fuel pressure VOLVO 940 1982 Service Repair Manual

70019401960 Specifications
Section 2 B 19, B 23 Engines
Section 2 B 19, B 23 Engines
Group 20 General ................................ 15
Group
21 Engine assembly ........................ 16
Group 22 Lubricating system
....................... 20
Group 23 Fuel system ............................ 21
Group 25 Intake and exhaust systems .............. 31
Group 26 Cooling system .......................... 32
Group 28
Ignition system .......................... 33
j'"
I.t
Group 20 General ~ :,
129750
Performance , compression ratios, octane requirements
Engine Remarks Compres-Octane
Output Max torque
type sion
ratio r
equire-
ment
kWat hp at
r/s r/min
819E 10.0:1 98 86/100
117/6000
819ET 7.5:1 98 110/92
150/5500
823E Scandinavia, Switzerland 10.3:1 96 95/88 129/5250
Other markets 10.0:1 98 96/90 131/5400
823ET 9.0:1 981 127/95 173/5700
823FT 8.7:1 912
• 3 117/88 160/5300
1575/5300
1) Australia 97-98 octane 2) Unleaded
petrol (gasoline) 91 octane RON (Research Octane Number). AKI = 87, according to R+2M where M stands for Motor Octane Number
. "
Nm at
r/s
158/50
230/60 190/50
190/60
250/57
250148
3) Fill with premium unleaded petrol (gasoline) (AKI = 91) to improve performance and driveability at altitudes in excess of 2000 It (600 m) in warm climates 4) Ft Ib 5) Horse power.
Other general data
No. of cylinders ............................................. .
Bore .
............................................. .. mm (in)
Stroke ..
.... ......................................... mm (in)
Displacement. ...................................... dm3 (litre)
Firing order ................................................. .
Compression pressure1) ..
............................ MPa (psi)
Max . deviation between
cylinders ................... MPa (psi)
Approx. weight.
............... ........... ..... ......... kg (Ib)
Turbocharged versions ................................. kg (Ib)
1) With hot engine, throttle wide open and starter motor cranking at 4.2-5.0 rls (250-300 r/min).
819
4
88.9
(3.503)
80 (3.152)
1.99
1-3-4-2
0.9 (128)
0 .2 (28)
165 (363)
170 (375)
823
4
96 (3.782)
80 (3.152)
2.32 1-3-4-2
0 .9 (128)
0 .2 (28)
165 (363)
170 (375)
kpm at
r/min
16.1/3000
23.4/3600
19.4/3000
19.4/3600
25.5/3400
25.5/2900 184
4/2900
15

70019401960 Specifications
Section 2 B 19, B 23 Engines
Air-f low sensor
Metering disc rest position
Fuel pump
& 0580254 ...
138069
Pump capacity at line pressure of 500 kPa (71 psi), Carry
01
gine, fw
Bose
Volvi
+ 20°
C and 12 V ......................................... .
11 V ........ .......... .................... ... .
10V ......................................... .
Current consumption
at line pressure of 500 kPa (71 psi)
+20°C and 12V ........................................ .
Tank pump
24

(


70019401960 Specifications
Section 2 B 19, B 23 Engines
Motronic (B 23 ET)
Control unit
0261200 ... 137 662
Air flow meter
Line pressure, pressure regulator
Injector
0280160 ... 135789
0280150 ... 135790
Bosch number . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 012
Volvo
PIN .................. ............. 1 317 025-3
Bosch number. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 035
Volvo PIN ............................... 1 306 967-9
Resistance:
• between terminals 6 & 22 of temperature sensor:
at -1Ooe (14°F) .................. 8260-105600
+20oe (68°F) .................... 2280-27200
+50oe (122 °F) . . . . . . . . . . . . . . . . . . . . .. 760-910 0
• between terminals 6 & 9 . . . . . . . . . . . . .. 500-1 100 0
• between terminals 6 & 7 . . . . . . . . . . . . . . . . . . 8-200 0
Bosch number . .. .. .. . . . . .. . .. . .. .. ... . .. . .. 213
Volvo PIN ............................... 1 306 965-3
Line pressure
(fuel pressure above intake
manifold pressure) ................. 300 kPa (42 psi)
Bosch number . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 355
Volvo PIN ............................... 1 306 966-1
Injected quantity at a line pressure of
300 kPa (42 psi) . . . . . . . . . . . . . . . . . . . . .. 300 cm3/min
25
1111 III III' III
III ,III
III
,III III

