1987 MAZDA 626 Workshop Manual

HYDRAULIC CIRCUIT 7C
1 RANGE (2ND GEAR)
Band servo
Release side
Low and reverse brake I pressure
1 Rear clutch pressure
Vacuum diaphragm Kick-down solenoid
Front clutch pressure
Downsaift valve fl Oil pump Vacuum throttle valve
Throttle backup valve
Throttl relief I valve
Orifice check valve
Modifier valve Orifice check valve I
Second lock valve
Orifice valve Pressure regulator valve
I—i Line pressure

EH Operating line pressure

dH Governor pressure
I—I Torque convertei
Ml Throttle pressure Secondary x governor valve Primary x governor valve
76G07C-348
7C—135

9
FRONT AND REAR AXLES
OUTLINE 9—2
STRUCTURAL VIEW 9— 2
SPECIFICATIONS 9— 6
TROUBLESHOOTING GUIDE 9— 7
FRONT AXLE 9— 8
ON-VEHICLE MAINTENANCE 9— 8
REMOVAL 9— 9
DISASSEMBLY 9—11
INSPECTION 9—12
ASSEMBLY 9—13
INSTALLATION 9—14
REAR AXLE 9—16
ON-VEHICLE MAINTENANCE 9—16
[Drum Brake] 9—17
REMOVAL 9—17
DISASSEMBLY 9—18
INSPECTION 9—19
ASSEMBLY 9—19
INSTALLATION 9—20
[Disc Brake] 9—21
REMOVAL (2WS) 9—21
REMOVAL (4WS) 9—22
DISASSEMBLY 9—23
INSPECTION 9—24
ASSEMBLY 9—25
INSTALLATION (2WS) 9—26
INSTALLATION (4WS) 9—27
DRIVESHAFT 9—28
ON-VEHICLE MAINTENANCE 9—28
REMOVAL 9—29
DISASSEMBLY (MTX) 9—31
INSPECTION (MTX) 9—32
ASSEMBLY (MTX) 9—33
DISASSEMBLY (ATX) 9—35
INSPECTION (ATX) 9—36
ASSEMBLY (ATX) 9—36
INSTALLATION 9—37
JOINT SHAFT 9—39 86U09X-001

9 OUTLINE
OUTLINE
STRUCTURAL VIEW
Driveshaft (MTX)
86U09X-080
1. Lock nut
2. Shaft and ball joint as-
sembly
3. Boot
4. Boot band
5. Ball joint assembly
(differential side)
6. Snap ring
7. Clip
8. Clip
9. Joint shaft assembly
10. Reamer bolt
11. Bracket mounting bolt
9—2

OUTLINE 9
Driveshaft (ATX)
86U09X-031
1. Lock nut
2. Shaft and ball joint as-
sembly
3. Boot
4. Boot band
5. Tripod joint assembly
6. Clip
7. Joint shaft assembly
9—3

9 OUTLINE
Front Axle
86U09X-002
1. Lock nut 4. Driveshaft
2. Disc plate 5. Wheel speed sensor (ABS)
3. Caliper assembly
9—4

OUTLINE 9
Rear Axle
Drum brake
Disc brake
1. Lock nut
2. Brake drum
3. Back plate
4. Parking cable
5. Brake pipe
6. Disc plate
7. Dust cover
8. Knuckle spindle
9. Wheel speed sensor (ABS)
86U09X-003
9—5

9 OUTLINE
Rear Axle (4WS)
86U09X-004
1. Lock nut 4. Knuckle spindle
2. Disc plate 5. Wheel speed sensor (ABS)
3. Dust cover 6. Shock absorber
SPECIFICATIONS
—-— Engine model
Item """ ~'
F6, F8, RF-N FE, RF-CX —-— Engine model
Item """ ~' Right Left Right Left
Length of joint mm (in)
(between centers of joints)
MTX 368.5 (14.51) 368.5 (14.51) 360.0 (14.17) 360.0 (14.17) Length of joint mm (in)
(between centers of joints) ATX 359.5 (14.15) 359.5 (14.15) 355.5 (14.00) 355.5 (14.00)
Shaft diameter mm (in) MTX 23.0 (0.91) 24.0 (0.94) Shaft diameter mm (in) ATX 23.0 (0.91) 24.0 (0.94)
76G09X-001
86U09X-082
9—6

TROUBLESHOOTING GUIDE 9
TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy Page
Faulty operation of
driveshaft
Broken ball joint
Broken tri-pod joint
Worn or seized joint
Replace
Replace
Replace
9—31
9—35
9—31, 35
Abnormal noise from driveshaft Insufficient grease in joint or spline Excessive backlash on spline Worn joint
Add or replace
Replace
Replace
9—33, 36 9—31, 35 9-31, 35
Steering wheel pulls. (Steering wheel pulls toward either right or left side)
Bent steering linkage
Fatigued coil spring
Lower arm bushing worn or damaged Bent knuckle Bent lower arm or loose mounting Incorrect toe-in adjustment Improper tire air pressure Unevenly worn tires (left and right tires) Brake dragging
Refer to Section 10 Refer to Section 13 Refer to Section 13 Replace Refer to Section 13 Refer to Section 13 Refer to Section 12 Refer to Section 12 Refer to Section 11
9-11
Unstable handling Bent steering linkage
Joint in steering system worn or damaged
Incorrect steering pinion preload adjustment Fatigued coil spring
Faulty shock absorber(s) Lower arm bushing worn or damaged Incorrect toe-in adjustment (front or rear) Improper tire air pressure Wheel(s) bent or unbalanced
Refer to Section 10 Refer to Section 10 Refer to Section 10 Refer to Section 13 Refer to Section 13 Refer to Section 13 Refer to Section 13 Refer to Section 12 Refer to Section 12
—
Excessive steering wheel play Faulty front wheel bearing Incorrect steering pinion preload adjustment Rack and pinion worn Joint in steering system worn or damaged Lower arm bushing worn or damaged
Adjust Refer to Section 10 Refer to Section 10 Refer to Section 10 Refer to Section 13
9-11
Tires excessively worn or worn un-evenly
Incorrect toe-in adjustment Improper tire air pressure Unbalanced wheel(s)
Refer to Section 13 Refer to Section 12 Refer to Section 12 —
Abnormal noise
from axle
Faulty wheel bearing Replace 9-11,18,23
86U09X-006
9—7