1987 MAZDA 626 engine

ASSEMBLY (CYLINDER HEAD) 1 B
86U01X-146
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86U01X-147
86U01X-148
Cylinder Head
1. Thoroughly remove all dirt, oil, or other material
from the top of the cylinder block.
2. Place the new cylinder head gasket in position.
3. Install the cylinder head.
4. Apply engine oil to the bolt threads and seat faces.
5. Tighten the cylinder head bolts in two or three steps
in the order shown in the figure.
Tightening torque:
80—86 Nm (8.2—8.8 m-kg, 59—64 ft-lb)
Camshaft
1. Apply a liberal amount of engine oil to the journals
and bearings.
2. Place the camshaft in position with the dowel pin
facing straight up.
Camshaft Oil Seal
1. Apply liberal amount of clean engine oil to the cam-
shaft oil seal and cylinder head.
2. Install the camshaft oil seal.
76G01B-087
1B-61

1 B ASSEMBLY (CYLINDER HEAD)
76G01B-088
Camshaft Cap
1. Apply liberal amount of clean engine oil to the cam
lobes and journals.
2. Apply silicon sealant to the front camshaft cap
surface.
3. Position the camshaft caps according to the cap
number and mark.
4. Install the camshaft caps. Tighten the bolts in two
or three steps in the order shown in the figure.
Tightening torque:
18—26 Nm (1.8—2.7 m-kg, 13—20 ft-lb)
Seal Plate
Install the seal plate.
Tightening torque:
8—12
N
m (80—120 cm-kg, 69—104 in-lb)
1B—62

ASSEMBLY (AUXILIARY PARTS) 1 B
Oil Pressure Switch
Install the oil pressure switch.
Tightening torque: 12—18 N-m
(1.2—1.8 m-kg, 104—156 in-lb)
76G01A-087
Oil Cooler
Install the oil cooler.
Tightening torque:
29—39 N-m (3.0—4.0 m-kg, 22—29 ft-lb)
Oil Filter
1. Apply a small amount of engine oil to the rubber
seal of the new filter.
2. Install the oil filter and tighten it by hand until the
rubber seal contacts the base.
3. Then tighten the filter
1
and 1/6 turn with a wrench.
76G01B-099
Intake Manifold Assembly
1. Place the new gasket in position.
2. Install the intake manifold assembly.
3. Tighten the nuts in two or three steps.
Tightening torque:
19—30 N-m (1.9—3.1 m-kg, 14—22 ft-lb)
86U01X-167
Intake Manifold Bracket
Install the intake manifold bracket.
Tightening torque:
19—30 N-m (1.9—3.1 m-kg, 14—22 ft-lb)
86U01X-168
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1B-69

1 B ASSEMBLY (AUXILIARY PARTS)
Thermostat and Thermostat Cover
1. Install the thermostat into the cylinder head with
the jiggle pin at the top.
2. Position a new gasket with the printed side facing
the cylinder head.
3. Install the thermostat cover.
Tightening torque:
19—30 Nm (1.9—3.1 m-kg, 14—22 ft-lb)
86U01X-169
Spark Plug
1. Apply anti-seize compound or molybdenum-based
lubricant to the spark plug threads.
2. Install the spark plugs.
Tightening torque:
15—23
N
m (1.5—2.3 m-kg, 11—17 ft-lb)
86U01X-219
1B—70
Distributor
1. Apply engine oil to the O-ring, and position it on
the distributor.
2. Apply engine oil to the blade.
3. Install the distributor.
4. Loosely tighten the distributor mounting bolt.
High-Tension Lead
Install the high-tension leads.
Center Cover
Install the center cover.
Tightening torque:
8—12 Nm (80—120 cm-kg, 69—104 in-lb)
Engine Mount Bracket
1. Install the engine mount bracket.
Tightening torque:
85—117
N m
(8.7—11.9 m-kg, 63—86 ft-lb)
2. Install the stay to the engine mount bracket.
Tightening torque:
37—52
N
m (3.8—5.3 m-kg, 27—38 ft-lb)

