1987 MAZDA 626 torque

2B
OIL
COOLER AND
OIL
FILTER BODY
76G02B-015
76G02B-016
INSTALLATION
1. Apply a coat of engine oil to the valve holes.
2. Install the relief valve spring and pressure spring.
Tightening torque:
20—29 Nm (2.0—3.0 m-kg, 14—22 ft-lb)
3. Clean the contact surfaces of the cylinder block
and oil filter body.
4. Install new O-rings and apply a coat of engine oil.
5. Install the oil filter body.
Tightening torque:
Bolt A: 8—11 N-m
(80—110 cm-kg, 69—95 in-lb)
Bolt B: 37—52 N-m
(3.8—5.3 m-kg, 27—38 ft-lb)
76G02B-017
6. Apply a coat of engine oil to the O-rings.
7. Install the oil cooler with new O-ring on the con-
nector bolt.
Tightening torque:
25—34 N-m (2.5—3.5 m-kg, 18—25 ft-lb)
8. Connect the water hoses.
9. Install the oil filter cover.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
10. Install the oil filter. (Refer to page 2B—6)
11. Install the idler pulley.
Tightening torque:
19—26 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
12. Install the Comprex supercharger drive belt and
adjust the belt deflection. (Refer to page 1C—7)
13. Add specified amount of coolant and engine oil.
14. Check for leaks.
76G02B-018
2B—8

2B OIL PAN
INSPECTION
Check the following points. Repair or replace if
necessary.
1. Cracks, deformation, damage
2. Damaged drain plug threads
4BG02X-037
76G02B-022
INSTALLATION
Install in the reverse order of removal referring to in-
stallation note.
Installation Note
Stiffener (RF-CX)
1. Remove any dirt or other material from the con-
tact surfaces.
2. Apply a continuous bead of silicone sealant to the
stiffener along the inside of the bolt holes, and over-
lap the end.
3. Install the stiffener.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
Oil Strainer
Install the oil strainer and a new gasket.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
76G02B-023
2B—10
Oil Pan
Remove any old sealant from the bolts and bolt holes.
If old sealant can not be removed from the bolt, re-
place it.
Without gasket
(1) Remove any dirt or grease from the contact
surfaces with a rag.
(2) Apply continuous bead of silicon sealant to the
oil pan along the inside of the bolt holes, and
overlap the ends.
(3) Install the oil pan.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)

OIL PAN 2B
With gasket
(1) Apply sealant to the shaded areas in the figure.
(2) Install the gasket and the oil pan.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
76G02B-025
2B-11

76G02B-031
76G02B-032
ASSEMBLY
Assemble the pump as follows.
Oil Seal
1. Apply engine oil to the pump body and the out-
side of the new oil seal. 2. Press in the oil seal.
Pressure Relief Valve
1. Install the plunger and spring in the pump body.
2. Install the spring seat plug and tighten to specifi-
cation.
Tightening torque:
26—39 N-m (2.7—4.0 m-kg, 20—29 ft-lb)
Outer and Inner Rotor
Install the rotors with the assembly mark facing the
pump cover.
Oil Pump Cover
1. Apply thread locking compound to the cover
mounting screws' threads.
2. Attach the oil pump cover to the body.
Tightening torque:
6—9 N-m (60—90 cm-kg, 52—78 in-lb)
76G02B-037
INSTALLATION
Install in the reverse order of removal referring to in-
stallation note.
Installation Note
Oil pump
1. Apply grease to a new O-ring and install it in the
oil pump body.
2. Apply silicon sealant to the shaded area as shown
in the figure.
3. Apply engine oil to the oil seal lip.
76G02B-033
2B-14

OIL JET 2B
OIL JET
REMOVAL
Remove each part in the following order.
1. Remove the oil pan. (Refer to page 2B—9).
2. Remove the oil jet valve.
3. Remove the oil jet.
76G02B-034
INSPECTION
1. Make sure that the oil passage is not clogged.
2. Check that the oil jet valve is not stuck or damaged.
INSTALLATION
Install in the reverse order of removal.
Tightening torque: 12—18 N-m
(1.2—1.8 m-kg, 104—156 in-lb)
76G02B-035
2B—15

3A WATER PUMP
INSPECTION
Check the following. Replace the pump if necessary.
1. Cracks or damage
2. Abnormal noise, bearing sticking or loose.
86U03X-014
INSTALLATION
Install in the reverse order of removal referring to the
installation note.
Installation Note
Rubber seal
Install the rubber seals on the water pump.
76G03A-017
86U03X-016
Water pump
1. Remove any gasket fragments, dirt, or oil from the
contact surfaces.
2. Install a new O-ring on the water pump.
3. Install the water pump.
Tightening torque:
19—25 Nm (1.9—2.6 m-kg, 14—19 ft-lb)
Note
To prevent dropping the O-ring when install-
ing, put silicon sealant in the O-ring groove
(shaded areas) as shown. Do not apply it to
the contact surfaces.
3A—10

THERMOSTAT 3A
69G03B-010
76G03A-008
76G03A-009
THERMOSTAT
REMOVAL
1. Drain the engine coolant.
2. Remove the thermostat cover.
3. Remove the thermostat.
INSPECTION
Check the thermostat. Replace if necessary.
1. Visually check that the valve is airtight.
2. Place the thermostat and a thermometer in water.
3. Gradually heat the water and check the following:
\ Model
Item
FEDOHC
FE 8-valve F8,F6...except
Middle
East General FE 12-valve
FE 8-valve, F8,F6...only Middle East General

Initial opening
tem-
perature

Sub
valve 83.5—86.5°C (182—188°F) Main valve 86.5—89.5°C (188—193°F)
86.5—89.5°C
(188—193°F)
80.5—83.5°C (177—182°F)
Full-open
temperature 100°C (212°F) 95°C (203°F)
Full-open
lift

Sub
valve
1.5
mm
(0.06 in) min.
Main valve
8.0
mm
(0.31 in) min.
8.5
mm
(0.33
in)min.

INSTALLATION
1. Install the thermostat into the cylinder head with
jiggle pin at the top.
2. Install a new gasket with the seal print side facing
the cylinder head.
3. Install the thermostat cover.
Tightening torque:
19—30
N
m (1.9—3.1 m-kg, 14—22 ft-lb)
4. Replenish the coolant.
5. Start the engine and check for leaks.
86U03X-018
3 A-11

3B WATER PUMP
INSPECTION
Check the following. Replace the pump if necessary.
1. Cracks or damage
2. Abnormal noise, bearing sticking or loose
86U03X-014
INSTALLATION
Install in the reverse order of removal referring to the
installation note.
Installation Note
Water pump
1. Remove any gasket fragments, dirt or oil from the
contact surfaces.
2. Install the water pump and new gasket so that the
printed side of the gasket faces the water pump.
Tightening torque:
Bolt A: 31—46 N-m
(3.2—4.7 m-kg, 23—34 ft-lb)
Bolt B: 8—11 N-m
(80—110 cm-kg, 69—95 in-lb)
Water pipe
1. Apply a coat of vegetable oil to the O-ring.
2. Install the water pipe.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
3. Connect the water hose.
76G03B-008
Alternator
1. Install the alternator.
Tightening torque:
Bolt A: 19—26
N
m
(1.9—2.6 m-kg, 14—19 ft-lb)
Bolt B: 37—52 N-m
(3.8—5.3 m-kg, 27—38 ft-lb)
2. Install the alternator drive belt and Comprex su-
percharger drive belt, and adjust the belt deflec-
tion. (Refer to page 1C—7)
76G03B-009
3B—8