seats MAZDA 626 1987 Workshop Manual

G IMPORTANT INFORMATION/FUNDAMENTAL PROCEDURES
IMPORTANT INFORMATION
BASIC ASSUMPTIONS
This workshop manual assumes that you have arid know how to properly use certain special tools
which are necessary for the safe and efficient performance of service operations on Mazda vehicles.
The manual also assumes that you are familiar generally with automobile systems and basic service
and repair procedures. You should not attempt to use this manual unless these assumptions are cor-
rect and you understand the consequences described below.
SAFETY RISK
This manual contains certain notes, warnings, etc., which you should carefully read and follow in or-
der to eliminate the risk of personal injury to yourself or others and the risk of improper service which
may damage the vehicle or render it unsafe. The fact that there are no such notes, etc., with respect
to any specific service method does not mean that there is no possibility that personal safety or vehicle
safety will be jeopardized by the use of incorrect methods or tools.
POSSIBLE LOSS OF WARRANTY
The manufacturer's warranty on Mazda vehicles and engines can be voided if improper service or
repairs are performed by persons other than an authorized Mazda dealer.
FUNDAMENTAL PROCEDURES
As you read through the procedure, you will come
across NOTES, CAUTIONS, and WARNINGS. Each
one is there for a specific purpose. NOTES give you
added information that will help you to complete a
particular procedure. CAUTIONS are given to pre-
vent you from making an error that could damage
the vehicle. WARNINGS remind you to be espe-
cially careful in those areas where carelessness can
cause personal injury. The following list contains
some general WARNINGS that you should follow
when you work on a vehicle.
PROTECTION OF THE VEHICLE
Always be sure to cover fenders, seats, and floor
areas before starting work.
A WORD ABOUT SAFETY
The following precautions must be followed when
jacking up the vehicle.
1. Block wheels.
2. Use only specified jacking positions.
3. Support vehicle with safety stands (rigid racks).
Start the engine only after making certain the engine
compartment is clear of tools and people.
G—2 expert22 fl/i* http://rutracker.org

1 A ON-VEHICLE MAINTENANCE (VALVE SEAL)
4. Turn the crankshaft to position the piston of the
valve seal to be replaced at top dead center.
5. Remove the valve keepers with the SST.
6. Remove the valve spring and spring seats.
86U01X-046
7. Remove the valve seal from the valve guide with
the SST.
Caution
Do not turn the crankshaft while the valve
spring is removed.
Replace the valve seals at every cylinders.
86U01X-047
1A—28

1 C ON-VEHICLE MAINTENANCE (VALVE SEAL)
Valve seal
1. Plug the oil drain hole with a rag to prevent the posi-
bility of the valve keepers from falling into the oil
pan.
2. Turn the crankshaft to position the piston of the
valve seal to be replaced at top dead center.
3. Remove the valve keepers with the SST.
76G01C-057
4. Remove the valve spring and spring seats.
5. Remove the valve seal with the SST.
Caution
Do not turn the crankshaft while the valve
spring is removed. Replace the valve seals at
every cylinders.
76G01C-058
1C—26

1 C DISASSEMBLY (CYLINDER HEAD)
Valve spring
Remove the valve, spring seats and valve keepers
from the cylinder head with the SST.
76G01C-088
Valve seal
After removing the lower spring seats, remove the
valve seals with the SST.
76G01C-089
Ball
_ Combustion
"X^ chamber
Glow plug hole
Combustion chamber insert
Caution
Do not remove the combustion chamber in-
sert as the cylinder head and the combustion
chamber insert are machined together, re-
place the combustion chamber insert and cyl-
inder head as an assembly.
76G01C-090
1C-42

7A TRANSAXLE CONTROL
TRANSAXLE CONTROL
REMOVAL AND INSTALLATION
1. Jack up the vehicle and support it with safety stands.
2. Remove in the sequence shown in the figure.
3. Install in the reverse order of removal. 61G07X-165
86U07A-230
1. Change lever knob
2. Assist boot
3. Mounting rubber boot
4. Bolts and nuts
5. Change control rod
6. Bracket installation nuts
7. Nut and washer
8. Extension bar bracket as-
sembly and gasket
9. Bushing
10. Pipe
11. Change lever
12. Spring
13. Ball seat (upper)
14. Bushings
15. Boot
16. Holder
17. Ball seat (lower)
18. Extention bar
Note
Apply a coat of grease (lithium base, NLGI No. 2) to the change lever ball, the ball seats,
and each joint.
7A-58

1 1 POWER BRAKE UNIT
Diaphragm
Install the diaphragm to the power piston and plate.
Caution
Check that the diaphragm is well seated in the
groove.
86U11X-052
Rear shell assembly
Assemble the rear shell assembly; carefully guiding
the tube end of the power piston through the dust
seal of the rear shell.
86U11X-053
Front shell and rear shells
Press down the rear shell assembly, and rotate it
clockwise until the matching marks are aligned.
Caution
Fit suitable nuts to two studs of the rear shell
and tighten them to mount the wrench.
76G11X-072
INSPECTION
1. Inspect all rubber parts. Wipe free of fluid and care-
fully inspect all rubber parts for cuts, nicks, and
other damage.
2. Check the power piston for cracks,distortion, chip-
ping, and damaged seats.
3. Inspect the reaction disc rubber for deterioration.
4. Check that the seats of the valve rod and plunger
are smooth and free of nicks and dents.
5. Inspect the front and rear shells for scratches,
scores, pits, dents, and other damage.
6. Check the diaphragm for cuts and other damage.
11—32

FRONT SHOCK ABSORBER AND SPRING 1 3
Assembly Note
1. Set the SST in a vise
2. Secure the shock absorber in the SST.
3. Install the bound stopper and dust boot to the
shock absorber.
4. Install the compressed coil spring (compressed
with SST).
5. Install the rubber seat, spring upper seat, bearing
and mounting block.
86U13X-021
6. Remove the SST.
7. Secure the mounting block in a vise.
Caution
Use copper or aluminum plates in the jaws of
a vice.
8. Tighten the piston rod upper nut.
Tightening torque:
64—84 Nm (6.5—8.2 m-kg, 47—59 ft-lb)
Caution
Check that the spring is well seated in the up-
per seats.
13—17

REAR SHOCK ABSORBER AND SPRING 1 3
86U13X062
86U13X-063
86U13X-064
Inspection Note
Check the following and repair or replace any faulty
parts.
1. Oil leakage or noise from shock absorbers
2. Deterioration or damage of mounting block
3. Wear or damage of bound stopper
4. Rotation of the control rod (AAS).
Assembly Note
1. Set the SST in a vise
2. Secure the shock absorber in the SST.
3. Install the bound stopper and dust boot onto the
shock absorber.
4. Install the compressed coil spring (compressed
with SST).
5. Install the spring seat and mounting block.
6. Remove the SST.
7. Secure the mounting blocks in the vise.
Caution
Use copper or aluminum plate in the jaws of
a vice.
8. Tighten the piston rod upper nut.
Tightening torque:
64—84 N-m (6.5—8.2 m-kg, 47—59 ft-lb)
Caution
Check that the spring is well seated in the up-
per seats.
76G13X-023
13—33