Disassembled Views (6L90)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Transmission Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Torque Converter Assembly
2	Torque Converter (with Fluid Pump) Housing Assembly - Model Dependent
3	Bolt, M10 x 50 mm
4	Torque Converter Housing Access Hole Cover - Model Dependent
5	A/Trans Fluid Pump Seal
6	Torque Converter Housing Locator Pin
7	A/Trans Case Assembly
9	A/Trans Connector Seal
10	A/Trans Connector (O-ring) Seal
11	A/Trans Electrical Connector Passage Sleeve
12	A/Trans Case Plug
13	Output Shaft Bushing
14	Output Shaft Seal Assembly - 4WD Models
16	Bolt, M10 x 40 mm - Model Dependent
18	A/Trans Fluid Pump Seal Assembly
19	A/Trans Fluid Pump Seal Assembly
20	Center Support Fluid Passage Seal Assembly
21	Control (with Body and Valve) Valve Assembly
22	Bolt, M5 x 73 mm
23	Bolt, M6 x 14.5 mm
24	Manual Shaft Detent Assembly
25	A/Trans Fluid Filter Seal Assembly
26	A/Trans Fluid Filter Assembly
27	A/Trans Fluid Pan Gasket
28	A/Trans Fluid Pan Magnet
29	A/Trans Fluid Pan Assembly
30	Bolt, M6 x 20 mm
32	Torque Converter Housing Access Hole Cover
33	A/Trans Case Extension Seal - 2WD Models
34	A/Trans Case Extension - 2WD Models
35	Prop Shaft Front Slip Yoke Bushing - 2WD Models
36	Prop Shaft Front Slip Yoke Oil Seal - 2WD Models

Fig 2: View Of Clutch Assemblies & Associated Parts

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
51	1-2-3-4 and 3-5 Reverse Clutch Assembly
52	Input Carrier Assembly
53	Input Sun Gear
54	Input Sun Gear Thrust Bearing
55	Input Sun Gear Thrust Washer
56	4-5-6 (w/ Turbine Shaft) Clutch Assembly
57	Turbine Shaft Thrust Bearing Assembly
58	4-5-6 Clutch (w/ Output Carrier Shaft and Dampener) Hub Assembly
59	4-5-6 Clutch Hub Thrust Bearing Assembly
60	Output Carrier Inner Sun Gear Shaft (Front) Bushing
61	1-2-3-4 Clutch (w/ Output Carrier Inner Sun Gear Shaft) Hub Assembly
62	Output Carrier Inner Sun Gear Shaft Bushing
63	1-2-3-4 Clutch Hub Thrust Bearing Assembly
64	2-6 and 3-5 Reverse Clutch (w/ Output Carrier Outer Sun Gear Shaft) Hub Assembly
65	2-6 and 3-5 Reverse Clutch Hub Thrust Bearing Assembly
66	Center Support Retaining Ring
67	Center (w/ 2-6 Low and Reverse Clutch) Support Assembly
68	Output Carrier Assembly
69	Output Carrier Thrust Bearing Assembly
70	Output Shaft Assembly - Model Dependent
71	Output Shaft Thrust Bearing Assembly

Fig 3: View Of Torque Converter Housing Assembly (w/Fluid Pump)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
200	Torque Converter Fluid Seal Retaining Ring
201	Torque Converter Fluid Seal Assembly
202	Line Pressure Test Hole Plug
203	Torque Converter Housing - Model Dependent
204	A/Trans Vent Pipe
205	Trans Fluid Cooler Pipe Fitting Seal
206	Torque Converter Bushing
207	A/Trans Fluid Pump Vane Ring
208	A/Trans Fluid Pump Rotor Guide
209	A/Trans Fluid Pump Slide Fluid Seal Ring
210	A/Trans Fluid Pump Slide (O-ring) Seal
211	A/Trans Fluid Pump Slide Outer Spring
212	A/Trans Fluid Pump Slide
213	A/Trans Fluid Pump Slide Seal
214	A/Trans Fluid Pump Slide Seal Support
215	A/Trans Fluid Pump Slide Pivot Pin
216	A/Trans Fluid Pump Vane
217	A/Trans Fluid Pump Rotor
218	Turbine Shaft Front Bushing
219	A/Trans Fluid Pump Cover Assembly
220	Converter Feed Limit Valve
221	Converter Feed Limit Valve Spring
222	Valve Spring Retainer
223	Pressure Relief Ball Valve Spring Pin
224	Pressure Relief Ball Valve Spring
225	Pressure Relief Ball Valve
226	TCC Control Valve Spring
227	TCC Control Valve
228	Turbine Shaft Rear Bushing
229	1-2-3-4 and 3-5 Reverse Clutch Housing Thrust Washer
230	1-2-3-4 and 3-5 Reverse Clutch Fluid Seal Ring
231	Bolt, M6 x 40 mm
232	A/Trans Fluid Pump Locator Pin
233	Pressure Regulator Valve
234	Pressure Regulator Valve Outer Spring
235	Pressure Regulator Valve Inner Spring
236	Isolator Valve
237	Isolator Valve Sleeve

