engine MAZDA 232 1990 Suplement Service Manual

INSTALLATION B2
PROCEDURE
1. Tighten a/ b&s and nuts to the specified
torques.
Step 1
I. Connect the engine and transaxie.
Torque Specifications
-38)
M-89 (6.5L9.l) 47-66)

B2 INSTALLATION
Step 2
Warning
l Be sure the vehicle is securely supported on safety stands.
Torque Specifications
19-S (1.9-2.6, 14-l 9)
55-99 (5.6-8.2, 41-59)
I
74-2 03
(7,5-10.5, 54-76
6.9-9.8 N-m
16-23 (T.6-2.3, 12-17)
19-26 (1.9-2.6, 14-l 9)
9 (6.5-9.1, 4766)
64-89 (6.&9.*, 47-56)
Engine and transaxle assembly
Caution
l Do not damage any camponents in the engine com-
partment.
I. Install the engine and transaxle assembly.
93G052-756 B2-24

INSTAlLATION B2
93X82-72!
93G0BZ757
-
J 93GO32-730
Alternator and drive belt
1. Monut the alternator to the engine.
Tightening torque
@: 19-25 N-m (1.9-2.6
m-kg, 14-19 ft-lb)
@J: 37-52 N-m (3.8-5.3 m-kg, 27-38 ft-lb)
2. Install the drive belt. (Refer to page 82-Z)
Engine mount, clutch release cylinder
and engine mount
member
1. Install the No.3 engine mount rubber, and loosely tighten
the bott and nuts.
2. Install the No.4 engine mount rubber and bracket assem-
bly, and loosely tighten the bolts and nuts.
3. lnstalt the clutch release cylinder and pipe bracket assembly.
Tightening torque
@: 16-23 Nm [I .6-2.3 m-kg, 12-17 ft-lb)
0: 6.9-9.8 N-m (70-100 cm-kg, 61-87 in-lb)
4. Install the No.2 engine mount rubber and bracket assembly.
Tightening torque:
37-52 Nrn (3.8-5.3 m-kg, 27-38 R-lb)
B2-25

INSTALLATION
5. Align the engine mount member to the No.1 and No.2 en-
gine mount boIts, and loosely tighten the nuts.
6. k-&all and tighten the engine mount member bolt and nuts.
Tightening torque:
64-89 N-m (6-509.1 m-kg, 47-66 Mb)
7. Tighten the No.1 and No.2 engine mount nuts.
Tightening torque:
37-52 N-m (3.8-5.3 m-kg, 27-38 ft-lb)
8. Tighten bolts @ in two or three steps in the order shown.
Tightening torque:
43-61 Nom (4.4-6.2 m-kg, 32-43 ft-lb)
9. Tighten nuts @.
Tightening torque:
67-93 N-m (6.8-9.5 m-kg, 49-69 f%(b)
03UOBX-828 IO. Tighten the No.3 engine mount nuts @.
93G052-731
93GOB2-73;
Tightening torque:
74-103 N-m (7.5-10.5 m-kg, 54-76 ft-Ib)
11. Tighten No.3 engine mount nut @.
Tightening torque:
67-93
N-m (6.8-9.5 m-kg, 49-69 ftdb)
12. Install the dynarpic damper.
Tightening torque:
55-80 Nom (5.6-8-2 m-kg, 41-59 ft-lb)
13. Remove the chain hoist.
Intercooler bracket
1, Install the intercooler bracket.
Tightening torque:
19-25 him (1.9-2.6 m-kg, 14-I 9 ft-lb)

82 INSTALLATION
Steps after installation
1. If the engine oil was drained, refill with the specified amount and type of engine oil.
2. Fill the radiator with the specified amount and type of engine coolant.
3. Fill the transaxie with the specified amount and type of transaxle oil. (Refer to page J3-36.)
4. Connect the negative battery cable.
5. Start the engine and check the following:
(I) Engine oiI, transaxle oil, and engine coolant for leakage
(2) Ignition timing and idle speed
(3) Operation of emission control system
6. Perform a road test.
7. Recheck the engine oil and engine coolant levels.
93G032-747
-
BZ-34