(
70019401960 Specifications
Section 2 B 19, B 23 Eng ines
Temperature sensor, charge air
n __
Bosch number . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 001
Volvo PIN ............................... 1 317 273-9
Resistance at:
+20°C (68 °F) ....................... 985-1 0150
+40°C (104°F).. .. . .. .. . .. .. .. .. ... 1 080-1 110 0
+130°C (266°F) ................... 1 550-1 6200 137283
Impulse sender (crankshaft position & engine rpm)
Bosch number
....... ..... , . . . .... . . . . . . . . . . .. 003
Volvo
PIN .................... ........... 1 317 030-3
0261210 .... 137665
Fuel pump
~
Bosch number. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 025
Volvo
PIN ..... : ......................... 1 336 679-4
0580464 ... 135 793
Capacity at a line pressure of 300 kPa (42 psi)
+20°C (68°F) & 12 V ...................................... . 130 litres/hr (1.08 litres/30 secs)
108 litres/hr (0.9 litres /30 secs)
86
litres/hr (0.7 litres/30 secs)
11 V ...................................... .
10V .................................... .. .
Current consumption at
300 kPa (42 psi).
+20°C (68°F) & 12 V ..................................... .. max 6.5 A
Tank pump
Current consumption. . . . . . . . . . . . . . . . . . . . . . . . .. 1-2 A
27
INII 1111 III 1111 ,III 1111 ,III 1111

70019401960 Specifications
Section
2 B 19, B 23 Engines
LH-Jetronic (823 FT)
Control unit
Bosch number . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 507
Volvo PIN ............................... 1 332 184-9
Air mass meter
Bosch number. . . . . . . . . . . . . . . . . . . . . . . . . ... . .. 002
Volvo PIN ............................... 1 326 065-8
Resistance:
• between terminals 6 and 7 ................... 3.70
• between terminals 7 and 12 . . . . . . . . . . . . . . 0-1 0000
Line pressure, pressure regulator
Bosch number. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 213
Volvo PIN ............................... 1 306 965-3
Line pressure
(fuel pressure above inlet
manifold
pressure) ................. 300 kPa (42 psi)
0280160 ... 135789
Injectors
Bosch number . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 357
Volvo PIN ............................... 1 332337-3
Injected quantity at a line pressure of
300 kPa (42 psi)
...................... 300 cm3/min
0280150 ... 135790
28

70019401960 Specifications
Section 2 B 19, B 23 Engines
Fuel pump
~
Bosch number. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 025
Volvo PIN ....... ................. ..... .. 1 336 679-4
0580464 ... 135793
Pump capacity at a line pressure of 300 kPa (42 psi),
+20°C and 12V .......................................... .
11 V ......................... ................. .
10V .......................................... .
Current consumption at a
line pressure of 300 kPa (42 psi),
+20°C and 12V .... .... ...... .......................... .. .
Tank pump
130 litres/hr (1.08 litres/30 secs)
108 litres/hr (0.9 litres/30 secs)
86
litres/hr (0.7 litres/30 secs)
max 6.5 A
Current consumption . . . . . . . . . . . . . . . . . . . . . . . .
.. 1-2 A
,'."
30

70019401960 Specifications
Section 2 B 200, B 230 Engines
CARBURETTED ENGINES ( B 200 K , B 230 AlK )
Fuel pump
Fuel pressure measured at same level as pump
at 16.6 rls (1 000 r/min) ............................... kPa (psi) 15-27 (2.1-3.8)
B200K
Solex-C isac carburettor
2,7mm
--n ---~~ : I
'~I
1'1I~1~:·,1
I { I
IJ ......... j I
Adjusting vacuum servo
• Choke fully out • Vacuum servo rod fully in (ie at bottom)
44
~_m_m_ .....
Adjusting max engine s peed
• Choke fully in

