oil cooler MAZDA 626 1987 Repair Manual

7C HYDRAULIC CIRCUIT
D RANGE (2ND GEAR)
Band servo
Vacuum diaphragm
Throttle backup valve
Orifice valve
76G07C-343
Oil cooler
Apply side
Release side
Oil pump
Secondary * governor valve Primary governor valve
Pressure regulator valve
Line pressure
Operating line pressure
Governor pressure
Torque converter
Throttle pressure
Orifice check valve
Modifier < valve
Low and reverse brake pressure
Rear clutch pressure
Front clutch pressure
Vacuum | throttle valve
Orifice check valve
Downshift valve 11
Throttl relief valve
Kick-down solenoid
7C—130

HYDRAULIC CIRCUIT 7C
D RANGE (3RD GEAR)
Band servo
Oil cooler
Low and reverse brake • pressure
Rear clutch pressure
4 Front clutch pressure
Vacuum diaphragm Kick-down solenoid
Downshift valve i I Vacuum throttle valve
Throttle backup valve
Orifice check valve
Modifier valve
Orifice check valve 11 Pressure regulator valve
Line pressure lis
Operating line pressure
Governor pressure
Torque converter
Throttle pressure Secondary x governor valve Primary * governor valve
76G07C-344
7C—131

7C HYDRAULIC CIRCUIT
D RANGE (KICK-DOWN; SHIFT VALVES IN 2ND POSITION)
Band servo
Oil cooler
Low and reverse brake • pressure Kick-down solenoid Vacuum 'diaphragm
Rear clutch pressure
Front clutch pressure
Jownshift 'alve 11 Oil pump Vacuum throttle valve
Throttle backup valve
Throttle relief I valve
Orifice check valve
Modifier valve Orifiw check valve
Second lock valve
Orifice chabk valve II Pressure regulator valve
CZ3 Line pressure
Ml Operating line pressure
• Governor pressure
Cm Torque converter
•I Throttle pressure
Primary x governor valve Secondary x governor valve
76G07C-345
7C—132

HYDRAULIC CIRCUIT 7C
2 RANGE (2ND GEAR)
Release side
Oil cooler
Low and reverse brake a pressure Vacuum diaphragm Kick-down solenoid
Rear clutch pressure
Front clutch pressure
Downshift valve I Vacuum throttle valve
Throttle backup valve
Throttle relief I valve
Orifice check valve
Modifier valve Orifice check valve I
2-3 shift I valve
Second lock valve
Orifice chsisk valve 11 I Pressure regulator valve
Line pressure in
Operating line pressure
Governor pressure
Torque converter
Throttle pressure Secondary x governor valve Primary x governor valve
76G07C-346
7C-133

7C HYDRAULIC CIRCUIT
1 RANGE (1ST GEAR)
Orifice
Low and reverse brake pressure
Rear clutch pressure
Front clutch pressure
Vacuum
>
diaphragm
76G07C-347
Oil cooler
Kick-down solenoid
] Down: valve Oil pump Vacuum throttle valve
I Throttle backup valve
Throttle relief] valve check valve
Modifier valve Orifice checkI valve
pLU Second l-i—| lock valve
Orifice valve
valve
Secondary x Primary governor valve governor valve
Line pressure m
Operation line pressure
Governor pressure
Torque converter
Throttle pressure
Pressure regulator valve
7C-134

30 TECHNICAL DATA
2A. LUBRICATION SYSTEM (GASOLINE)
Engine model Item ____ FE DOHC F6, F8, FE SOHC

Lubrication method Force-fed

Oil pump

Type Trochoid gear Crescent gear
Regulated pressure kPa (kg/cm2
psi)
490 (5.0,
71)
392 (4.0, 57)
Oil pressure kPa (kg/cm2,
psi)
1,000 rpm 147-245 (1.5-2.5, 21-36) Oil pressure kPa (kg/cm2,
psi)
3,000
rpm
343—441 (3.5-4.5, 50-64) 294—392 (3.0—4.0, 43-57)
Inner rotor tooth
tip to
outer rotor
clearance
mm
(in)
Standard 0.044-0.084 (0.0017-0.0033)

—

Inner rotor tooth
tip to
outer rotor
clearance
mm
(in) Maximum 0.18 (0.0071)

—
Outer rotor
to
body clearance
mm
(in) Standard 0.09-0.176 (0.0035-0.0069)
—
Outer rotor
to
body clearance
mm
(in) Maximum 0.20 (0.008)
—

Side clearance
mm
(in) Standard 0.03-0.09 (0.0012-0.0035)

—

Side clearance
mm
(in) Maximum 0.10 (0.004)

—

Inner gear tooth tip
to
crescent clearance
mm
(in)
Standar

—

0.267-0.38 (0.011-0.015) Inner gear tooth tip
to
crescent clearance
mm
(in) Maximum

