Peugeot 205. Manual — part 23
4A
Chapter 4 Part A:
Fuel system - carburettor engines
General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear-mounted fuel tank, mechanical or electric fuel pump, single or
twin carburettor
Carburettor
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fixed jet, downdraught
Application:
XV8 (954 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 32 PBISA
XW7 (1124 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 32 PBISA
XY7 (1360 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 34 PBISA
XY8 (1360 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 35 PBISA 8 or Weber 35 IBSH
XU51C (1580 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weber 36 TLC
TU1 (1124 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 32 PBISA 16, Weber 32 IBS 15 or Weber 32 IBSH 17
TU3 (1360 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weber 34 TLP3
TU3A (1360 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 34 PBISA 17
TU3A/K (1360 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 34 PBISA 17
TU3S (1360 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 32-34 Z2
TU3S/K (1360 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 32-34 Z2
TU9 (954 cc) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solex 32 PBISA 16 or Weber 32 IBSH 16
Carburettor data
Calibrations and settings:
XV8
XW7
XY7
Venturi diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25 mm
25 mm
26 mm
Main jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
120 ± 5
125 ± 5
130 ± 25
Air correction jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
155 ± 20
175 ± 20
160 ± 20
Idling fuel jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44 ± 5
42 ± 5
45 ± 5
Acceleration pump injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35 ± 5
32 ± 5
40 ± 5
Enriched calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55 ± 20
60 ± 20
75 ± 20
Needle valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6 mm
1.6 mm
1.6 mm
Initial throttle opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20°40’ ± 30’
20°40’ ± 30’
20°40’ ± 30’
Idling speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
650 ± 50 rpm
650 ± 50 rpm
650 ± 50 rpm
CO% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 ± 0.5
1.5 ± 0.5
1.5 ± 0.5
Air cleaner assembly - removal and refitting . . . . . . . . . . . . . . . . . . . 2
Air cleaner element renewal . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Carburettor - fault diagnosis, overhaul and adjustments . . . . . . . . . 10
Carburettor - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Choke cable - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . 4
Fuel gauge sender unit - removal and refitting . . . . . . . . . . . . . . . . . 6
Fuel pump - removal, overhaul and refitting . . . . . . . . . . . . . . . . . . . 5
Fuel tank - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
General fuel system checks . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
General information and precautions . . . . . . . . . . . . . . . . . . . . . . . . 1
Idle speed and mixture adjustment . . . . . . . . . . . . . . . . .See Chapter 1
Inlet manifold - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . 11
Throttle cable - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . 3
Underbody and fuel/brake line check . . . . . . . . . . . . . . .See Chapter 1
Underbonnet check for fluid leaks and hose condition . .See Chapter 1
Unleaded petrol - general information and usage . . . . . . . . . . . . . . . 8
4A•1
Specifications
Contents
Easy, suitable for
novice with little
experience
Fairly easy, suitable
for beginner with
some experience
Fairly difficult,
suitable for competent
DIY mechanic
Difficult, suitable for
experienced DIY
mechanic
Very difficult,
suitable for expert DIY
or professional
Degrees of difficulty
5
4
3
2
1
Carburettor data (continued)
Calibrations and settings:
XY8
XY8
XU51C
Solex
Weber
Venturi diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28 mm
26 mm
28 mm
Main jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
145 ± 10
130 ± 5
137/42
Air correction jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
175 ± 10
165 ± 15
150 ± 10
Idling fuel jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47 ± 5
45 ± 5
48 ± 1
Emulsion tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-
F104
F80
Acceleration pump injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40 ± 10
45 ± 5
40
Needle valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 mm*
-
-
Initial throttle opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15°
-
-
Normal idling position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7°45’
-
-
Choke opening after starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 mm ± 0.3
3.25 mm
-
Float level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-
9.0 mm
28.0 mm
Idling speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
950 to 1000 rpm**
975 ± 25 rpm
750 rpm
CO% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.0 ± 0.5
2.0 ± 0.5
1.5 ± 0.5
*1.2 mm from serial number 5043526
**850 to 900 rpm from serial number 5043526
TU9
TU9
Weber
Solex
Venturi diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25
25
Main jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
122
127.5 ± 2.5
Air correction jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
135
155 ± 10
Emulsion tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F112
31
Enrichener drilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
-
Idling fuel jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45
47 ± 4
Idling air jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
