIS PROCEDURE

1.
Check oil level and condition.

2.
Check and correct detent switch.

3.
Check and correct vacuum line and fittings.

4.
Check and correct manual linkage.

OIL LEVEL AND CONDITION CHECK

Always check the oil level before road testing. Oil

must be visible on dip stick prior to operating the ve-

hicle. Erratic shifting, pump noise, or other malfunc-

tions can in some cases be traced to improper oil level.

Oil level should be checked with the selector lever in

the Park (P) position, engine running, and the vehicle on

level pavement.

Fluid level should be to the FULL mark with the trans-

mission at normal operating temperature (170°-190°
F.).

With warm fluid (room temperature), the level should be

at or slightly below the ADD mark.

If oil level was low, refer to Oil Leaks.

The condition of the oil is often an indication of whether

the transmission should be removed from the vehicle, or

to make further tests. When checking oil level, a burned

smell and discoloration indicate burned clutches or bands

and the transmission will have to be removed.

MANUAL LINKAGE

Manual linkage adjustment and the associated neutral

safety switch are important from a safety standpoint

The neutral safety switch should be adjusted so that the

engine will start in the Park and Neutral positions only.

With the selector lever in the Park position, the park-

ing pawl should freely engage and prevent the vehicle

from rolling. The pointer on the indicator quadrant

should line up properly with the range indicators in all

ranges.
OIL LEAKS

Before attempting to correct an oil leak, the actual

source of the leak must be determined. In many cases,

the source of the leak can be deceiving due to "wind flow"

around the engine and transmission.

The suspected area should be wiped clean of all oil be-

fore inspecting for the source of the leak. Red dye is

used in the transmission oil at the assembly plant and

will indicate if the oil leak is from the transmission.

. The use of a "black light"* to identify the oil at the

source of leak is also helpful. Comparing the oil from

the leak to that on the engine or transmission dip stick

(when viewed by black light) will determine the source

of the leak.

Oil leaks around the engine and transmission are gen-

erally carried toward the rear of the car by the air

stream. For example, a transmission "oil filler tube to

case leak" will sometimes appear as a leak at the rear of

the transmission. In determining the source of an oil

leak it is most helpful to keep the engine running.

POSSIBLE POINTS OF OIL LEAKS

• 1. TRANSMISSION OIL PAN LEAK

a. Attaching bolts not correctly torqued.

b.
Improperly installed or damaged pan gasket.

c. Oil pan gasket mounting face not flat.

2.
REAR EXTENSION LEAK

a. Attaching bolts not correctly torqued.

b.
Rear seal assembly — damaged or improperly

installed.

c. Gasket seal — (extension to case) damaged or

improperly installed.

d. Porous casting.

3.
CASE LEAK

a. Filler pipe "O" ring seal damaged or missing;

misposition of filler pipe bracket to engine —

"loading" one side of
"O"
ring.

b.
Modulator assembly "O" ring seal
—
damaged or

improperly installed.

c. Governor cover, gasket and bolts — damaged,

loose; case face leak.

d. Speedo gear
—
"O" ring damaged.

e. Manual shaft seal — damaged, improperly in-

stalled.

f. line pressure tap plug — stripped, shy sealer

compound.

g. Parking pawl shaft cup plug
—
damaged, improp-

erly installed.

h. Vent pipe (refer to Item 5).

i. Porous case.

4.
FRONT END LEAK

a. Front seal - damaged (check converter neck for

nicks,
etc., also for pump bushing moved for-

ward);
garter spring missing from pump to con-

verter seaL

b.
Pump attaching bolts and seals
—
damaged, miss-

ing, bolts loose.

CHEVROLET a
SERVICE

Page 401 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-42

c. Converter
—•
leak in weld.

d. Pump tfO" ring seal — damaged. (Also check

pump groove and case bore.)

e. Porous casting (pump or case).

5. OIL COMES OUT V

CLUTCH AND TRANSMISSIONS 7-42

c. Converter
—•
leak in weld.

d. Pump tfO" ring seal — damaged. (Also check

pump groove and case bore.)

e. Porous casting (pump or case).

5. OIL COMES OUT VENT PIPE

a. Transmission over-filled.

b.
Water in oil.

c. Pump to case gasket mispositioned.

d. Foreign material between pump and case, or be-

tween pump cover and body.

e. Case — porous, pump face improperly machined.

f. Pump — shy of stock on mounting faces, porous

casting.

