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owners manual Alfa Romeo 33
owners manual Alfa Romeo 33 - year of production: 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 - Alfa Romeo 33 owners manual EN
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from owners manual to the vehicle Alfa Romeo 33, year of production 1983 - 1995:
ENGINE COOLING SYSTEM
CHECKS AND INSTALLATION pulley. For the timing and belt
INSPECTIONS keying procedure refer to: Group 00
- Engine Maintenance.
3. Refit front cover of camshaft
1. Fit water pump with new
The water pump cannot be over- belt, pulley, alternator, pump and
relevant gasket to block and tighten
hauled and in case of failure must: be alternator driving belt, in reverse
replaced. securing screws to specified torque
value. order of removal.
1. Check pump body and impeller 4. Stretch pump-alternator driving
for indications of wide oxidation and belt.
: Tightening torque
corrosion; if any, replace pump. For the stretching procedure of belt
2. Verify that there is no excessive Screws securing water pump refer to: -Group 00 - Engine Mainte-
play in the rotation and axial move- 19+24 N-m nance.
ment of impeller. (1.9 + 2.4 kg-m
13.74 + 17.35 ft.lb) 5. At end of pump installation,
pour the coolant and letting the
engine run for a few minutes check
2. Check correct timing of engine
and key camshaft belt on camshaft against coolant leakages.
THERMOSTAT
REMOVAL CHECKS AND
INSPECTlOONS
1. Drain coolant up to the lower
level of thermostat housing.
2. Detach coupling @ connecting
thermostat cover to radiator. Thermostat should be checked in
accordance with the following pro-
3. Screw out screws@ and
remove cover cedure:
3 with relevant
0 1. Fit thermostat@ to suitable
gasket @ _
test equipment.
4. Withdraw thermostat@ from
Imousing @ . 2. Fill container with water and
switch on equipment to heat water.
3. Check that, when thermostat
opens, temperature value read on
thermometer @ dial indicator is
84 + 88°C (183.2 + 190.4”F).
4. Additionally check that thermo-
stat is fully open at98°C (208.4”F)
and valve travel greater than 7 mm
(0.28 in).
1 Thermometer
If above values are not met, thermo- 2 Thermostat
stat must be replaced.
1 Coupling 5 Washer
2 Clamp 6 Thermostat
3 Cover 7 Gasket
4 Screw 8 Housing
May 1983 07-4
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Alfa Romeo 33 owners manual
pages 122 - 128
Alfa Romeo 33 owners manual
page 125 / 378
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