—

0.40 (0.016)
Outer gear tooth tip
to
crescent clearance
mm
(in)
Standard

—

0.20-0.32 (0.008-0.0126) Outer gear tooth tip
to
crescent clearance
mm
(in) Maximum
—
0.35 (0.0138)
Outer gear
to
body
clearance
mm
(in)
Standard
—
0.09-0.184 (0.0035-0.0072) Outer gear
to
body
clearance
mm
(in) Maximum

—

0.20 (0.008)
Side clearance mm (in) Standard

—

0.03-0.063 (0.0012-0.0025) Side clearance mm (in) Maximum

—

0.10 (0.004)

Oil filter

Type Full flow, paper element
Relief pressure differential kPa (kg/cm2,
psi)
78-118 (0.8-1.2, 11-17)

Oil cooler

Type
!
Water cooled

Oil pressure switch

Activation pressure kPa (kg/cm2,
psi)
29 (0.3, 4.3)

Enaine oil

Capacity liters (US qt, Imp
qt)

Total (drv enaine) 4.3 (4.5, 3.8)
Capacity liters (US qt, Imp
qt)
Oil
Dan
3.6 (3.8, 3.2) Capacity liters (US qt, Imp
qt)

Oil filter 0.2(0.21,0.18)
|
0.3 (0.32,0.26)
Grade (API service) SD, SE,
or
SF
Viscosity
number
30°C (86°F)
or
over SAE
40

Viscosity
number
0°C—40°C (32°F—104°F) SAE
30

Viscosity
number
-10°C—20°C (14°F—68°F) SAE 20W-20
Viscosity
number
-10°C—50°C (14°F—122°F)
or
over SAE 20W-40
or
20W-50 Viscosity
number -25°C—30°C (-13°F—86°F) SAE 10W-30 Viscosity
number
-25°C—50°C (-13°F—122°F)
or
over SAE 10W-40
or
10W-50
Viscosity
number
0°C—30°C (32°F—22°F)
or
below SAE 5W-30
Viscosity
number
-20°C (—4°F)
or
below SAE 5W-20

30-14

TECHNICAL DATA 30
2B. LUBRICATION SYSTEM (DIESEL)
Engine moded Item RF-CX RF-N

Lubrication method Force-fed type

Oil pump

Type Trochoid gear
Gear width
mm
(in) 7 (0.28)
Regulated pressure kPa (kg/cm2,
psi)
510-618 (5.2-6.3, 74-90)
Oil pressure kPa (kg/cm2,psi) 1,000 rpm 147-245 (1.5-2.5, 21-36) Oil pressure kPa (kg/cm2,psi) 3,000 rpm 343—441 (3.5—4.5, 50—64)
Inner rotor tooth
tip to
outer rotor clearance
mm
(in)
Standard 0.2 (0.008)
or
less Inner rotor tooth
tip to
outer rotor clearance
mm
(in) Maximum 0.24 (0.009)
Outer rotor
to
pump body clearance
mm (in)
Standard 0.09-0.184 (0.0035-0.0071) Outer rotor
to
pump body clearance
mm (in) Maximum 0.22 (0.009)
Side clearance
mm
(in) Standard 0.03-0.09 (0.0012-0.0036) Side clearance
mm
(in) Maximum 0.14 (0.006)

Oil filter

Type Combined, paper element
Relief pressure differential kPa (kg/cm2,
psi)
78-118 (0.8-1.2, 11-17)

Oil cooler

Type Water cooled,
10
layer Water cooled,
4
layer

Oil filter body

Regulated pressure kPa (kg/cm2,
psi)
402-481 (4.1-4.9, 58—70)
Oil cooler relief pressure differential kPa (kg/cm2,
psi)
177-216 (1.8-2.2, 26-31)

Oil pressure switch

Activation pressure kPa (kg/cm2,
psi)
20-39 (0.2—0.4, 2.8-5.7)

Engine oil

Capacity liters (US qt, Imp
qt)

Total (drv enaine) 6.1 (6.4, 5.4)
Capacity liters (US qt, Imp
qt)
Oil pan 5.0 (5.3, 4.4) Capacity liters (US qt, Imp
qt)

Oil filter 0.5 (0.52, 0.44)
Grade API service CC CC,
CD

Viscosity number
40°C
or
over (104°F)
or
over SAE
40

Viscosity number
0°C—40°C (32°F—100°F) SAE
30

Viscosity number
-10°C—35°C (15°F—90°F) SAE 15W-40 Viscosity number -10°C—25°C (15°F—77°F) SAE 20W-20 Viscosity number
-25°C—30°C (-18°F—86°F) SAE 10W-30
Viscosity number
-20°C
or
below (4°F
or
below) SAE 5W-30

30—15