CASE POROSITY-REPAIR

Transmission leaks caused by aluminum case porosity

have been successfully repaired with the transmission in

the vehicle by using the following procedure.

1.
Road test and bring the transmission to operating

temperature.

2.
Raise the car and, with the engine running, locate the

source of the oil leak. Check for leaks in all operat-

ing positions.

NOTE:
The use of a mirror will be helpful in

finding leaks.

3.
Shut off engine and thoroughly clean area with a sol-

vent and air dry.

4.
Using the instruction of the manufacturer, mix a suf-

ficient amount of epoxy cement, part #1360016, to

make the repair.

5. While the transmission is still hot, apply the epoxy

to the area, making certain that the area is fully

covered.
6. Allow epoxy cement to dry for three hours and re-

test for leaks, as outlined in Steps 1 and 2.

OIL PRESSURE CHECK

With Car Stationary

Transmission oil pressure gauge and engine tachome-

ter should be connected and the oil pressures should

check as follows:

1.
Pressures indicated below are at 0 output speed with

the vacuum modulator tube disconnected and with en-

gine at 1200 rpm.

Approximate

Altitude of Check

(Ft. above sea level)

0

2,000

4,000

6,000

8,000

10,000

12,000

14,000
Drive

Neutral

Park

150

150

145

138

132

126

121

116
LI

or

L2

150

150

150

150'

150

150

150

150
Reverse

244

233

222

212

203

194

186

178

2.
Pressures indicated below are with the vacuum tube

connected for normal modulator operation, and with

the engine at 1200 rpm.

NOTE:
Pressures are not significantly affected

by altitude or barometric pressure when the

vacuum tube is connected.

Drive, Neutral, Park Ll or L2 Reverse

70 150 107

TURBO HYDRA-MATIC SHIFT POINTS

Engine

Throttle

Position

Closed

Detent

Touch

Thru

Detent
V327 (L30)

2.73 Axle - 8.25 - 14 Tire

•1-2 Up

7.7-11.5

36.4-50.1
2-1 Dn

10.9-6.9

74.8-91.4
2-3 Up

17.5-22.6

85.1-67.6
3-2 Dn

19.5-14.6

43.3-26.6
Chevrolet Models
(MPH)

V396 (L35)

2.73 Axle - 8.25 - 14 Tire

1-2 Up

8.0-12.9

38.4-55.9
2-1 Dn

10.3-4.3

45.6-25.2
2-3 Up

17.2-27.8

/

74.8-91.7
3-2 Dn

18.3-12.6

83.7-65.0
V427 (L36)

2.73 Axle - 8.25 - 14 Tire

1-2 Up

8.6-12,6

44.1-58.5
2-1 Dn

1-1.7-6.6

45.8-27.2
2-3 Up

17.5-30.7

81.1-99.4
3-2 Dn

18.9-14.3

92.6-73.4

Chevelle Models (MPH)

Throttle

Position

Closed

Detent

Touch

Thru

Detent
V396(L34)

3.07 Axle - F70 - 14 Tire

1-2 Up

7.4-10.9

38.1-50.4
2-1 Dn

9.6-5.7

39.5-23.5
2-3 Up

15.1-26.4

69.9-85.7
3-2 Dn

16.3-12.4

79.8-63.3

CHEVROLET CHASSIS SERVICE MANUAL

Page 402 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-43

SPECIAL TOOLS

1.
J-1522 Pilot Bearing Driver
Fig.
3T - Clutch Special Tools

2.
J-5824 Clutch Pilot Tool
3. J-1448 Pilot Bearing Puller

CHEVROLET CHASSIS SERVICE

Page 403 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-44

Fig.
4T - Manual Transmission Special Tools

1.
J-0933 Clutch Gear Bearing Retainer Wrench

2.
J-1126 Transmission Guide Pins

3. J-8059 Retainer Snap Ring Pliers

4

Page 404 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-45

23

Fig.
5T - Aluminum Powerglide Special Tools

1. J-9506

2.
J-3289-01

3.
J-9549

4.
J-21867

5.
J-4264

6. J-3387

7.
J-9539

8. J-6839

9. J-9546

10.
J-778

Page 405 of 659

CHEVROLET CAMARO 1967 1.G Chassis Workshop Manual
CLUTCH AND TRANSMISSIONS 7-46

17 18 19 20 21 22

Fig.
6T - Turbo Hydra-Matic Special Tools

1.
J-6116-01

2.
J-8092

3. J-21359

4.
J-21364

5. J-2619

6. J-5154

7. J-6585

8. J-9539

9.
J-559

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