Fig 4: View Of Control Valve Assembly (With Body & Valve)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
301	Bolt, M5 x 36 mm
302	Bolt, M6 x 20 mm
303	A/Trans Input and Output Speed Sensor Assembly
304	Control Valve Upper Body Assembly
305	Control Valve Body Spacer (w/ Gasket) Plate Assembly
306	Control Valve Body Ball Check Valve
307	Control Valve Lower Body Assembly
308	A/Trans Manual Shift Shaft Position Switch Assembly
309	Bolt, M5 x 45 mm
310	Bolt, M5 x 55 mm
311	Filter Plate Assembly
312	Bolt, M5 x 53 mm
314	Control Solenoid (w/ Body and TCM) Valve Assembly
315	A/Trans Manual Shaft Position Switch Wiring Harness Clip
316	A/Trans Input and Output Speed Sensor Wiring Harness Clip

Fig 5: View Of Upper Control Valve Body Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
313	Control Valve Body Locator Pin
321	Control Valve Upper Body
322	Control Valve Body Locator Pin
323	Retainer
324	Actuator Feed Limit Valve Spring
325	Actuator Feed Limit Valve
326	Clutch Regulator Valve Spring
327	CBR1/4-5-6 Clutch Regulator Valve
328	Clutch Regulator Valve Bore Plug
329	Clutch Boost Valve
330	Clutch Boost Valve Spring
334	2-6 Clutch Regulator Valve
335	2-6 Clutch Regulator Valve Gain Valve
336	3-5 Reverse Clutch Regulator Valve
337	1-2-3-4 Clutch Regulator Valve
338	Shuttle Valve

Fig 6: View Of Lower Control Valve Body Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
323	Retainer
328	Clutch Regulator Valve Bore Plug
338	Shuttle Valve
351	Control Valve Lower Body
352	Clutch Select Solenoid Valve
353	Clutch Select Solenoid Valve Spring
354	Manual Valve
355	TCC Regulator Apply Valve
356	Clutch Piston Dam Feed Regulator Valve
357	Clutch Piston Dam Feed Regulator Valve Spring

Fig 7: View Of 1-2-3-4 & 3-5 Reverse Clutch Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
400	3-5 Reverse Clutch Backing Plate Retaining Ring
401	3-5 Reverse Clutch Backing Plate
402	3-5 Reverse Clutch Plate Assembly
403	3-5 Reverse Clutch Plate
404	3-5 Reverse Clutch (Waved) Plate
405	3-5 Reverse Clutch Apply Ring
407	1-2-3-4 Clutch Backing Plate
408	1-2-3-4 Clutch Plate Assembly
409	1-2-3-4 Clutch Plate
410	1-2-3-4 Clutch (Waved) Plate
411	1-2-3-4 Clutch Piston Dam Retaining Ring
412	1-2-3-4 Clutch Piston Dam Assembly
413	1-2-3-4 Clutch Spring
414	1-2-3-4 Clutch Piston
415	1-2-3-4 Clutch Piston Housing Retaining Ring
416	1-2-3-4 Clutch Piston Seal
417	1-2-3-4 Clutch Piston Housing
418	3-5 Reverse Clutch Piston Dam (O-ring) Seal
419	3-5 Reverse Clutch Piston Inner Seal
420	3-5 Reverse Clutch Spring
421	3-5 Reverse Clutch Piston
422	3-5 Reverse Clutch Piston Outer Seal
423	1-2-3-4 Clutch Piston Inner Seal
424	1-2-3-4 Clutch Piston Housing Seal
425	1-2-3-4 Clutch Piston Housing Seal
426	1-2-3-4 and 3-5 Reverse Clutch Housing Rear Bushing
427	1-2-3-4 and 3-5 Reverse Clutch Housing Assembly
428	1-2-3-4 and 3-5 Reverse Clutch Bearing Assembly
429	1-2-3-4 Clutch Backing Plate Retaining Ring

