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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:
FUEL SYSTEM
TIGHTENING TORQUES
Unit
Item N-m kg.m ft-lb
Carburerors retaining nuts
TROUBLE DIAGNOSIS AND CORRECTIONS
Condition Probable cause Corrective action
Fuel leakage l Needle valve is dirty or its seat isThoroughly clean petrol filter and
loose on thread needle valve; tighten seat firmly: if
necessary, replace it with a new one
(original parts)
l Float sticks (hard on pin or sides) orFree the float and adjust its move-
is heavy ment: if necessary replace it (original
parts)
l Pipes improperly tightened or broken Tighten pipes and unions or replace
defective ones
l Gaskets are hard, worn or improperly Replace gaskets and tighten them
tightened properly
Replace diaphragm
l Acceleration pump diaphragm is
l Fuel pump or pipes are overheated Let bubbles out and try to eliminate
overheating causes
Overhaul pump replacing defective
l Fuel pump is mechanically defective
components or replace the whole
pump
Thoroughly clean pipes, filter and
l Pipes, fuel filter or carburetor ducts
carburetor
are clogged by foreign matter
l Fuel tank breather hose is clogged or Unclog breather hose and eliminate
water also from pipes and from car-
there is a water deposit on tank
bottom buretor float chamber
Restore proper fuel level in float
Cold starting is difficult or l Having verified that fuel level in float
impossible chamber is absolutely correct, pro- chamber
teed to check following possible
carburetor troubles.
l Starting control cable does not slideRepair or replace cable
freely, is broken, unhooked, etc.
Free choke movement
l Choke sticks so that it tends to stay
either fully open or fully closed
Clean or replace jet
l Starting jet, if any, is dirty or has
been tampered with
I I
May 1983 04-24
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year of production from: 1983
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Alfa Romeo 33 owners manual
pages 84 - 90
Alfa Romeo 33 owners manual
page 87 / 378
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