1987 MAZDA 626 engine

ASSEMBLY (CYLINDER HEAD) 1 A
Outer valve spring
®
®
Cylinder head r
Side ®>d)
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86U01X-145
86U01X-146
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Valve and Valve Spring
1. Install the lower spring seat.
2. Install the valve.
3. Install the valve springs and the upper spring seat.
Note
Install the outer valve spring with the closer
pitch toward the cylinder head.
4. Compress the valve spring with the SST; then in-
stall the valve keepers.
5. Tap the end of the valve stem lightly two or three
times with a plastic hammer to confirm that the
keepers are all fully seated.
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
N
m (8.2—8.8 m-kg, 59—64 ft-lb)
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1A—79

1 A ASSEMBLY (CYLINDER HEAD)
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.
Rocker Arm and Shaft Assembly
1. Assemble the rocker arm and shaft assembly as
shown in the figure.
2. Apply silicon sealant to the shaded areas shown
in the figure.
3. Apply liberal amount of clean engine oil to the cam
lobes and journals.
5. Install the rocker arm and shaft assembly. 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)
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1A—80

ASSEMBLY (CYLINDER HEAD) 1 A
Front Housing
1. Apply engine oil to the front housing and a new
oil seal.
2. Press the oil seal into the front housing.
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3. Apply engine oil to the oil seal lip.
4. Install the front housing and a new gasket.
Tightening torque:
19—25 Nm (1.9—2.6 m-kg, 14—19 ft-lb)
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Rear Housing
Install the rear housing and a new gasket.
Tightening torque:
19—25 Nm (1.9—2.6 m-kg, 14—19 ft-lb)
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1A—81

ASSEMBLY (TIMING BELT) 1 A
Camshaft Pulley
1. Install the camshaft pulley on the camshaft with the
dowel pin fit into the hole at the 2 mark (FE) or 3
mark (F8, F6).
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2. Tighten the camshaft pulley lock bolt.
Tightening torque:
47—65 N-m (4.8—6.6 m-kg, 35—48 ft-lb)
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3. Align the mating mark on the pulley with the align-
ment mark on the front housing.
Note
For FE engine, align "2" mark.
For F8, F6 engine, align "3" mark.
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Timing Belt Pulley
1. Reverse the direction of the SST (ring gear brake).
2. Install the crankshaft key.
3. Install the timing belt pulley on the crankshaft.
Tightening torque: 157—167 N-m
(16.0—17.0 m-kg, 116—123 ft-lb)
4. Release the ring gear brake.
5. Align the timing belt pulley and the pump body
alignment marks.
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1
A—83

ASSEMBLY (AUXILIARY PARTS) 1 A
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Oil Pressure Switch
Install the oil pressure switch.
Tightening torque: 12—18 N-m
(1.2—1.8 m-kg, 104—156 in-lb)
Oil Cooler (8-valve...only ECE, 12-valve)
Install the oil cooler.
Tightening torque:
29—39 N-m (3.0—4.0 m-kg, 22—29 ft-lb)
Oil Filter
1. Apply engine oil to the rubber gasket of the new
filter.
2. Install the oil filter, and tighten it by hand only. Do
not use a wrench.
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)
Intake Manifold Bracket (Fl)
Install the intake manifold bracket.
Tightening torque:
19—30 N-m (1.9—3.1 m-kg, 14—22 ft-lb)

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1A—87

1 A ASSEMBLY (AUXILIARY PARTS)
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86U01X-219
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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)
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 Nm (1.5—2.3 m-kg, 11—17 ft-lb)
Distributor
1. Apply engine oil to the O-ring, and position it on
the distributor.
2. Apply engine oil to the blade or gear.
3. Align the mating marks as shown in the figure
...8-valve.
4. Install the distributor with the marks facing straight
up.
5. Loosely tighten the distributor mounting bolt.
High-Tension Lead
Install the high-tension leads.
Engine Mount Bracket
Install the engine mount.
Tightening torque:
85—117 Nm (8.7—11.9 m-kg, 63—86 ft-lb)

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1A—88

ASSEMBLY (AUXILIARY PARTS) 1 A
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Alternator
1. Install the alternator strap and bracket.
Tightening torque:
37—63 Nm (3.8—6.4 m-kg, 27—46 ft-lb)
2. Install the alternator.
Tightening torque
(A): 31—46 Nm
(3.2—4.7 m-kg, 23—34 ft-lb)
(§): 37—52 N-m
(3.8—5.3 m-kg, 27—38 ft-lb)
3. Install the alternator drive belt, and adjust the belt
deflection. (Refer to page 1A—7.)
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)
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1A—89

INSTALLATION 1A
INSTALLATION
TRANSAXLE ASSEMBLY
Assemble the transaxle to the engine in the sequence shown in the figure referring to the installation note.
37—52 N-m (3.8—5.3 m-kg, 27—38 ft-lb)
8—11 N-m (80-110 cm-kg, 69-95 In-lb) (2)
37—52 N-m (3.8—5.3 m-kg, 27—38 ft-lb) (3.) B9—117 N-m (9.1—11.9 m-kg, 66—86 ft-lb)
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1. Transaxle
2. Clutch under cover
3. Gusset plate
4. Starter
Installation Note
Clutch under cover
Before installation, fill the notches with silicon as
shown in the figure.

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1A—91