Fig 8: View Of 4-5-6 Clutch Assembly (w/Turbine Shaft)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
431	4-5-6 Clutch Backing Plate Retaining Ring
432	4-5-6 Clutch Backing Plate
433	4-5-6 Clutch Plate Assembly
434	4-5-6 Clutch Plate
435	4-5-6 Clutch (Waved) Plate
436	4-5-6 Clutch Piston Dam Retaining Ring
437	4-5-6 Clutch Piston Dam Assembly
438	4-5-6 Clutch Spring
439	4-5-6 Clutch Piston Assembly
440	Output Carrier Shaft Housing Bushing
441	4-5-6 (w/Turbine Shaft) Housing Assembly
442	Turbine Shaft Fluid Seal Ring
443	Turbine Shaft (O-ring) Seal

Fig 9: View Of 2-6 Clutch Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
450	2-6 Clutch Backing Plate Retaining Ring
451	2-6 Clutch Backing Plate
452	2-6 Clutch Plate Assembly
453	2-6 Clutch Plate
454	2-6 Clutch (Waved) Plate
455	2-6 Clutch Spring Retaining Ring
456	2-6 Clutch Spring
457	2-6 Clutch Piston Assembly
458	Output Carrier Outer Sun Gear Shaft (Front) Bushing
459	Center Support Assembly
460	Output Carrier Outer Sun Gear Shaft Rear Bushing

Fig 10: View Of Low & Reverse Clutch Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
459	Center Support Assembly
461	Low and Reverse Clutch Backing Plate Retaining Ring
462	Low and Reverse Clutch Backing Plate
463	Low and Reverse Clutch Plate Assembly
464	Low and Reverse Clutch Plate
465	Low and Reverse Clutch (Waved) Plate
466	Low and Reverse Clutch Spring Retaining Ring
467	Low Clutch Sprag Assembly
468	Low Clutch Sprag Seal
469	Low and Reverse Clutch Spring
470	Low and Reverse Clutch Piston Assembly

Fig 11: View Of 4-5-6 Clutch Hub Assembly Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
475	4-5-6 Clutch (w/ Output Carrier Shaft) Hub Assembly
476	4-5-6 Clutch Dampener
477	4-5-6 Clutch Dampener Apply Plate
478	4-5-6 Clutch Dampener Retaining Ring

Fig 12: View Of Output Carrier Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
485	Center Support Roller Bearing Assembly
486	Output Carrier Front Sun Gear Thrust Bearing Assembly
487	Output Carrier Front Sun Gear
488	Output Carrier Front Sun Gear Rear Thrust Bearing Assembly
489	Output Carrier Rear Sun Gear
490	Output Carrier
491	Output Carrier Rear Sun Gear Thrust Bearing Assembly - Captured

Fig 13: View Of Output Shaft Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
494	Output Carrier Internal Gear Retaining Ring
495	Output Carrier Internal Front Gear
496	Output Carrier Internal Gear Spacer
497	Output Carrier Internal Rear Gear
498	Output Carrier Bushing
499	Output Shaft Assembly - Model Dependent

Fig 14: View Of Park System Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
12	A/Trans Case Plug
500	Park Pawl Shaft
501	Park Pawl Spring
502	Park Pawl
503	Park Pawl Actuator Assembly
504	Manual Shaft Detent Lever Hub Pin
505	Manual Shaft Detent Lever Assembly
506	Manual Shift Shaft Pin
507	Manual Shift Shaft Seal
508	Manual Shift Shaft
509	Park Pawl Actuator Guide
510	Park Pawl Actuator Guide (O-ring) Seal
511	Park Pawl Actuator Guide Pin