oil MAZDA 626 1987 Repair Manual

ASSEMBLY (CYLINDER HEAD) 1 A
CYLINDER HEAD (8-valve)
Torque Specifications
19-25 N m (1.9—2.6 m-kg. 14-19 ft-lb)
18—26 N m (1.8—2.7 m-kg, 13—20 tt-lb)
80—86 N-m (8.2—8.8 m-kg, 59—64 ft-lb)
19—25 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
76G01A-078
Valve Seal
1. Apply engine oil to the inside of the new valve seal.
2. Install the valve seal onto the valve guide with the
SST

86U01X-147

1A—78

ASSEMBLY (CYLINDER HEAD) 1 A
Outer valve spring
®
®
Cylinder head r
Side ®>d)
76G01A-079
86U01X-145
86U01X-146
© @ ® ©
© ® © ®
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)
86U01X-147
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)
76G01A-081
76G01A-082
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.
86U01X-155
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)
86U01X-156
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)
86U01X-157
1A—81

1A ASSEMBLY (TIMING BELT)
Tensioner lock bolt
69G01B-165
76G01A-085
79G01C-097
Timing Belt Idler Pulley
Install the timing belt idler pulley.
Tightening torque:
37—52 Nm (3.8—5.3 m-kg, 27—38 ft-lb)
Timing Belt Tensioner
1. Install the timing belt tensioner and tensioner
spring.
2. Tentatively secure the tensioner with the spring fully
extended.
Timing Belt
1. Install the timing belt, (keep the tension side of belt
as tight as possible.)
Caution
a) If the timing belt is being reused, it must be
reinstalled to rotate in the original direction.
b) Check that there is no oil, grease, or dirt on
the timing belt.
2. Loosen the tensioner lock bolt.
3. Turn the crankshaft twice in the direction of rotation.
4. Check that the mating marks are correctly aligned.
If not aligned, remove the timing belt and tension-
er, and repeat the above-mentioned procedure.
5. Tighten the timing belt tensioner lock bolt.
Tightening torque:
37—52 Nm (3.8—5.3 m-kg, 27—38 ft-lb)
4BGQ1A-186
1A—84

ASSEMBLY (AUXILIARY PARTS) 1 A
76G01A-087
76G01A-088
86U01X-167
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)

76G01A-092

1A—87

1 A ASSEMBLY (AUXILIARY PARTS)
86U01X-169
86U01X-219
76G01A-035
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)

86U01X-178

1A—88

ASSEMBLY (AUXILIARY PARTS) 1 A
86U01X-171
76G01A-090
76G01A-091
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)
76G01A-092
1A—89

1 A ASSEMBLY (AUXILIARY PARTS)
76G01A-093
76G01A-094
76G01A-095
Exhaust Manifold Assembly
1. Place the new gaskets in position with the ridge
facing the cylinder head.
2. Install the exhaust manifold assembly.
3. Tighten the nuts in two or three steps.
Tightening torque:
34—49
N
m (3.5—5.0 m-kg, 25—36 ft-lb)
Exhaust Manifold Insulator
Install the exhaust manifold insulator.
Tightening torque:
19—30
N
m (1.9—3.1 m-kg, 14—22 ft-lb)
EGR Pipe
Install the EGR pipe.
Tightening torque:
34—44 Nm (3.5—4.5 m-kg, 25—33 ft-lb)
Secondary Air Pipe Assembly
Install the secondary air pipe assembly.
Tightening torque:
16—23 Nm (1.6—2.3 m-kg, 12—17 ft-lb)
P/S Oil Pump Bracket
Install the P/S oil pump bracket.
Tightening torque:
37—63 Nm (3.8—6.4 m-kg, 27—46 ft-lb)
86U01X-178
1A—90

1A INSTALLATION
Driveshaft
1. Apply grease to the end of the driveshaft.
2. Install the driveshaft and a new clip.
Caution
a) When installing the driveshaft, be careful
not to damage the oil seal.
b) After installation, pull the front hub outward
to confirm that the driveshaft is securely
held by the clip.
86U01X-184
Lower Arm
Install the lower arm ball-joint to the knuckle; then tight-
en the lock nut.
Tightening torque:
43—54 N-m (4.4—5.5 m-kg, 32—40 ft-lb)
86U01X-185
Tie-Rod End
1. Install the tie-rod end to the knuckle.
Tightening torque:
29—44 N-m (3.0—4.5 m-kg, 22—33 ft-lb)
2. Install the cotter pin.
86U01X-186
Stabilizer Control Rod
Install and adjust the front stabilizer control rods.
Dimension A: 20.1 mm (0.79 in)
Tightening torque: 16—23 N-m (1.6—2.3 m-kg, 12—17 ft-lb)
Install the front wheel.
Tightening torque:
88—118
N
m (9.0—12.0 m-kg, 65—87 ft-lb)
1A—94