1987 MAZDA 626 belt

INSPECTION AND REPAIR 1 B
Caution
a) Never forcefully twist, turn inside out, or
bend the timing belt.
b) Be careful not to allow oil or grease on the
belt.
86U01X-114
Timing Belt Tensioner and Idler Pulley
Check the timing belt tensioner and idler pulley for
smooth rotation and abnormal noise. Replace if
necessary.
Caution
Do not clean the tensioner with cleaning
fluids. If necessary, use a soft rag to wipe it
clean, and avoid scratching it.
86U01X-115
Timing Belt Tensioner Spring
Check the free length of the tensioner spring. Replace
if necessary.
Free length: 53.3 mm (2.098 in)
76G01B-126
Timing Belt Pulley and Camshaft Pulley
Inspect the pulley teeth for wear, deformation, or other
damage. Replace if necessary.
Caution
Do not clean the pulley with cleaning fluids.
If necessary, use a rag to wipe it clean.
Timing Belt Cover (lower and upper)
Inspect the timing belt covers for damage or cracks.
Replace if necessary.
86U01X-101
1B—47

1 B ASSEMBLY (TIMING BELT)
TIMING BELT
Torque Specifications
47-65 N m (4.8—6,6 m-kg, 35—49
7—10 N-m (70—100 cm-kg, 61—87 in-ll'
12—17 Nm (1.25—1.75 m-kg, 109—152 in-lbj
167—167 N*m (16.0-17.0 m-kg, 116—123 tt-tti)
1B—64
69G01B-160

ASSEMBLY (TIMING BELT) 1 B
Camshaft Pulley
1. Install the camshaft pulley on the camshaft with the
dowel pin fit into the hole at the I mark (intake side)
and E mark (exhanst side).
76G01B-127
2. Tighten the camshaft pulley lock bolt.
Tightening torque:
47—65 Nm (4.8—6.6 m-kg, 35—48 ft-lb)
76G01A-141
3. Align the mating mark on the camshaft pulleys with
the alignment mark on the seal plate.
Note
For intake side camshaft pulley, align "I"
mark.
For exhanst side camshaft pulley, align "E"
mark.
76G01B-094
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.
86U01X-160
1B—65

1 B ASSEMBLY (TIMING BELT)
69G01B-165
76G01B-095
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 so that there is no looseness
at the tension side, and at the two camshaft pulleys.
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. Turn the crankshaft to align the S mark of the right
side camshaft pulley with seal plate mating mark.
6. Tighten the timing belt tensioner lock bolt.
Tightening torque:
37—52
N
m (3.8—5.3 m-kg, 27—38 ft-lb)
76G01B-096
1B-66

ASSEMBLY (TIMING BELT) 1 B
76G01B-097
86U01X-163
7. Check the timing belt deflection. If the deflection
is not correct, loosen the tensioner lock bolt and
repeat steps 3—5 above. Replace the tensioner
spring if necessary.
Belt deflection:
7.5—8.5 mm (0.30—0.33 in)
/ 98 N (10 kg, 22 lb)
Baffle Plate
Position the baffle plate on the timing belt pulley.
Timing Belt Cover
Install the lower timing belt cover, upper timing belt
cover, and new gaskets.
Tightening torque:
7—10 Nm (70—100 cm-kg, 61—87 in-lb)
Crankshaft Pulley
Install the crankshaft pulley.
Tightening torque: 12—17 N-m
(1.25—1.75 m-kg, 109—152 in-lb)
69G01B-170
1B—67

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 1B
P/S Oil Pump
1. Install the P/S oil pump.
Tightening torque:
31—46
N
m (3.2—4.7 m-kg, 23—34 ft-lb)
2. Tighten the pulley lock nut.
Tightening torque:
39—59 Nm (4.0—6.0 m-kg, 29—43 ft-lb)
86U01X-18S
86U01X-190
A/C Compressor
1. Install the A/C compressor strap to the P/S oil pump
bracket.
Tightening torque:
19—25 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
2. Install the A/C compressor bracket.
Tightening torque:
37—63 N-m (3.8—6.4 m-kg, 27—46 ft-lb)
3. Install the A/C compressor.
4. Install the A/C compressor upper bracket.
Tightening torque:
37—63 N-m (3.8—6.4 m-kg, 27—46 ft-lb)
5. Tighten to the lock nut and mounting bolts.
Tightening torque:
37—52
N
m (3.8—5.3 m-kg, 27—38 ft-lb)
Drive Belt
Install the drive belt and adjust the belt deflection. (Re-
fer to page 1B—6.)
76G01B-109
1B—77

ENGINE
(DIESEL)
OUTLINE 1C— 2
STRUCTURAL VIEW 1C— 2
SPECIFICATIONS 1C— 3
TROUBLESHOOTING GUIDE 1C— 3
TUNE-UP PROCEDURE 1C— 5
ON-VEHICLE INSPECTION 1C—10
COMPRESSION 1C—10
ON-VEHICLE MAINTENANCE 1C—11
TIMING BELT 1C—11
CYLINDER HEAD 1C—16
VALVE SEAL 1C—24
REMOVAL 1C—31
DISASSEMBLY 1C—34
AUXILIARY PARTS 1C—34
TIMING BELT 1C—36
INJECTION PUMP 1C—39
CYLINDER HEAD 1C—40
CYLINDER BLOCK 1C—43
INSPECTION AND REPAIR 1C—47
ASSEMBLY 1C—62
CYLINDER BLOCK 1C—62
CYLINDER HEAD 1C—73
INJECTION PUMP 1C—78
TIMING BELT 1C—81
AUXILIARY PARTS 1C—87
INSTALLATION 1C—91
TRANSAXLE ASSEMBLY 1C—91
ENGINE INSTALLATION 1C—92 76G01C-001