1987 MAZDA 626 engine

1 C ON-VEHICLE MEINTENANCE (VALVE SEAL)
3. Install the spring seat, valve springs and valve
keepers with the SST.
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Tappet and adjusting disc
1. Apply engine oil to the tappets.
2. Install the tappets in the hole.
3. Install the adjusting discs.
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Camshaft and camshaft cap
1. Move the No.1 piston to TDC, and then rotate
the crankshaft approximately 45°
76G01C-061
' Apply sealant
2. Apply engine oil to the camshaft and the journals.
3. Apply a coat of sealant to the shaded areas as
shown in the figure.
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1C-28

ON-VEHICLE MAINTENANCE (VALVE SEAL) 1 C
4. Set the camshaft and camshaft cap so that the key
groove faces directly upward.
And tighten the cap nuts loosely.
5. Apply a coat of engine oil to the new oil seal lip
and insert it.
76G01C-063
6. Tighten the camshaft cap nuts gradually and in the
order shown in the figure.
Tightening torque:
20—26 N-m (2.0—2.7 m-kg, 14—20 ft-lb)
76G01C-064
Camshaft pulley and rear camshaft pulley
Hold the camshaft with a wrench (29 mm, 1.14 in),
tighten the camshaft pulley and rear camshaft pul-
ley lock bolts.
Tightening torque:
55—65 N-m (5.6—6.6 m-kg, 41—48 ft-lb)
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1C—29

1 C ON-VEHICLE MAINTENANCE (VALVE SEAL)
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. (Refer to TIMING BELT of
ON-VEHICLE MAINTENANCE)
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Valve clearance
Measure the valve clearance, and adjust if necessary.
(Refer to page 1C—85).
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Gasket
Head cover App|y sealant
Cylinder head cover
1. Remove the rag pluged oil return hole.
2. Apply sealant to the shaded areas as shown in the
figure.
3. Install the cylinder head cover.
Tightening torque:
7—10 Nm (70—100 cm-kg, 61—87 in-lb)
4. Perform the necessary engine adjustments by
referring to TUNE-UP PROCEDURE section.
76G01C-069
1C-30

REMOVAL 1C
REMOVAL
1. Disconnect the negative battery cable.
2. Drain the engine oil and coolant.
3. Remove in the sequence shown in the figure referring to the removal note for specially marked parts.
76G01C-071
1. Battery and battery carrier
2. Accelerator cable
3. Air cleaner assembly
4. Radiator harness
5. Radiator hose
6. Radiator and cooling fan
7. Brake vacuum hose
8. Intercooler pipe and hose*
9. Fuel hose
10. Drive belt cover
Note
11. P/S pump
12. No.4 engine mount
13. Clutch release cylinder
14. Speedometer cable
15. Transaxle harness
16. A/C compressor
17. Engine harness
18. Heater hose
19. Front wheel
20. Engine side cover
21. Tie-rod end
22. Stabilizer control rod
23. Lower arm bushing
24. Driveshaft
25. Change rod
26. Extension bar
27. Exhaust pipe and stay
28. Engine mount
29. Engine and transaxle
30. Transaxle
marked parts are equipped only for RF-CX.
1C-31

REMOVAL 1C
Transaxle
Separate the transaxle from the engine in the sequence shown in the figure.
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1. Starter 4. Clutch under cover
2. Water pipe 5. Transaxle
3. Gusset plate
1C-33

DISASSEMBLY (AUXILIARY PARTS) 1 C
1. A/C compressor bracket 9. Alternator and drive belt
2. Vacuum pump and drive belt 10. Oil filter
3. Air funnel assembly 11. Oil filter cover
4. Comprex supercharger insulator 12. Oil cooler assembly
5. Comprex supercharger and drive belt 13. Exhaust pipe bracket
6. Exhaust manifold insulator 14. Alternator bracket
7. Exhaust manifold 15. Blow-by chamber
8. Intake manifold
Blow-by chamber
76G01C-074
Disassembly Note
Engine hanger
1. Remove the CSD hose.
2. Loosen the vacuum pump oil pipe bolts.
76G01C-075
3. Install the engine on the SST.
76G01C-076
1C—35

DISASSEMBLY (TIMING BELT) 1 C
76G01C-246
76G01C-078
76G01C-247
Disassembly Note
Crankshaft pulley
1. Set the SST against the flywheel.
2. Remove the crankshaft pulley.
Timing belt
1. Draw a direction arrow in the direction of engine
revolution on the timing belt, if the timing belt is to
be reused.
2. Loosen the timing belt tensioner bolt.
3. Shift the tensioner outward as far as possible and
temporarily tighten it.
4. Remove the timing belt, tensioner and spring.
Caution
Do not allow any oil or grease on the timing
belt.
5. Turn the crankshaft about 45° from the timing mark
which is marked on the oil pump housing.
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1C-37

DISASSEMBLY (INJECTION PUMP) 1 C
INJECTION PUMP
76G01C-082
1. No.3 engine mount and idler
2. Injection pipe
3. Injection pump
4. Oil level gauge and stay
5. Oil pipe
6. Fuel feed pipe
7. Oil pressure switch
8. Water pipe
9. Water pump
Disassembly Note
Injection pump
Remove the injection pump with its brackets.
If separate them, adjust the injection timing after in-
stalling the timing belt referring to Section 4D.
76G01C-083
1C-39