Adhesives, Fluids, Lubricants, and Sealers
| Application | Type of Material | GM Part Number | Canadian Part Number |
|---|---|---|---|
| Differential Carrier Assembly Case Mating Surfaces | Sealant | GM P/N 1052942 | Canadian P/N 10953466 or equivalent |
| Electric Motor Actuator | Sealant | GM P/N 12346004 or equivalent | Canadian P/N 10953480 or equivalent |
| Front Drive Axle (8.25" S4WD Axle) | Lubricant | GM P/N 89021671 or SAE 80W-90 GL5 | Canadian P/N 10950849 or SAE 80W-90 GL5 |
| Front Drive Axle (8.25" F4WD Axle ) | Lubricant | SAE 75W-90 Synthetic Axle Lubricant GM P/N 89021677 or equivalent meeting GM Specification 9986115 | SAE 75W-90 Synthetic Axle Lubricant Canadian P/N 89021678 or equivalent meeting GM Specification 9986115 |
| Front Drive Axle (9.25" Axle ) | Lubricant | SAE 75W-90 Synthetic Axle Lubricant GM P/N 89021677 or equivalent meeting GM Specification 9986115 | SAE 75W-90 Synthetic Axle Lubricant Canadian P/N 89021678 or equivalent meeting GM Specification 9986115 |
| Front Drive Axle Inner Shaft Housing to Differential Carrier Assembly | Sealant | GM P/N 1052942 (Canadian P/N 10953466) or equivalent | Canadian P/N 10953466 or equivalent |
| Pinion Yoke Splines | Sealant | GM P/N 12346004 (Canadian P/N 10953480) or equivalent | Canadian P/N 10953480 or equivalent |
Scheme 76
| Callout | Component Name |
|---|---|
| 1 | Front Drive Axle Inner Shaft |
| 2 | Front Drive Axle Inner Shaft Seal |
| 3 | Front Drive Axle Inner Axle Shaft Bearing |
| 4 | Front Drive Axle Inner Shaft Housing |
| 5 | Front Drive Axle Clutch Gear Thrust Washer |
| 6 | Front Drive Axle Clutch Gear |
| 7 | Front Drive Axle Inner Shaft Retaining Ring |
| 8 | Front Drive Axle Clutch Sleeve |
| 9 | Front Drive Axle Clutch Shim |
| 10 | Front Drive Axle Actuator |
| 11 | Front Drive Axle Inner Shaft Housing Bolt |
| 12 | Front Drive Axle Clutch Fork Assembly |
| 13 | Front Drive Axle Clutch Fork Inner Spring |
| 14 | Front Drive Axle Clutch Shaft Bearing |
| 15 | Front Drive Axle Clutch Shaft |
| 16 | Front Differential Carrier Bolt |
| 17 | Front Differential Carrier |
| 18 | Front Differential Carrier Half Location Pin |
| 19 | Front Differential Case Bearing |
| 20 | Front Differential Bearing Adjuster Nut |
| 21 | Front Differential Bearing Adjuster Nut Sleeve |
| 22 | Front Differential Side Bearing Cup |
| 23 | Differential Ring Gear Bolt |
| 24 | Front Differential Side Bearing |
| 25 | Front Differential Pinion Gear Shaft |
| 26 | Front Differential Case |
| 27 | Differential Pinion Gear Shaft Lock Bolt |
| 28 | Differential Side Bearing |
| 29 | Differential Side Bearing Cup |
| 30 | Front Differential Ring Gear |
| 31 | Front Differential Half Carrier Location Pin |
| 32 | Front Differential Bearing Adjuster Nut Lock |
| 33 | Differential Pinion Gear |
| 34 | Differential Pinion Gear Thrust Washer |
| 35 | Differential Side Gear Thrust Washer |
| 36 | Differential Side Gear |
| 37 | Differential Pinion Gear |
| 38 | Differential Pinion Gear Thrust Washer |
| 39 | Front Differential Side Gear Spacer |
| 40 | Front Differential Side Gear |
| 41 | Front Differential Side Gear Thrust Washer |
| 42 | Front Differential Drive Pinion Gear |
| 43 | Differential Drive Pinion Gear Bearing Shim |
| 44 | Front Differential Drive Pinion Gear Inner Bearing |
| 45 | Front Differential Drive Pinion Gear Inner Bearing Cup |
| 46 | Front Differential Drive Pinion Gear Bearing Spacer |
| 47 | Front Differential Carrier Bushing |
| 48 | Front Differential Carrier |
| 49 | Front Differential Bearing Adjuster Nut Lock |
| 50 | Bolt |
| 51 | Front Differential Drive Pinion Gear Yoke Nut |
| 52 | Front Differential Drive Pinion Gear Thrust Washer |
| 53 | Front Differential Drive Pinion Gear Yoke |
| 54 | Front Differential Drive Pinion Gear Bearing Dirt Deflector |
| 55 | Front Differential Drive Pinion Gear Seal |
| 56 | Front Differential Drive Pinion Gear Outer Bearing Cup |
| 57 | Front Differential Drive Pinion Gear Outer Bearing |
| 58 | Front Differential Carrier Bushing |
| 59 | Differential Bearing |
| 60 | Front Differential Bearing Adjuster O-Ring Seal |
| 61 | Front Differential Bearing Adjuster |
