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70019401960 Specifications
Sect ion
2 024, 024 T, 024 TIC Engines
Cylinder head
Max. warp .......................... , ... .
Cylinder head may not be machined.
It must be replaced if warp exceeds
maximum .
Cylinder head gasket
Group 21
129146
Three different gaskets are used depending on height of piston above cylinder block.
Notches
Height of piston above
cylinder block
mm
0.67-0.80
0.81-0.90
0.91-1.02
in
0.026-0.031
0.032-0.35
0.036-0.040
@.2 mrp = 0.008 in
!:, :' 1 ' . , • t ~I
129147
Gasket
number of thickness
notches mm
in
1 * 1.4 0.055
2 1.5 0.059
3 1.6 0.063
Piston height in same engine must not extend over more than
two classes .
Piston height is measured at the front and back of piston
(along the gudgeon (piston) pin) .
• Not D 24 TID 24 TIC
Cy lind er block
Bore Marking
(honing group)
Standard .
....... , . .. , ...... , .. .... , .. , ................. 651
652
653
Oversi ze 1 ............. , ... , .. , ... , .. , ... , . . , .. , ....... 676
(0.25 mm = 0.010 in) .... " .. , . . " .. , . . , ... , .. , . . , .. , .... 677
678
Oversize 2 ....... ......... , . ........................... 701
(0.50 mm = 0.020 in) .... , ...... , ...... , . ..... , .......... 702
703
Oversize 3 ................ , ... , .... .. , ... , ..... , ... .... 751
(1.00 mm = 0.040 in) ...................... , .. , .. , . , ..... 752
753
Max wear (compared with specified diameter) .... , ............. .
Pistons
Max . weight deviation between pistons in
same engine .............................. , .. .
Piston float, new .......... , ...... , .. , ........ . .
max
.................. ....... , .. , .. .
Piston diameter, see cylinder bore table
Max wear (compared with specified diameter) .....
Piston diameter is measured at right-angles to gudgeon
piston
lower edge .
12 grams
0.03-0.05 mm
0.13 mm
0.04 mm
Piston diameter
mm in
76.48 3.0110
76.49 3.0114
76.50 3.0118
76.73 3.0209
76.74 3.0213
76.75 3.0216
76.98 3.0307
76.99 3 .0311
77.00 3.0315
77.48 3.0504
77.49 3.0508
77.50 3.0512
0.04
mm (0.0016 in)
0.0012 -0.0019 in
0.0051 in
0.0016 in
Cylinder bore
mm in
76.51 3.0122
76.52 3.0125
76.53 3.0130
76 .76 3.0220
76.77 3.0224
76.78 3.0228
77.01 3.0318
77. 02 3.0322
77.03 3.0326
77.51 3.0515
77.52 3.0519
77
.53 3.0523
~ 0 • + .... I
t 129835
109
,III
.' .... 1
"' ·111
'" ·111
'" ·111
70019401960 Specifications
Section
2 024, 024 T, 024 TIC Engines
Crankshaft
Max1
) runout, two centre bearings ............................. .
others
........................................ . .
Crankshaft, end
clearance, new ............................... .
max .
.............................. .
main bearing
clearance, new ....... ............... .
max
....................... .
Connecting
rod bearings, side clearance, max .................. .
bearing
clearance, max ............... .
new
............... .
l)Measured with two outer main bearings in V·blocks.
Main bearing journal s
Out of round, max ........................................... .
Taper, max
................................................. .
Diameter, standard .
.................................... ..... .
undersize 1 .
...................................... .
2 ....................................... .
3 ......................... .............. .
Con necting rod bearing journ als
Out of round, max ........................................... .
Taper, max
................................................. .
Diameter, standard
.......................................... .
undersize 1
....................................... .
2
....................................... .
Con necting rods
Only to be replaced in sets.
0.06 mm 0.0023 in
0.04 mm
0.07-0.18 mm
0.25 mm
0.016-0.075 mm
0.16 mm
0.0015 in
0.0027-0.0071 in
0 .0098 in
0.0006-0.0029 in
0.0062 in
0.4 mm 0.0157 in
0.12 mm
0.015-0.062 mm
0.0047 in
0 .0005-0.0024 in
0.03 mm 0.0012 in If ~ 0.05 mm 0.0020 in
58.00 (57.955-57.975) mm
2.2834 (2.2816-2.2824) in -+ +-) 57.75 (57.705-57.725) mm
2.2736 (2.2718-2.2726) in
57.50 (57.455-57.475) mm t
2.2637 (2.2620-2.2627) in 57.25 (57.205-57.225) mm Out of round 115089
2.2539 (2.2521-2.2529) in
0.03 mm 0.0012 in
0.05 mm 0.0002 in
47.80 (47.758-47.778) mm
1.8818 (1.8802-1.8810) in
47.55 (47.508-47.528) mm
1.8720 (1.8703-1.8711) in
47.30 (47.258-47 .278) mm
1.8622 (1.8605-1.8613) in Taper
Side clearance on crankshaft, max. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4 mm 0.0157 in Max. weight deviation between connecting rods in same engine. . . 6 grams
Flywheel
Warp, max. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05 mm at 150 mm diameter
0.0019 in at 5.90 in. diameter
112
70019401960 Specifications
Section
4 Power Transmission
Tightening torqu es
Pinion drive flange, pinion with spacer .......... ........ ....... .
pinion with compression
sleeve ' ............ .
Differential bearing caps .............................. ...... . .
Crown
wheel " .. ............................ .......... ...... .
Wheel nuts ...... ............................... .. .......... .
Lock nut -speedometer sensor .
............................. .
• Do not exceed specified torque .. Use new bolts.
I Final drive 760 /780 4-door 1988-, 960
Reduction ratio ................................... .......... .
Axial throw , crown wheel ..................................... .
Backlash ............... .................................... .
Pinion bearing
preload , new .................................. .
old ........ .. ..... .................... .
Differential bearing, preload .................................. .
Clearance , speedometer' -impulse wheel ....... ............... .
Radial throw , outer diameter, impulse wheel ....... ............. .
Lubricant.
..... ............................................. .
T ightening torque s
='.. Coupling flange -pinion (nut) ................................ .
Crown
wheel -differential housing bolt + 60 deg . angle-tightening.
Wheel nuts .. ............................. .................. .
Impulse sender -rear casing (bolt) ............................ .
Rear casing -
final drive (bolt) ................................ .
Side bracket -final drive (bolt) ............................... .
Lock washer -adjustment nut
(bolt) ........................... .
Balance weight -final drive (bolt) ............................. .
Oil drain plug ............................................... .
Oil filler plug ................................................ .
Drive shaft
bolts (+900 angle tightening) ....................... .
Drive shaft nuts,
(+600 angle tightening) ............... ........ .
152
Nm ttlb
200-250 147-185
180-280 130-207
45-60 33-44
90-110 66-81
85 63
25-40 18-29
3.54:1, 3.73:1, 3.91:1
Max 0.08 mm (0.0032 in)
0.1-0. 16 mm (0.04--0 .006 in)
1.2-2.8 Nm (0.87 -2.0 ft Ib)
1.0-2.5 Nm (0.72-1 .8 ft Ib)
1 + 1 notches on each side
0.35-0.75 mm (0.014--0.030 in)
Max.
0.2 mm (0. 008 in)
See page 9
Nm
180-280
35
85
8-12
20-28
40-56
40-56
20-28
27-40
27-40
30
140
ftlb
(133-207)
(26)
(63)
(6-9)
(14--20)
(29-40)
(29-40)
(14--20)
(20-29)
(20-29)
(22)
(103)