150
135 ± 10
Accelerator pump injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40
40 ± 5
Fuel inlet needle valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
1.6
Float setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.0 mm
-
Idling speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
700 rpm
700 rpm
CO% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
1.5 ± 0.5
TU1
TU1
TU1
Weber 32IBS15
Weber 32IBSH17
Solex
Venturi diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
25
25
Main jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
140 ± 5
132
127.5 ± 2.5
Air correction jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
180 ± 15
165
175 ± 10
Emulsion tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F102
F100 EM
-
Enrichener drilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 ± 10
50
35 ± 5
Idling fuel jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45 ± 5
45
46 ± 4
Idling air jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-
170
165 ± 10
Accelerator pump injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45 ± 10
40
40 ± 10
Fuel inlet needle valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
1.5
1.6
Float setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.0 mm
-
-
Idling speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
700 rpm
700 rpm
700 rpm
CO% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.0
1.5 ± 0.5
1.5 ± 0.5
TU3
TU3A and
TU3S and
TU3A/K
TU3S/K
Venturi diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
26
24/27
Main jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
132 (127)*
132
117/130
Air correction jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
145
155
145/170 (155/175)*
Emulsion tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F80 (F115)*
EC
27/AZ
Enrichener drilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40
55
-
Idling fuel jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43 (45)*
44 ± 2
44/80 (44/100)*
Idling air jet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
140(130)*
140
190/150
Accelerator pump injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40
40
35/35
Fuel inlet needle valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
1.6
1.8
Float setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28.0 mm
28.0 mm
-
Idling speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
700 rpm
750 rpm
750 rpm
CO% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 ± 0.5
1.0
1.5 ± 0.5
*1988 models onward
Recommended fuel
Minimum octane rating (see text Section 8) . . . . . . . . . . . . . . . . . . . . . .
97 RON leaded or 95 RON unleaded
Torque wrench settings
Nm
lbf ft
Carburettor nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
13
Fuel pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
13
4A•2 Fuel system - carburettor engines
1
General information and
precautions
General information
The fuel system consists of a fuel tank
mounted under the rear of the car, a
mechanical fuel pump, and a single or twin
downdraught carburettor.
On manual transmission and early automatic
transmission models, the fuel pump is
operated by an eccentric on the camshaft, and
is mounted on the rear of the cylinder head. On
automatic transmission models manufactured
from November 1986, an electric fuel pump
submerged in the fuel tank is fitted instead of
the previous mechanical type. The two relays
which supply the pump are located on the side
of the heater. One relay incorporates a safety
feature, in that its primary windings are
short-circuited to earth via the engine oil
pressure switch. When the engine is stationary,
this relay will not operate the fuel pump, but as
soon as the engine is running it will supply
current to the pump. The other relay operates
in conjunction with the starter motor to operate
the fuel pump for starting.
A number of different Solex and Weber
carburettors may be encountered and their
type and engine applications are shown in the
Specifications. All carburettors are of the fixed
jet downdraught type with either manual or
automatic choke arrangements. XY8 engine
models utilise a twin carburettor configuration.
The air cleaner contains a disposable paper
filter element, and on certain models
incorporates a flap valve air temperature
control system; this allows cold air from the
outside of the car, and warm air from the
exhaust manifold, to enter the air cleaner in
the correct proportions.
Precautions
Warning: Petrol is extremely
flammable - great care must be
taken when working on any part
of the fuel system. Do not smoke
or allow any naked flames or uncovered
light bulbs near the work area. Note that
gas powered domestic appliances with pilot
flames, such as heaters, boilers and tumble
dryers, also present a fire hazard - bear this
in mind if you are working in an area where
such appliances are present. Always keep a
suitable fire extinguisher close to the work
area and familiarise yourself with its
operation before starting work. Wear eye
protection when working on fuel systems
and wash off any fuel spilt on bare skin
immediately with soap and water. Note that
fuel vapour is just as dangerous as liquid
fuel; a vessel that has just been emptied of
liquid fuel will still contain vapour and can
be potentially explosive. Petrol is a highly
dangerous and volatile liquid, and the
precautions necessary when handling it
cannot be overstressed.
Many of the operations described in this
Chapter involve the disconnection of fuel
lines, which may cause an amount of fuel
spillage. Before commencing work, refer to
the above Warning and the information in
“Safety first” at the beginning of this
manual.
