![background image](http://html1.mh-extra.com/html/gmc/s-series-1994/s-series-1994_repair-manual_2235929403.webp)
SPECIFICATIONS
ENGINE SPECIFICATIONS (4.3L)
All Specifications are in INCHES unless otherwise noted.
GENERAL DATA:
Type
V6
Displacement
4.3L (262 Cu. In.)
RPO (VIN Code)
LB4 (Z)
Bore
4.00
Stroke
3.48
Compression Ratio
9.3:1
Firing Order
1-6-5-4-3-2
Oil Pressure (Minimum)
6 psi @ 1000 RPM; 18 psi @ 2000 RPM; 24 psi @ 4000 RPM
CYLINDER BORE:
Diameter
4.0007-4.0017
Out Of
Production
0.001 (Maximum)
Round
Service
0.002 (Maximum)
Production
Thrust Side
0.0005 (Maximum)
Taper
Relief Side
0.001 (Maximum)
Service
0.001 (Maximum)
PISTON:
Production
0.0007-0.0017
Service Limit
0.0027 (Maximum)
PISTON RING:
c
Production
Top
0.0012-0.0032
U
M
Groove
2nd
P
R
Clearance
Service Limit
0.0042 (Maximum)
E
c
Production
Top
0.010-0.020
S
2nd
0.010-0.025
1
O
N
Service Limit
0.035 (Maximum)
Groove
Production
0.002-0.007
0
1
Clearance
Service Limit
0.008 (Maximum)
1
L
Production
0.015-0.055
Service Limit
0.065
PISTON PIN:
Diameter
0.9270-0.9273
Clearance
Production
0.0002-0.0007
In Piston
Service Lmit
0.001 (Maximum)
Fit In Rod
0.0008-0.0016 Interference
EXHAUST MANIFOLD:
Surface Flatness
0.010 (Maximum)
INLET MANIFOLD:
Surface Flatness
0.010 (Maximum)
CYLINDER HEAD:
Surface Flatness
0.004 (Overall)
BALANCE SHAFT:
Front Bearing Journal Diameter
2.1648-2.1654
Rear Bearing Journal Diameter
1.4994-1.500
Rear Bearing Journal Clearance
0.001-0.0036
Summary of Contents for S Series 1994
Page 1: ......
Page 11: ...VIEW A p n n n j VIEW C F7554 Figure 10 Hydra Matic 4L60 E Transmission I D Location...
Page 24: ...NOTES...
Page 26: ......
Page 69: ...NOTES...
Page 71: ...3 2 STEERING...
Page 73: ......
Page 84: ......
Page 102: ...40...
Page 130: ...NOTES...
Page 146: ...NOTES...
Page 162: ...NOTES...
Page 166: ...Figure 5 Removing the Pinion Flange Figure 6 Pressing the Drive Pinion from the Cage...
Page 178: ...Figure 3 Spreading the Differential Case Figure 4 Removing the Differential...
Page 190: ...NOTES...
Page 202: ...NOTES...
Page 206: ...F5785...
Page 212: ...B Button Moved Out of Bearing Bore F5791...
Page 228: ...NOTES...
Page 232: ......
Page 234: ......
Page 236: ...Adjuster 63 Bolt 64 Lock Figure 10 Turning the Adjuster Plug K3 Models...
Page 237: ...Figure 13 Removing the Pinion Seal 39 Bearing Cup Figure 16 Removing the Inner Bearing Cap...
Page 261: ...F7475...
Page 267: ...B Button Moved Out of Bearing Bore F5791...
Page 294: ...NOTES...
Page 300: ...NOTES...
Page 318: ...NOTES...
Page 322: ...SR207LN2 EDS...
Page 324: ......
Page 326: ...OVERHEAD OILING AND RETURN MAIN OIL GALLERY N30005 6A2 J EDS...
Page 368: ...103 153 127 V1200...
Page 370: ......
Page 372: ......
Page 374: ...F9375 Figure 7 Engine Lubrication Diagram Engines Without Balance Shaft...
Page 376: ...Figure 9 Engine Lubrication Diagram Engines With Balance Shaft...
Page 399: ...V2974...
Page 410: ......
Page 412: ...195 196 201 174 252 163 165 164 244 3706r3924...
Page 452: ......
Page 454: ...163 164 V1202...
Page 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...
Page 458: ...100 1 8 4 185 183 177 v 75 201 3706r1204...
Page 460: ......
Page 510: ......
Page 512: ...V2131...
Page 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...
Page 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...
Page 566: ...NOTES...
Page 574: ...NOTES...
Page 618: ...SPECIAL TOOLS...
Page 620: ...NOTES...
Page 672: ......
Page 682: ......
Page 686: ......
Page 694: ...RH0213 4L60 E...
Page 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...
Page 696: ...J 8092 J 34196 4 33 31 J 8092 RH0215 4L60 E...
Page 697: ...SPECIAL TOOLS...
Page 698: ...SPECIAL TOOLS...
Page 758: ...RH0194 4L80 E...
Page 764: ......
Page 770: ...SPECIAL TOOLS...
Page 771: ...SPECIAL TOOLS CONT...
Page 772: ......
Page 775: ......
Page 776: ......
Page 785: ......
Page 804: ...NOTES...
Page 806: ......
Page 808: ......
Page 822: ...3707r5079...
Page 840: ......
Page 848: ...NOTES...
Page 852: ......
Page 860: ...F5435...
Page 866: ......
Page 878: ...F9167...
Page 882: ...16 FrontOutputShaft 18 DrivtQNr 19 DrivenGm t 20 DriveChain 22 FrontOutputBearing V2836...
Page 890: ...F9168...
Page 908: ......
Page 919: ......