Thermal time sw itch
35°C -20°C 7,5 sec
1 341111
Cut -out temperature and injection time at -20°C (-4°F) is
stamped in side of switch.
Auxiliary air valve
02.80140 ' ... 134740
A ir flow se nsor
Metering disc rest position
.• -'j,' ,.,'
70019401960 Specifications
Section
2 B 200, B 230 Engines
2mmmwm_
-20 -10 0 10 20 30°C -4 14 32 50 68 86 of 134739
Injection time at different temperatures
Tolerances: time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±2 sec temperature. . . . . . . . . . . . . . . . . . . . . .. ±4°C (7.2°F)
Type of auxiliary air valve fitted to engine depends on en­
gine type.
Identification number
(last three digits of part number) is
stamped
on side of valve.
Bosch No
8200 E, manual ..... . .. 106
automatic . .. . .. 114
8230E, manual ........ 112
automatic . .. . .. 118
Volvo PIN
1 346476-3
1 346477-1
1
346478- 9
1 357448-8
Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 40-60 0
Fully open at. . . . . . . . . . . . . . . . . . . . . . . . . . -30°C (-22°F)
Fully closed
at. . . . . . . . . . . . . . . . . . . . . . .. + 70°C (158°F)
The auxiliary air valve is controlled electrically and should
be fully closed after 5 minutes driving at 20°C (68°F) am­
bient temperature.
Carry out check
at maximum control pressure (in hot en­
gine , fuel pump running).
49
"
"
" II
" . "
" ·11 II

70019401960 Specifications
Section 2 B 200, B 230 Engines
Fuel pump
Type I Type " Type '"
9
Bosch No ..... " ... 948 ... 935 ... 934
Volvo PIN. . . . . .. 1 336677-8 1 389448-0 1 389 447-2
0580254 ... 138069
Pump capacity at a line pressure of 500 kPa (71 psi), 20°C (68°F)
and 12V ................................. ................ .
11 V ..................... ............................ .
10V ................................................. .
Current consumption
at a line pressure of 500 kPa (71 psi),
20°C (68°F) and 12 V ...................................... .
Tank pump
145 litres/hr (1.2 litres/30 sec)
125
litres/hr (1. 0 litres/30 sec)
105
litres/hr (0. 9 litres/30 sec)
max 8.5 A
Current consumption. . . . . . . . . . . . . . . . . . . . . . . . ..
1-4 A
50

Coolant temperature ' sensor
0280130 ... 135791
Bosch No . , ..... , .... , .. , . , ........... , . . .. 032
Volvo PIN , .... , . , , , .. , , . , .. , , .. , .. , ... , . 1 346 030-8
Sensor incorporates 2 res istors: One is connected to Motronic
s y stem the other to an idle spee d compensation system.
Resistance:
-10°C (14°F) .. , . , ..................... .. ..... , .. , , ....... .
+20°C (68°F). , . , ......... .. , .... .. , , ...... , , , .... , ....... .
+80°C (176 °F), .... , , ...... , , . , , , , ... , .......... , . , . , . . , .. .
Impulse sender (crankshaft position and engine rpm senders)
7001940/960 Specif ications
Section 2 B 200, B 230 Engines
n 40000
20000
10000 8000 6000
4000
2000
1000 800 600
400
200
100 -30 -20 0
-22 -4 32
8 100-10770 n
2280-2720 n
292-364 n
20 40 60 80 100 120°C
68 104 140 176 212 240°F
1 35 792
Bosch No . , .. , , .. , ... , , , . , , .... , , . , , . , . . . .. 003
Volvo PIN. , . , . , . , .. , , , , .. , , . , .. , .. , .. ,. 1 317 030 -3
0261210",_ 13-7665
FuelPum~ Bosch No , , .. , ... , ... , , , .. , . . , .. , .. , . , . . , , . 025
Volvo PIN ..... , , ... , , ...... , ..... , .. , .. 1 336679-4
0580464 ... 135793
Capacity at a line pressure of 300 kPa (42 psi),
+20°C (68 °F) and 12V ..... , ... , .... " ............. , ...... .
11 V . , ... , ... ...... , .......... , ..... , . .. .
10V .... " , , ' .... , .... , , ... , . . , ..... ,., ..
Current consumption at a line pressure of 300 kPa (42 psi),
+20°C (68°F) and 12 V , , . ... ... , . . , , , ... , , . , . , , , , . , . , , .. , . .
Tank pump
130 litres/hr (34.3 US Galls. per hr)
108 litres/hr (28.5 US Galls. per hr)
86
litres/hr (22 .7 US Galls . per hr)
max 6,5 A
Current consumption .... , .. , , ..... , ... , . , 1-4 A
53