dimensions VOLVO 940 1982 Service Repair Manual

Page 112 of 168

70019401960 Specifications
Section
2 024, 024 T, 024 TIC Engine
Pistons rings
~~ ~L---,-C--., -L-J
• ""~,
129521
Side cleara n ce
P iston rings R in g gap
Side clearanc e
(measured with ring
Uppe r comp ress ion
mm in Lo
wer comp ress io n O il sc rape r
mm in
mm
in
on piston) new ........ .
max
....... .
0.11-0 .14
0 .2 0
.0043 -0.0055 0.07-0.10
0.008 0.2 0.0028-0
.0039 0.03-0.0 7
0.008 0.
15
0.0012-0 .0028
0 .006
Ring gap (measured
in cylinder, see
illustration) new. . . . . . . . 0 .3-0.5
max........ 1.0 0.012
-0.020
0 .040 0.3-0.5
1.0 0.012
-0.020
0.040 0.25-0
.50
1.0 0
.010-0.0197
0.040
Gudgeon (piston ) pins
Fit, in connecting rod ........................................ .
Ligh t thumb pressure (close running fit)
T humb pressure (push
fit) in piston .............................. ............. ..... .
Valv e system
Valve clea ra nces
128157
Cold engine = engine at room temperature
= intake valves
A = exhaust valves
Check/adjust valves in this order : 1-5 -3 -6-2- 4
Va lv e cleara n ces
C heck ing
Settin g
m m in
mm
Intake valve, warm engine ..... ............................... . 0 .20-0.30 0.008 -0.012
0.25
cold
engine ................ ..................... . 0.15-0 .25 0.006-0 .010 0.2 0
E xhaust valve, warm engine ............. ..................... . 0.40-0 .50 0.016-0.020 0.45
cold
engine ................ . " ................. . 0 .35-0.45 0.014-0.018
0.40
Shims, thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3.00 to 4.25 at intervals of 0.05 mm
(0.012 to 0.16 7 at intervals of 0.002 in)
Valves (dimensions in mm)
7,97
~r-i4--Min. 0 ,5
Int ake va lv e
130061
44 ,5 °
7,95
Exh au st valve
in
0 .010
0 .008
0 .018
0.016
129836
Note : Exhaust valves are stellite plated. Only the valve face may be ground.
110

Page 157 of 168

(
70019401960 Specifications
Section
6 Suspension and steering
Section 6 Front end and steering
Group 60 Wheel alignment
(Empty vehicle)
Front wheel alignment
Caster ..................................................... 4.5-5.5°
Cambe r*
... ................................... ........ ..... -0.2 -+0.8 °
• Difference between left and right-hand locks must not exceed o.r.
Toe-in
All variant s*
Angle (2 (X) A-a 8-b C-c
18'±8' 3.2±1
.3 mm 2.3±1.2 mm 2 .1 ±0.9 mm
0 .12±0.05 in 0.0 .9±0.05 in 0.08±0.04 in .-
• In order to simplify workshop routines, the same values apply to all 740/940/960 models from 1982. Older values may still be
found in some manuals and are not incorrect, though now sup­planted by these newer values.
All measurements to be carried out on an empty vehicle. Dimensions are noted at hub height in the form of an angular
measurement a or as the difference in mm between the front and rear edges of the wheels at points A, B or C (the tire tread,
shoulder and wheel rim edge respective ly).
Ball joints
Max axial play with normally loaded front end, 3 mm
(0.12 in)
Max radial play, 0.5 mm (0.02 in).
Wheel alignment, rear wheels
(
Multi -link )
Negative Camber IfJl
'legall. umb .. 113' -1.0
;l
+
a +a ~ -0.
r;-~ -0.6
P--I I­
ii I-i . IT -'. ! . -.1-Un k arm angle (n)
-0
-0
.
Un k a~ angle (a)
-4 -'.-3 "';-2 1 +i +2 + +4 1-
-~~ u ~ 1"'--H---. 1-i-J:-L
_. f-L -\-;-_1_ i-'-1.L?.4 h-
"Lllft~~~~
L.l. f:l+ ~:; +fJ~ .
: I : . : . ill I I I I I m t I " " "! i _ J . ,. . I Positive Camber I~) H 1-1 I I II II ~ t ,I. L LLLu....L1 143 720
Camber
Diagram shows correct Camber (fj) in relation to position of
lower links (a).
Examp le: angle of lower link is +2°, correct Camber is
0 .05 ° (negative Camber). Tolerance = ±0.25°.
143721
155
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