| 62 | Front Drive Axle Inner Shaft Seal |
| 63 | Front Drive Axle Inner Shaft Retaining Ring |
| 64 | Front Drive Axle Inner Shaft |
| 65 | Front Differential Carrier Vent |
| 66 | Fuel and Oil Resistant Hose |
| 67 | Clamp |
| 68 | Front Differential Carrier Vent Hose Connector |
| 69 | Front Differential Carrier Oil Drain Plug |
| 70 | Front Differential Carrier Oil Drain Plug Washer |
| 71 | Front Differential Carrier Oil Fill Plug |
| 72 | Front Differential Carrier Oil Fill Plug Washer |
Scheme 77
| Callout | Component Name |
|---|---|
| 1 | Output Shaft |
| 2 | Pinion Bearing Spacer |
| 3 | Pinion Head Bearing Assembly |
| 4 | Pinion Shim |
| 5 | Stem Pinion |
| 6 | Pinion Flange Nut |
| 7 | Pinion Flange Washer |
| 8 | Pinion Flange Assembly |
| 9 | Pinion Seal |
| 10 | Pinion Tail Bearing Assembly |
| 11 | Carrier Housing |
| 12 | Output Shaft Seal Assembly |
| 13 | Output Shaft |
| 14 | Drain Plug Assembly |
| 15 | Drain Plug Washer |
| 16 | Fill Plug Assembly |
| 17 | Fill Plug O-ring Seal |
| 18 | Carrier Locator Pin |
| 19 | Vent Connector |
| 20 | Differential Case |
| 21 | Ring Gear |
| 22 | Output Shaft Bearing Assembly |
| 23 | 8-Point Lock Ring |
| 24 | Sleeve and Insert Assembly |
| 25 | Differential Case Bearing Assembly |
| 26 | Differential Cross Pin Lock Pin |
| 27 | Differential Pinion Thrust Washer |
| 28 | Differential Pinion Gear |
| 29 | Differential Side Gear Thrust Washer |
| 30 | Differential Side Gear |
| 31 | Output Shaft Snap Ring |
| 32 | Differential Pinion Gear |
| 33 | Differential Pinion Thrust Washer |
| 34 | Output Shaft Snap Ring |
| 35 | Differential Side Gear |
| 36 | Differential Side Gear Thrust Washer |
| 37 | Differential Cross Pin |
| 38 | Ring Gear Bolt |
| 39 | 8-Point Lock Ring |
| 40 | Sleeve and Insert Assembly |
| 41 | Differential Case Bearing Assembly |
| 42 | Carrier Gasket |
| 43 | Carrier Cover |
| 44 | Tube Locator Pin |
| 45 | Carrier Bolt |
| 46 | Tube Bolt |
| 47 | Output Shaft Seal |
| 48 | Output Shaft Bearing Assembly |
| 49 | Tube |
| 50 | Tube Gasket |
Scheme 78
| Callout | Component Name |
|---|---|
| 1 | Output Shaft |
| 2 | Pinion Bearing Spacer |
| 3 | Pinion Head Bearing Assembly |
| 4 | Pinion Shim |
| 5 | Stem Pinion |
| 6 | Pinion Flange Nut |
| 7 | Pinion Flange Washer |
| 8 | Pinion Flange Assembly |
| 9 | Pinion Seal |
| 10 | Pinion Tail Bearing Assembly |
| 11 | Carrier Housing |
| 12 | Output Shaft Seal Assembly |
| 13 | Output Shaft |
| 14 | Drain Plug Assembly |
| 15 | Drain Plug Washer |
| 16 | Fill Plug Assembly |
| 17 | Fill Plug O-ring Seal |
| 18 | Carrier Locator Pin |
| 19 | Vent Connector |
| 20 | Differential Case |
| 21 | Ring Gear |
| 22 | Output Shaft Bearing Assembly |
| 23 | 8-Point Lock Ring |
| 24 | Sleeve and Insert Assembly |
| 25 | Differential Side Bearing Assembly |
| 26 | Differential Cross Pin Lock |
| 27 | Differential Pinion Thrust Washer |
| 28 | Differential Pinion Gear |
| 29 | Differential Side Gear Washer |
| 30 | Differential Side Gear |
| 31 | Output Shaft Snap Ring |
| 32 | Differential Pinion Gear |
| 33 | Differential Pinion Gear Thrust Washer |
| 34 | Differential Side Gear |
| 35 | Differential Side Gear Washer |
| 36 | Differential Cross Pin |
| 37 | Ring Gear Bolt |
| 38 | Output Shaft Bearing Assembly |
| 39 | 8-Point Lock Ring |
| 40 | Sleeve and Insert Assembly |
| 41 | Differential Side Bearing Assembly |
| 42 | Carrier Gasket |
| 43 | Carrier Cover |
| 44 | Tube Locator Pin |
| 45 | Inner Output Shaft Thrust Washer |
| 46 | Inner Output Shaft Bearing Assembly |
| 47 | Inner Output Shaft |
| 48 | Carrier Bolt |
| 49 | Shifter Spring |
| 50 | Shifter Fork |
| 51 | Shifter Fork Rod |
| 52 | Tube Bolt |
| 53 | Shift Actuator Assembly |
| 54 | Output Shaft Seal Assembly |
| 55 | Output Shaft Bearing Assembly |
| 56 | Tube |
| 57 | Tube Gasket |
| 58 | Output Shaft Locator Thrust Washer |
| 59 | Output Shaft Thrust Washer |
| 60 | Output Shaft Snap Ring |
| 61 | Shifter Sleeve |
Before beginning diagnosis, review the system description and operation in order to familiarize yourself with the system functions. Refer to Front Drive Axle Description and Operation .