ASSEMBLY (AUXILIARY PARTS) 1 B
Alternator
1. Install the alternator strap and bracket.
Tightening torque:
37—63 Nm (3.8—6.4 m-kg, 27—46 ft-lb)
86U01X-171
Install the alternator.
Tightening torque
(g): 31—46 N-m
(3.2—4.7 m-kg, 23—34 ft-lb)
(§): 37—52 N-m
(3.8—5.3 m-kg, 27—38 ft-lb)
Install the alternator drive belt, and adjust the belt
deflection. (Refer to page 1B—6.)
76G01B-102
Coolant Inlet Pipe and Bypass Pipe
1. Install the coolant inlet pipe.
Tightening torque:
19—25 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
2. Apply vegetable oil to the O-ring.
3. Install the coolant bypass pipe.
Tightening torque:
37—63 N-m (3.8—6.4 m-kg, 27—46 ft-lb)
Engine Hanger
Install the front and rear engine hangers.
Tightening torque:
19—30 N-m (1.9—3.1 m-kg, 14—22 ft-lb)
76G01A-092
1B—71

INSTALLATION 1 B
INSTALLATION
TRANSAXLE ASSEMBLY
Assemble the transaxle to the engine in the sequence shown in the figure.
76G01B-107
1. Transaxle 2. Starter
1B-73

1B INSTALLATION
ENGINE INSTALLATION
Install the engine and transaxle assembly.
Warning: Be sure the vehicle is securely supported.
Torque Specifications
67—93
N m
(6.8—9.5 m-kg, 49—69 ft-lb)
85—117
N m
(8.7—11.9 m-kg, 63—86 ft-lb)
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
8-11 N-m (80—110 cm-kg, 69—95 In-lb)
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16—27
N-m
(1.6—2.8 m-kg, 12—20 ft-lb)
37—63 N-m (3.8—6.4 m-l 27—46 ft-ll
37—52 N-m (3.8—5.3 m-kg 27—38 ft-lb)
64—89 N-m (6.5—9.1 m-kg, 47—66 ft-lb)
36—54 N-m (3.7—5.5 m-kg, 27—40 ft-lb)
-31—46 N-m (3.2—4.7 m-kg, 23—34 ft-lb)
31—46 N-m (3.2-4.7 m-kg, 23—34 ft-lb)
39—59 N-m (4.0—6.0 m-kg, 29—43 ft-lb)
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
31—46 N-m (3.2—4.7 m 23—34 ft-lb)
19—25 N-m (1.9—2.6 m-kg, 14-
19—25 N-m (1.9—2.6 m
16—23 N-m (1.6—2.3 m-l
5—7 N-m (50—70 cm-kg, 43—61 in-lb)
-16—23 N-m (1.6—2.3 m-kg, 12—17 ft-lb)
9—13 N-m (90—130 cm-kg, 78—113 In-lb)
29—44 N-m (3.0—4.5 m-kg, 22—33 ft-lb)
,68—118 N-m .0—12.0 m-kg 65—87 ft-lb)
43-54 N-m (4.4—5.5 m-kg, 32-40 tl-lb)
8—11
N-m
(80—110 cm-kg, 69—95 In-lb)
86U01X-180
1B—74

INSTALLATION 1 B
Engine Mount
Install the engine mount.
86U01X-181
Exhaust Pipe
1. Install the exhaust pipe.
Tightening torque
(A): 31—46 Nm
(3.2—4.7 m-kg, 23—34 ft-lb)
(§): 64—89 N-m
(6.5—9.1 m-kg, 47—66 ft-lb)
2. Tighten the bracket bolt.
Tightening torque:
19—25 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
Extension Bar
Install the extension bar to the transaxle.
Tightening torque:
31—46 N-m (3.2—4.7 m-kg, 23—34 ft-lb)
Change Rod
Install the change rod to the transaxle.
Tightening torque:
16—23 Nm (1.6—2.3 m-kg, 12—17 ft-lb)
1B—75