When working with fuel system
components, pay particular attention to
cleanliness - dirt entering the fuel system
may cause blockages which will lead to
poor running.
2
Air cleaner assembly -
removal and refitting
1
Removal
All engines except TU series
1 Disconnect the inlet and warm air hoses.
2 Release the rubber straps from the
mounting brackets (see illustration).
3 Lift the air cleaner from the brackets then
disconnect the outlet hose and where fitted,
the crankcase ventilation hose.
4 If necessary, unbolt the mounting brackets
- noting the location of the diagnostic socket
and cable retaining brackets (see
illustrations).
TU series engines
5 Loosen the screw and release the air
cleaner ducting from the carburettor (see
illustration).
6 Disconnect the crankcase ventilation hose
(see illustrations) from the valve cover and
inlet manifold.
Fuel system - carburettor engines 4A•3
4A
2.6b . . . and inlet manifold
2.6a Disconnect the crankcase ventilation
hose from the valve cover . . .
2.5 On TU series engines, slacken the air
cleaner and release the ducting from the
carburettor
2.4b . . . and cable retaining bracket
2.4a Air cleaner mounting bracket bolt
(arrowed) . . .
2.2 On all engines except TU series,
release the air cleaner rubber straps from
the mounting brackets
7 Release the spring clips, and lift the
element and ducting from the air cleaner body
(see illustrations).
8 Disconnect the fuel pump inlet hose, and
release it from the clip on the ducting.
9 Disconnect the hose from the vacuum
motor (see illustration).
10 Disconnect the inlet and warm air hoses.
11 Remove the special clip, then lift the air
cleaner and ducting from the mounting on the
starter motor.
Refitting
All engines
12 Refitting is a reversal of removal.
3
Throttle cable - removal and
refitting
2
Removal
1 The throttle cable is connected to a
spring-loaded reel which pivots on the face of
the cylinder head. On certain models, the reel
then operates the throttle lever on the
carburettor through a plastic balljointed
control rod.
2 Extract the spring clip from the adjustment
ferrule at the cable bracket on the cylinder
head. Release the cable end fitting from the
linkage.
3 Working inside the car, disconnect the
cable end fitting from the top of the
accelerator pedal arm.
4 Release the cable from the engine bracket.
5 Withdraw the throttle cable through the
bulkhead grommet.
Refitting
6 Refitting is a reversal of removal, but adjust
the cable at the ferrule to remove all but the
slightest amount of play. Check that full
throttle can be obtained with the accelerator
pedal fully depressed.
4
Choke cable - removal and
refitting
2
Removal
1 Remove the carburettor inlet cowl.
2 Unscrew the pinch bolts and disconnect
the inner and outer cables from the lever and
bracket (see illustration).
3 Release the cable from the clips in the
engine compartment.
4 Working inside the car, disconnect the
warning lamp wiring and detach the cable
from the support bracket.
Refitting
5 Refitting is a reversal of removal, but adjust
the cable at the carburettor end so that, when
the control knob is pushed fully in, the choke
valve plate is fully open.
5
Fuel pump - removal,
overhaul and refitting
3
Note: Observe the precautions in Section 1
before working on any component in the fuel
system.
Mechanical fuel pump
Removal
1 Disconnect the battery negative lead.
2 Where necessary for improved access,
remove the air cleaner assembly as described
in Section 2.
3 Disconnect the fuel hoses from the pump.
Plug the inlet hose.
4 Unscrew the pump mounting bolts and lift
the pump away (see illustrations).
5 Remove the gasket.
6 Once the pump is removed on XV, XW and
XY series engines, the pushrod may be
withdrawn.
7 If the pump is to be dismantled, remove the
cover, gasket and filter screen (see
illustrations). Note that dismantling can only
be undertaken on the pump fitted to XV, XW
and XY series engines; The TU series engine
pump is a sealed assembly and no repair or
overhaul is possible.
Overhaul
8 Scribe a mark across the edges of the
upper and lower body flanges and extract the
flange screws.
4A•4 Fuel system - carburettor engines
2.7a Release the spring clips . . .
2.7b . . . and remove the air cleaner
ducting and element from the body
2.9 Disconnect the hose from the vacuum
motor
4.2 Disconnect the choke inner and outer
cables from the lever and bracket - twin
carburettor installation shown
5.4a Removing the fuel pump on TU series
engines . . .
5.4b . . . and XV, XW and XY series
engines
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст