GENERAL DESCRIPTION
MODEL 2 33
The Model 233 is an electronic shift transfer case
with three modes of operation: two-wheel drive range,
four-wheel drive high range and four-wheel drive low
range. Gear reduction for low range is provided by a
planetary gear set. The floor-mounted shifter has been
eliminated on vehicles equipped with this transfer case.
A switch located on the upper left side of the instrument
panel on the utility and upper right side of the pickup is
used to select the operating range. Indicator lamps on
the switch show the current mode of operation.
W hen fo u r-w h e e l drive has been selected, the
fo u r-w h e e l drive in d ica to r lam p on the sw itch is
designed to come on when the front axle has engaged.
The lamp will blink while the front axle is engaging. This
is normal.
The 233 has a two-piece aluminum case containing
front and rear output shafts, two drive sprockets, an
e lectronic shift m echanism , and a planetary gear
assembly (figures 1 and 2). The drive sprockets are
connected and operated by the drive chain. The plane
tary gear assembly consists of a 4-pinion planetary car
rier and an annulus gear that provide the four-wheel
drive low range when engaged. The reduction ratio is
2.72:1 in this range. The electronic shift mechanism is
controlled by an electronic shift encoder motor mounted
on the front half of the transfer case.
IDENTIFICATION
An identification tag is attached to the rear half of the
transfer case (figure 1). This tag provides the transfer
case model number, low range gear reduction ratio, and
assembly number. The information on this tag is neces
sary when servicing this transfer case. If the tag is
removed or becomes dislodged during service opera
tions, be sure to keep the tag with the unit.
POWER FLOW
In all drive range positions input torque is transmitted
to the transfer case gear train through the transfer case
input gear. In 2HI range, torque flows from the input
A. INDENTIFICATION TAG
3. BOLT, EXTENSION HOUSING AND CASE HALF
4. HOUSING, EXTENSION
8
. HO USING, PUMP RETAINER
15. PLUGS, DRAIN/FILL
17. CASE HALF, REAR
V2924
Figure 1— 233 Rear Case Half
44. RETAINER, INPUT BEARING
45. CASE HALF, FRONT
46. SW ITCH, VACUUM
74. YOKE, FRONT OUTPUT
77. NUT, FRONT O UTPUT YOKE
94. MOTOR, ENCODER
V2923
Содержание S Series 1994
Страница 1: ......
Страница 11: ...VIEW A p n n n j VIEW C F7554 Figure 10 Hydra Matic 4L60 E Transmission I D Location...
Страница 15: ...G VAN MODELS Rally Sportvan Cutaway Van Extended Van Vandura Chevy Van Magnavan Hi Cube Van F7569...
Страница 17: ...S T PICKUP REGULAR CAB 2 DOOR S T UTILITY VEHICLE S T PICKUP EXTENDED CAB 4 DOOR S T UTILITY VEHICLE 2900r4506...
Страница 24: ...NOTES...
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Страница 69: ...NOTES...
Страница 71: ...3 2 STEERING...
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Страница 102: ...40...
Страница 130: ...NOTES...
Страница 146: ...NOTES...
Страница 162: ...NOTES...
Страница 166: ...Figure 5 Removing the Pinion Flange Figure 6 Pressing the Drive Pinion from the Cage...
Страница 178: ...Figure 3 Spreading the Differential Case Figure 4 Removing the Differential...
Страница 190: ...NOTES...
Страница 202: ...NOTES...
Страница 206: ...F5785...
Страница 209: ...Figure 11 Remove the Pinion Flange F4696 F4759 Figure 14 Removing the Differential Side Bearing...
Страница 212: ...B Button Moved Out of Bearing Bore F5791...
Страница 228: ...NOTES...
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Страница 234: ......
Страница 236: ...Adjuster 63 Bolt 64 Lock Figure 10 Turning the Adjuster Plug K3 Models...
Страница 237: ...Figure 13 Removing the Pinion Seal 39 Bearing Cup Figure 16 Removing the Inner Bearing Cap...
Страница 247: ...C Measure with Axle Shaft Forced Outboard 1 Shaft 5 Tube 9 Carrier Connector 23 Output Shaft 29 Carrier Case F5877...
Страница 261: ...F7475...
Страница 267: ...B Button Moved Out of Bearing Bore F5791...
Страница 294: ...NOTES...
Страница 300: ...NOTES...
Страница 318: ...NOTES...
Страница 322: ...SR207LN2 EDS...
Страница 324: ......
Страница 326: ...OVERHEAD OILING AND RETURN MAIN OIL GALLERY N30005 6A2 J EDS...
Страница 368: ...103 153 127 V1200...
Страница 370: ......
Страница 372: ......
Страница 374: ...F9375 Figure 7 Engine Lubrication Diagram Engines Without Balance Shaft...
Страница 375: ...Front View Rear View Showing Path Of Oil To Timing Chain Showing Main Gallery Oil Filter And Crankshaft Oil Feed V0575...
Страница 376: ...Figure 9 Engine Lubrication Diagram Engines With Balance Shaft...
Страница 399: ...V2974...
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Страница 412: ...195 196 201 174 252 163 165 164 244 3706r3924...
Страница 452: ......
Страница 454: ...163 164 V1202...
Страница 456: ...20 21x 302 210 4 0 41 2 5 2 5 1 2 51 4 2 e3 54 3 9 252 252 S 255 255 25 6 256 209 V1196...
Страница 458: ...100 1 8 4 185 183 177 v 75 201 3706r1204...
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Страница 512: ...V2131...
Страница 514: ...110 106 106 103 90 93 89 88 87 86 v 7 7 7 7 j A _ 111 f t 2 a a s 53 49 L 47 46 3706r4751...
Страница 516: ...259 260 150 237 S lM 180 167180 J 1 82 183 170 169 1 1 78 1 7 9 213212 2 0 7 205 r i 3706r4752...
Страница 566: ...NOTES...
Страница 574: ...NOTES...
Страница 618: ...SPECIAL TOOLS...
Страница 620: ...NOTES...
Страница 672: ......
Страница 682: ......
Страница 686: ......
Страница 689: ...SPRINGS LOCATED IN THE PUMP PRESSURE CONV CL REGULATOR VALVE SPRINGS LOCATED IN THE VALVE BODY 3 4 SHIFT...
Страница 694: ...RH0213 4L60 E...
Страница 695: ...657 659 m i J 8092 H J 34196 4 3 34196 5 657 658 665 J 23907 J 7004 1 J 8092 RH0214 4L60 E...
Страница 696: ...J 8092 J 34196 4 33 31 J 8092 RH0215 4L60 E...
Страница 697: ...SPECIAL TOOLS...
Страница 698: ...SPECIAL TOOLS...
Страница 758: ...RH0194 4L80 E...
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Страница 770: ...SPECIAL TOOLS...
Страница 771: ...SPECIAL TOOLS CONT...
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Страница 804: ...NOTES...
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Страница 822: ...3707r5079...
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Страница 848: ...NOTES...
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Страница 859: ...17 Rear Case Half 18 Oil Pump Pick Up Tube 26 Connector Dowel Pin Location Pump Pick Up Screen F5434...
Страница 860: ...F5435...
Страница 866: ......
Страница 878: ...F9167...
Страница 882: ...16 FrontOutputShaft 18 DrivtQNr 19 DrivenGm t 20 DriveChain 22 FrontOutputBearing V2836...
Страница 890: ...F9168...
Страница 908: ......
Страница 914: ...J 2619 01 46 Rear Case 85 Front Output Shaft Rear Bearing F7659 Figure 21 Removing the Front Output Shaft Rear Bearing...
Страница 919: ......