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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 COOLINGSYSTEM
LEAK TEST compressed air through radiator
6. Test again radiator for leakages
breather pipe until a pressure of
as described above and then refinish
98.1 + 107.9kPa; (0.9+ 1.0 bar;
I. Remove radiator from car (Refer radiator with black synthetic enamel.
1 + 1 .I kg/cm2 ; 14.22+ 15.64 psi) is
In case of leakages from radiator
to: Radiator Removal and Installa-
tion). reached. fitted with side tanks (with gaskets),
4. If leakages are found, clean area
replace the radiator.
2. Close radiator outlet and inlet
to be soldered by a wire brush and
unions. 7. Refit radiator to car (Refer to:
deoxidate by “baked” hydrochloricRadiator - Removal and Installation).
3. lmmerge radiator in a tank
acid (zinc chloride). Fill with coolant and check for
previously filled with water and
5. Solder the leaking area., leakages.
check for possible leakages inflating
ELECTRIC FAN CONTROL THERMAL CONTACT
CHECKS AND
REMO-VAL AND
INSPECTIONS
INSTALLATION
Check thermal contact according to
1. Drain coolant.
the following procedure:
2. Disconnect thermal contact ca-
bles. 1. Fit thermal contact@ to the
3. Unscrew thermal contact fromtest equipment used for thermostat
radiator. test.
2. Fill container with coolant and
4. Installation is carried out in
reverse order of removal. switch on equipment to heat water.
5. At the end of installation3. When warning light0 illumi-
fill the circuit with
procedure, nates, verify that temperature shown
on thermometer dial indicator corre-
coolant and let the engine rotates
sponds to the thermal contact setting
until coolant reaches the temperature
of 88+ 92°C (190.4+ 197.6”F) and value 88+ 92°C (190.4+ 197.6”F).
verify that electric fan inserts.
1 Warning light 2 Thermal contact
HEADER TANKPRESSURIZED PLUG
LEAK TEST
1. Screw fitting@ to test equip-
ment and insert on header tank
pressurited plug.
2. Act on tool to increase pressure
and check on dial indicator that
blowoff valve opens at the required
setting pressure.
Pressurited plug setting pressure
69.6 kPa; (0.69 bar;
0.7 kg/cm’ ; 9.95 psi) 1 Pipe fitting 2 Pressurized plug
May 1983 07-6
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year of production from: 1983
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Alfa Romeo 33 owners manual
pages 123 - 129
Alfa Romeo 33 owners manual
page 126 / 378
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