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Inspect
• Sealing flanges for bending or damage.
• Rubber grommets and parts on the rocker arm cov
er for deterioration.
• Oil pan for rock damage or cracks.
• Oil pan baffle for loose fit.
• Drain plug threads for stripping.
O IL PUM P
❖
Disassemble
1. Oil pump cover screws.
2. Oil pump cover.
• Mark the gear teeth so the pump gears can be
installed with the same gear teeth indexed.
3. Drive gear and shaft.
4. Idler gear.
5. P ressure regulator valve retaining pin, valve,
spring, and related parts.
• Note the order of assembly.
Clean
1?
All parts in clean solvent and blow dry with com
pressed air.
Inspect
• Pump body and cover for cracks or other damage.
• Gears for wear.
• Drive gear and shaft for improper fit in the pump
body.
• Inside of the cover for wear that would permit oil to
leak past the ends of the gears. The pump gears,
cover, and body are not serviced separately. If the
parts are damaged or worn, replace the entire oil
pump assembly.
• Pickup screen and pipe for damage to the screen,
pipe or relief grommet.
❖
Assemble
1. Pressure regulator valve and related parts.
2. Idler gear and drive gear with shaft. Align the
marks made during disassembly.
• Prime oil pump by filling cavity with assembly
lubricant.
3. Oil pump cover.
4. Oil pump cover screws.
Tighten
• Screws to 16 N-m (12 lbs. ft.).
Inspect
Oil pump operation. Turn the drive shaft by hand
and check for smooth rotation.
Figure 51— Removing the Rocker Arm Retainers
VALVE TR A IN COM PONENTS
IJ J Clean
A. Parts in solvent. Blow dry with compressed air.
B. Make sure the oil passages in the pushrods are
clear.
❖
Disassemble (Figure 51)
1. Rocker arm retainers (405).
A. Insert a screwdriver into the rocker arm shaft
bore and break off the end of the retainers.
B. Pull the rocker arm retainers out with pliers (fig
ure 51).
2. Rocker arms from the rocker arm shaft. Mark the
rocker arms so they can be returned to their origi
nal locations at assembly.
L*
Inspect
• Rocker arms and shafts at their mating surfaces.
These surfaces should be smooth and free from
scoring or other damage.
• Rocker arm areas which contact the valve stems
and the sockets which contact the pushrods. These
areas should be smooth and free of damage and
wear.
• Pushrods for bending. Roll the pushrod on a flat
surface to determine if it is bent. Replace if neces
sary.
• Ends of the pushrods for scoring or roughness.
• Hydraulic lifter guide plates and clamps for dam
age.
*
Assemble
1. Rocker arms to the rocker arm shaft. Used rocker
arms must be returned to their original locations.
Important
• Lubricate the rocker arms with engine oil before
installing.
2. New rocker arm retainers (405).
A. Center the rocker arms on the corresponding
holes in the rocker arm shaft.
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: ......