1992 MAZDA PROTEGE Workshop Manual

ASSEMBLY Bl
OWOBX-20
23UOBl-049
5. Install the rear cover.
Tightening torque:
7.8-l 1 N*m (80-l 10 cm-kg, 89-95 in-lb)
Oil Pump
1. Apply a small amount of clean engine oil to the lip of a new
oil seal.
2. Push the oil seal slightly in by hand.
Caution
l The oil seal must be pressed in until it is flush with
the edge of the oil pump body.
3. Press the oil seal in evenly with a suitable pipe.
Oil seal outer diameter: 44mm (1.73 in)
4. Install the oil pump and a new gasket.
Tightening torque:
19-25 N-m (1.9-2.8 m-kg, 14-19 ft-lb)
Caution
l Do not scratch the oil pump.
5. Cut away the portion of the gasket that projects from the
body toward the oil pan side.
Main Bearing Support Plate (MBSP)
1, Remove all foreign material from the contact surfaces of the
cylinder block and the MBSP.
Caution
l The oil pan must be secured within 5 minutes after
the sealant is applied to the MBSP.
2. Apply silicon sealant to the shaded areas shown in the figure.
81-75

Bl ASSEMBLY
3. Apply a continuous bead of silicone sealant to the MBSP
along the inside of the bolt holes,
4. Install the MBSP onto the cylinder block.
5. Tighten the MBSP bolts in two or three steps in the order
shown in the figure.
Tightening torque:
16-21 N.m (1.6-2.1 m-kg, 12-15 ft-lb)
Oil Strainer
1. Install the oil strainer and a new gasket.
Tightening torque:
7.6-11 N.m (60-110 cm-kg, 69-95 in-lb)
Oil Pan
1. Remove all foreign material from the contact surfaces.
2. Apply silicone sealant to the shaded areas shown in the
figure.
-137 3. Install new gaskets onto the oil pump body and the rear
cover with the projections in the notches shown in the figure.
81-76

ASSEMBLY Bl
05UOBX.21’
OYJOBX-21
23UOBl-07
23UOBl-Ot
4. Apply a continuous bead of silicone sealant to the oil pan
along the inside of the bolt holes and overlap the ends.
5. Install the oil pan.
Tightening torque:
7.8-l 1 N,m (80-l 10 cm-kg, 89-95 in-lb)
End Plate
1. Install the end plate.
Tightening torque:
7.8-l 1 N,m (80-l 10 cm-kg, 89-95 in-lb)
Flywheel (MTX)
1, Remove the sealant from the flywheel bolt holes in the crank-
shaft and from the flywheel bolts.
Caution
l If all the previous sealant cannot be removed from
a bolt, replace the bolt.
l Do not apply sealant if a new bolt is used.
2. Set the flywheel onto the crankshaft.
3. Apply sealant to the flywheel bolts and install them.
4. Hold the flywheel with the
SST or equivalent.
5. Tighten the bolts in two or three steps in the order shown.
Tightening torque:
98-103 N+m (9.8-10.5 m-kg, 71-78 ft-lb)
Clutch Disc and Clutch Cover (MTX)
1. Install the clutch disc and clutch cover using the SST or
equivalent. (Refer to Section H.)
Tightening torque:
18-28 N.m (1.8-2.7 m-kg, 13-20 ft-lb)
B-l -77

ASSEMBLY
23UOBi-08
0311081-14
Drive Plate (ATX)
1. Remove the sealant from the drive plate bolt holes in the
crankshaft and from the drive plate bolts.
Caution
l If all the previous sealant cannot be removed from
a bolt, replace the bolt.
l Do not apply sealant if a new bolt is used.
2. Install the adapter, drive plate, and backing plate onto the
crankshaft.
3. Apply sealant to the drive plate bolts and install them.
4. Hold the drive plate with the
SST or equivalent.
5. Tighten the bolts in two or three steps in the order shown.
Tightening torque:
96-103 N-m (9.6-10.5 m-kg, 71-76 ft-lb)
Water Pump
1. Remove all foreign material from the water pump mount-
ing surface.
2. Place a new water pump gasket in position.
3. Install the water pump.
Tightening torque:
19-25 N,m (1.9-2.6 m-kg, 14-19 ft-lb)
81-78

ASSEMBLY Bl
CYLINDER HEAD
Torque Specifications
I
36 SOHC 1
GASKET, NEW
,-’
/
76-81
, /
--.
/
(2.2-2.9, 16-21)
“,A
OIL SEAL,
NEW 49-61
(5.0-6.2, 36-45)
P- (80-110 cm-kg, 69-95 in-lb)
w GA&ET, NEW -
19-25 ;1.9-2.6, 14-19) 6.4-9.3 N.m
19-25
(65-95 cm-kg, 56-82 in-lb)
(1.9-2.6, 14-19)
N.m (m-kg, ft-lb
03UOBl-I(
1)
-I 43
81-79

Bl ASSEMBLY
BP SOHC
4.9-8.8 N.m
(50-90 cm-kg, 43-76 in-lb)
76-61
(7.7-8.3, 56-60)
49-61
(5.0-6.2, 36-45)

OIL SEAL, -‘L-l
3
NEW
/
I - GASKET, NEW
19-25 (1.9-2.6, 14-19) 6.4-9.3 N-m
(65-95 cm-kg, 56-62 in-lb) I
19-25
(1.9-2.6, 14-19)
N.m (m-kg, ft-lb)
03UOBl-211 3
Valve Seal
BP SOHC
1. Install the new valve seal onto the valve guide by hand.
2. After installation adjust the protrusion A to specification.
Protrusion
IN : 19.6-20.2mm (0.772-0.795 in)
EX: 18.1-l 8.7mm (0.713-0.736 in)

ASSEMBLY
03UOBi -144
03UOBl-214
GREATER THAN (i
CYLINDER HEAD SIDE
05UOBX-21
f36 SOHC
B6 SOHC
1. Assemble the SST so that depth L is as specified.
Depth L mm (in) 1 IN 14.9-15.2 (0.587-0.598)
EX 14.9-15.2 (0.587-0.598)
2. Slide the valve seal onto the valve guide.
3. Set the
SST against the valve seal.
4. Tap the valve seal on until the
SST contacts the cylinder
head.
Valve and Valve Spring
1. Install the lower spring seat.
2. Install the valve.
Caution
l Install the spring with the closer pitch toward the
cylinder head.
3. Install the valve spring and the upper spring seat.
4. Compress the valve spring with the
SST, and install the
valve keepers.
5. Remove the
SST.
6. Tap the end of the valve stem lightly two or three times with
a plastic hammer to verify that the keepers are all fully
seated.
131-81

Bl ASSEMBLY
Cylinder Head Gasket
1. Remove all foreign material from the top of the cylinder
block.
2. Place the new cylinder head gasket in position.
05UOBX-219
36 SOHC
Cylinder Head
1. Install the cylinder head.
2. Apply clean engine oil to the bolt threads and seat faces
3. Tighten the cylinder head bolts in two or three steps in the
order shown.
Tightening torque:
76-81 N.m (7.7-8.3 m-kg, 56-80 ft-lb)
3P SOHC OWOBX-221
03UOBl-205
Camshaft Oil Seal
1. Apply a thin coat of engine oil to the camshaft oil seal and
cylinder head.
2. Tap the camshaft oil seal into the cylinder head with a suita-
ble pipe.
Caution
. The oil seal must be tapped in until it is flush with
the cylinder head.
Oil seal outer diameter: 40mm (1.57 in)
--
Bl-82