D OUTLINE
OUTLINE
BUTLINE OF CONSTRUCTION
The
lubrication system of the 323 4WD engine is the same as for the 2WD model.
The Bf DOHC turbocharged engine oil circulation path is different than that of the BP DOtiC non-turbocharged
engine
because of the turbocharger lubrication.
LlJBRICATtON ClRCUlT 93GODX-702
o-2 93GODX.70:

E tNDEX
INDEX
-
- &ANT RESERVOlR
ENGiNE COOLANT
TOTAL CAPACITY
MTX: 5.0 liters (5.3 US qt, 4.4 Imp qt)
ATX: 6.0 liters (6.3 US qt. 5.3
tmp qt)
1. Fan motor
Inspection .._.....,._............._..........
page E-1 I
E-Z

E OUTLINE
OUTLINE
OUTttNE OF CONSTRUCTION
The cooling system in the 323 4WD model is basically the same as in the 323 2WD model.
Although there is no fundamental change from the BP DOHC of the 2WD model, the coolant circulation
path has been changed to direct coolant to the water-cooied turbocharger.
A two-stage thermostat is used in the BP DUHC turbocharged engine to stabilize the engine coolant tem-
peratu re.
The radiator and cooling fan specifications are different. The BP DOHC turbocharged engine of the 4WD
model uses a two-speed electric cooling fan.
93GOEX-704
COOLANT FLOW CHART (BP DOHC TURBO)
E-4

SPECIFICATlONS
-
km
Cootlng system
Coolant camacltv
EnginelTtansaxte
lrters [US Qt. Imo at)
8P SOHC ] 8P DOW Turbo
MTX ATX
I MTX
Water-cooled, forced crrculation
5.0 (5.3, 4.4)
I 6.0 t&3,5.3) -
1 Type
Water puma 1
I Water seal Centrifugal
Unified mechanical
seal
: Type I Wax,single stage”‘, Wax, two-stage*’ 1 Wax, two-stage
80.5-83.5 (177-182)“1
Opening temperature
“C (OF)
Main: 86.5-89.5 (188-l 93) *’ Main: 86.5-89.5 (lSS--193)
The:mosta! 1 Sub : 83.5-86.5 (182-188) Sub 83.G86.5 (182-188)
1 Full-open temperature OC
(OF) 95 (203)*‘, 100 (212)*’ i 100 (212)
L I
“...Except cold area, *2...Cotd area only
1 r 1 93GOEX-706 j Full-open lift mm (in) 8.5 (0.335) or more’l
Main: 8.0 (0.31).mln.‘2
Sub : 1.5 10.061 min * Main: 8.0 (0.31) min.
Sub : I.5 (0.06) mm.
Radiator 1 Type
Cap vaive opening-pressure ’
kPa (kglcm2, psi) Corrugated fin
74-l 03 (0.75-I .05, 11-l 5) j Tvm?
EIectnc I
Coohg fan f Outer drameter mm (in) 320 (12.6) 340 (13.4)
Blade
Number 4 5
Motor
/ Current A
6.6 * 1 Hi : 13.3 + 10% max.
Lo: 8.8 + 10% max. E-5

E OUTlANE
TWO-STAGE THERMOSTAT (BP DOHC TURBO)
MAIN VALVE
SINGLE-STAGE THERMOSTAT
(AMBIENT fEMP. -20% (4*f))
NTRANCE PORT TEMP
GINE EXIT PORT TEMP.
- 100 km/h
60 kndh
(63 mph) ~~~~~ (38 mph)
TWO-STAGE THERMOSTAT
A sub-valve is incorporated in the thermostat to stabilize the coolant temperature in the engine, to improve
cold weather performance, and to reduce heater output temperature fluctuations as noted in the diagram.
Operation
Stage 1
During cold weather operation, 83.5*C [182°F]-86.50C [t 88OF] only the sub-valve opens to control the
engine coolant temperature.
Stage 2
During normal operation, 86.5OC (1 88°F)-89.50C (I 93OF) the main valve opens to permit increased coul-
an: flow through the radiator.
E-6