1987 MAZDA 626 Workshop Manual

ASSEMBLY (CYLINDER HEAD) 1 C
76G01C-176
76G01C-177
Engine Hanger
Install the front and rear engine hanger.
Tightening torque:
Front: 37—52 Nm
(3.8—5.3 m-kg, 27—38 ft-lb)
Rear: 19—26 N-m
(1.9—2.6 m-kg, 14—19 ft-lb)
Thermostat Case
Install the thermostat case with gasket.
Tightening torque:
16—23 N-m (1.6—2.3 m-kg, 12—17 ft-lb)
Thermostat and Thermostat Cover
1. Install the thermostat into the thermostat case with
the jiggle pin at the top.
2. Position a new gasket with the printed side facing
the thermostat case.
3. Install the thermostat cover.
Tightening torque:
7—10 Nm (70—100 cm-kg, 61—87 in-lb)
76G01C-178
1C—77

1 C ASSEMBLY (INJECTION PUMP)
INJECTION PUMP
Torque Specifications
25—29 N-m (2.5-3.0 m-kg, 18—22 ft-lb)
19—26 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
31—46 N-m (3.2—4.7 m-kg, 23—34 ft-lb)
8—12 N-m (80—120 cm-kg, 69—104 in-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) ^
/'/ \iiv>• r: \\c
37-52 N-m // V\ J ^ (3.8—5.3 m-kg, 27-3B ft-ib)
12—1B N-m (1.2—1.8 m-kg, 104—156 In-lb)
37-52 N-m (3.8—5.3 m-kg, 27—38 ft-lb}
12—18 N-m (1.2—1.8 m-kg, 104—156 In-lb)
76G01C-179
Water Pump
1. Remove the dirt or old gasket from the water pump
mounting surface.
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)
76G01C-180
1C—78

ASSEMBLY (INJECTION PUMP) 1 C
Water Pipe
1. Apply a coat of vegetable oil to the O-ring.
2. Install the water pipe.
Tightening torque:
8—11 Nm (80—110 cm-kg, 69—95 in-lb)
3. Connect the water hose.
76G01C-181
^OQOja^q^
cffl-.. M
Oil Pressure Switch
Install the oil pressure switch.
Tightening torque: 12—18 N-m
(1.2—1.8 m-kg, 104—156 in-lb)
76G01C-182
Fuel Feed Pipe and Oil Pipe
1. Install the fuel feed pipe and tighten bolt (A).
Tightening torque:
19—26 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
2. Install the oil pipe and loosely tighten the bolts (B).
76G01C-183
"m
fa?-^ lA-f! . 11
? - ' ~" ~ -'
Oil Level Gauge
Install the oil level gauge and stay.
Tightening torque:
8—12 N-m (80—120 cm-kg, 69—104 in-lb)
76G01C-184
1C-79

1 C ASSEMBLY (INJECTION PUMP)
Injection Pump
1. Install the injection pump with the injection pump
brakcet.
Tightening torque:
37—52
N m
(3.8—5.3 m-kg, 27—38 ft-lb)
Note
If the injection pump bracket and the injection
pump are separated, injection timing adjust-
ment is necessary after installing the timing
belt.
2. Connect the CSD water hose and fuel hoses.
Injection Pipe
1. Check that no dirt or other foreign material is on
the pipe coupling.
2. Install the fuel injection pipes.
Tightening torque:
25—29 Nm (2.5—3.0 m-kg, 18—22 ft-lb)
76G01C-186
m.«JL
Qja .

^ }
No.3 Engine Mount and Idler
Install the No.3 engine mount and idler.
Tightening torque:
37—52
N
m (3.8—5.3 m-kg, 27—38 ft-lb)
76G01C-187
1C—80

ASSEMBLY (TIMING BELT) 1 C
TIMING BELT
Torque Specifications
69G01B-160
Seal Plate
1. Install the seal plate.
Tightening torque:
8—12 N
m
(0.8—1.2 m-kg, 69—104 in-lb)
2. Check that the seal plate sealing rubbers are in-
stalled in position.

76G01C-200

1C—81

1C ASSEMBLY (TIMING BELT)
Rear Camshaft Pulley
1. Install the rear camshaft pulley.
2. Hold the camshaft with a wrench (29 mm, 1.14 in)
and tighten to the specification.
Tightening torque:
55—65 Nm (5.6—6.6 m-kg, 41—48 ft-lb)
76G01C-189
Camshaft Pulley
1. Connect the camshaft pulley onto the camshaft with
the semicircular (woodruff) key.
4BG01B-200
2. Hold the camshaft with a wrench (29 mm, 1.14 in),
tighten the camshaft pulley lock bolt.
Tightening torque:
55—65 Nm (5.6—6.6 m-kg, 41—48 ft-lb)
3. Align the mark on the camshaft pulley with the mark
on the seal plate.
76G01C-190
Injection Pump Pulley
1. Install the injection pump pulley with the semicir-
cular (woodruff) key to the injection pump shaft.
2. Rotate the injection pump pulley until the timing
marks are aligned.
3. Affix the injection pump pulley to the bracket us-
ing two bolts (35—40 mm, 1.4—1.6 in).
4. Tighten the lock nut.
Tightening torque:
59—69 N-m (6.0—7.0 m-kg, 43—51 ft-lb)
1C-82

ASSEMBLY (TIMING BELT) 1 C
63G01D-431
76G01C-191
76G01C-192
Timing Belt Tensioner
1. Install the tensioner spring onto the tensioner.
2. Install the tensioner assembly.
3. Temporarily secure it so the tensioner is shifted
outward.
Timing Belt
1. Return the crankshaft about 45° to the timing mark
on the oil pump housing.
2. Check that the timing marks of the camshaft pul-
ley and the injection pump pulley align with the tim-
ing marks on the seal plate.
3. Install the timing belt in the sequence shown in the
figure.
Caution
The timing belt must be reinstalled in the same
direction of rotation for continued durability.

76G01C-200

1C—83

1C ASSEMBLY (TIMING BELT)
jf^iLJF'
76G01C-194
Timing marks
Timing marks
76G01C-195
76G01C-196
4. Install the idler pulley.
Tightening torque:
37—52 N
m
(3.8—5.3 m-kg, 27—38 ft-lb)
5. Remove the two affixing bolts from the injection
pump pulley.
6. Loosen the tensioner lock bolt.
7. Turn the crankshaft twice in the direction of rota-
tion (clockwise).
Caution
Do not rotate in reverse direction.
8. Check that each timing mark is correctly aligned.
If not aligned, remove the timing belt. Repeat step
2-9.
9. Tighten the timing belt tensioner lock bolt.
Tightening torque:
37—52
N m
(3.8—5.3 m-kg, 27—38 ft-lb)
10. Check the timing belt tension.
If the tension is not correct, loosen the tensioner
lock bolt and repeat step 6—9, or replace the ten-
sioner spring.
Standard deflection:
9.0—11.5 mm (0.35—0.45 in)
/98 N (10 kg, 22 lb)
Caution
Be sure not to apply tension other than that
of the tensioner spring.
76G01C-197
1C-84