7A-214 AUTOMATIC TRANSMISSION (4L30-E)
CASE AND ASSOCIATED PARTS
1 Torque converter 2 Screw, seal ring assembly 3 Seal ring assembly, converter
housing
4 Screw, converter housing/main
case
5 Screw, converter housing/oil pump 6 Housing, converter 7 Plug, converter housing 8 Seal, 0-ring 9 Wear plate, oil pump body 10 Pump assembly, oil 11 Gasket 12 Washer, thrust selective 13 Ring, snap 14 Cover, 3-4 accumulator piston 15 Seal, 0-ring, 3-4 accumulator 16 Spring, 3-4 accumulator piston 17 Pin, 3-4 accumulator piston 18 Piston, 3-4 accumulator 19 Ring, 3-4, accumulator piston 20 Case, adapter 22 Connector, electrical/adapter case 23 Screw & conical washer assembly 24 Seal 0-ring, filler tube 25 Tube assembly, fluid filler 26 Seal, filler tube 27 Restrictor, oil 28 Gasket, Transfer plate/adapter 29 Plate, transfer adapter/center
support
30 Support assembly, center 31 Screw, center support 32 Ring, oil seal
33 Seal, 0-ring main case 34 Fitting, cooler 35 Fitting assembly, cooler
206
201 Gear, oil pump drive 202 Gear, oil pump driven 203 Pin, boost valve sleeve 204 Sleeve, boost valve 205 Valve, boost
201
206 Seat, spring/pressure regulator valve 207 Spring, pressure regulator valve 208 Valve, pressure regulator 209 Pump assembly, oil
36 37
38
39
42 43
44
45
46
50
52
53
54
55
56
57
58 59
60
61
62 63 64
65
67
68 69 70 71
Case, main 72 Gasket, adapter valve body
Breather, pipe 73 Plate, adapter valve body/transfer
Seal, 0-ring 74 Pan, bottom/main case
Reservoir
75 Gasket, bottom pan/main case
78 Magnet, chip collector
Gasket, extension case
79 Filter oil
Extension assembly
80 Harness assembly, main case
Seal, 0-ring/speed sensor 82 Roller & spring assembly, manual
Sensor assembly, speed detent Screw, speed
sensor 84 Valve body assembly, main case
85 Ball, check
86 Gasket, main V.B./Transfer plate
Seal, extension assembly 87 Plate, main V.B./Transfer
88 Gasket, transfer/main case
Screw, extension/main case 89 Screw, transfer plate on V.B.
Spring, parking pawl lock 90 Screw, servo cover
Pawl, parking lock 91 Cover, servo piston Connector, electrical/main case 92 Gasket, cover/servo piston
Actuator assembly, parking lock
93 Ring, retaining servo piston
Nut, parking lock lever 94 Clip, servo piston
Link, manual valve 95 Nut, servo screw
Pin, spring 96 Screw, servo piston
Lever, parking lock
& range 97 Piston, servo
selelector 98 Seal, ring/servo piston
Shaft, selector 99 Spring, cushion/servo piston
Seal, selector shaft 100 Seat, cushion spring
Mode switch assembly 101 Sleeve, servo piston adjust
Screw & conical washer assembly 102 Rod, apply/servo piston
Shield, mode switch 103 Spring, return/servo piston 104 Gasket, adapter case/transfer plate
Pan, Bottom/Adapter case 105 Transmission control module
Gasket,
bottom pan/adapter ca!~e 106 Servo piston assembly
Harness assembly, adapter
cas'~ Screw, valve body
Valve body assembly, adapter ~:ase
PUMP ASSEMBLY
202 211 ~-~ 212 . 213
210 Valve, converter clutch control 211 Sprinn, converter clutch control valve 212 Plug, converter clutch control valve 213 Pin, spring 214 Piston, throttle signal accumulator 215 Sprinn, throttle signal accumulator 216 Seat, 1;pring/throttle signal accumulator 217 Ring, snap/throttle signal accumulator
Fig. 7A-98
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AUTOMATIC TRANSMISSION (4L30-E) 7A-215
VALVE BODY ASSEMBLIES
306
317-<:> . I ~ jl
<317 <
312 ->
310 31~v--
4" 301 Body, valve main case 302
302 Pin, spring
303 Solenoid assembly, on/off N.C. 304 Valve, 1-2 & 3-4 shift 305 Spring, 1-2 & 3-4 (2-3) shift
306 Retainer, valve 307 Solenoid assembly, ON/OFF N.O. 308 Valve, 2-3 shift 309 Pin, spring
310 Plug, valve bore 311 Spring, valve low pressure control
312 Valve, low pressure control 317 Ball, check
318 Valve, 1-2 accumulator control 320 Valve, 1-2 accumulator 321 Washer, waved PWM solenoid 322 Pin, solenoid PWM 323 Solenoid assembly, band control PWM 324 Screen assembly, PWM solenoid 325 Plug, screen 326 Valve, manual
Fig. 7A-99
Fig.
7A-100
317 Ball, check 401 Body, valve/adapter case 402 Screw, solenoid force motor 403 Retainer, force motor 404 Solenoid, force motor 405 Plug, 3-4 accumulator 406 Pin, spring 407 Valve, 3-4 accumulator 409 Valve, 3-4 accumulator control 410 Spring, feed limit valve 411 Ring, retainer 412 Valve, feed limit 413 Seal, 0-ring plug filter 414 Plug, screen 415 Screen assembly, force motor 416 Solenoid, torque conv. clutch on/off N.C.
7A-216 AUTOMATIC TRANSMISSION (4L30-E}
OVERDRIVE INTERNAL COMPONENTS
501 Retainer, 4th clutch
502 Plate, 4th clutch (steel) 503
503 Plate assembly,
4th clutch (lined)
504 Retainer & ball assembly, check valve
505 Seal, 0-ring/turbine shaft 506 Shaft, turbine 508 Ring, oil seal/turbine shaft 510 Housing, overrun clutch 513 Piston, overrun clutch 514 Spring, overrun clutch release 515 Retainer, release spring/overrun clutch 516 Roller assembly, overdrive clutch 517 Cam, overdrive roller clutch 518 Ring, snap/overrun clutch hub 519 Gear, overdrive sun
\52\12 \, ' ' ' -' ' '
' ' ' ' ' J ------' -,_-
510
521 Plate, c•verrun clutch (steel) 522 Plate a~;sembly, overrun clutch (lined)
523 Plate, backing/overrun clutch 524 Ring, snap/overrun clutch housing
525 Carrier assembly, overdrive complete 526 Ring, snap/turbine shaft/carrier
527 Bearin~1 assembly, thrust 528 Gear, overdrive internal 529 Washer, thrust/internal gear/support 530 Ring, snap/adapter/4th clutch spring 531 Retainer & spring assembly, 4th clutch 532 Piston, 4th clutch 533 Seal, 4th clutch piston (inner)
534 Seal, 4th clutch piston (outer)
Fig. 7A-101
529
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