Fastener Specifications
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of GENERAL MOTORS COMPANY Differential Carrier and Components
| Callout |
Component Name [Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Differential Drive Pinion Gear Nut |
Yes |
Yes |
First Pass: Tighten nut slowly until pinon endplay is just taken up.
Final Pass: +/- 1 N.m (8.8lb in) from the original rotating torque measured prior to disassembly |
Differential Drive Pinion Gear Seal Replacement (LSY, RWL)Differential Drive Pinion Gear Seal Replacement (L3B, RWL)Differential Drive Pinion Gear Seal Replacement (LSY, F46)Differential Drive Pinion Gear Seal Replacement (L3B, F46)Differential Drive Pinion Gear Seal Replacement (LF4) |
| 2 |
Differential Drive Pinion Gear Seal |
Yes |
- |
- |
Differential Drive Pinion Gear Seal Replacement (LSY, RWL)Differential Drive Pinion Gear Seal Replacement (L3B, RWL)Differential Drive Pinion Gear Seal Replacement (LSY, F46)Differential Drive Pinion Gear Seal Replacement (L3B, F46)Differential Drive Pinion Gear Seal Replacement (LF4) |
| 3 |
Differential Carrier Bushing [2x] |
Yes |
- |
- |
Differential Carrier Bushing Replacement (LSY, RWL)Differential Carrier Bushing Replacement (L3B, RWL)Differential Carrier Bushing Replacement (LSY, F46)Differential Carrier Bushing Replacement (L3B, F46)Differential Carrier Bushing Replacement (LF4) |
| 4 |
Rear Wheel Drive Shaft Retaining Ring [2x] |
Yes |
- |
- |
Rear Axle Shaft Replacement - Left Side (LSY)Rear Axle Shaft Replacement - Left Side (L3B)Rear Axle Shaft Replacement - Left Side (LF4)
, Rear Axle Shaft Replacement - Right Side (LSY)Rear Axle Shaft Replacement - Right Side (L3B)Rear Axle Shaft Replacement - Right Side (LF4) |
| 5 |
Rear Axle Shaft Seal [2x] |
Yes |
- |
- |
Rear Axle Shaft Seal Replacement - Left Side (LSY)Rear Axle Shaft Seal Replacement - Left Side (L3B)Rear Axle Shaft Seal Replacement - Left Side (LF4)
, Rear Axle Shaft Seal Replacement - Right Side (LSY)Rear Axle Shaft Seal Replacement - Right Side (L3B)Rear Axle Shaft Seal Replacement - Right Side (LF4) |
| 6 |
Rear Axle Housing Vent |
- |
- |
25 N.m (18 lb ft) |
Rear Axle Housing Vent Replacement |
| 7 |
Differential Carrier Drain Plug |
- |
- |
50 N.m (37 lb ft) |
Rear Axle Lubricant Replacement (LSY)Rear Axle Lubricant Replacement (L3B)Rear Axle Lubricant Replacement (LF4) |
| 8 |
Differential Carrier Fill Plug |
- |
- |
50 N.m (37 lb ft) |
Rear Axle Lubricant Level Inspection (LSY)Rear Axle Lubricant Level Inspection (L3B)Rear Axle Lubricant Level Inspection (LF4) |
Courtesy of GENERAL MOTORS COMPANY Differential Carrier and Components - LF4
| Callout |
Component Name [Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Differential Drive Pinion Gear Nut |
Yes |
Yes |
350 N.m (258 lb ft) |
Differential Drive Pinion Gear Seal Replacement (LSY, RWL)Differential Drive Pinion Gear Seal Replacement (L3B, RWL)Differential Drive Pinion Gear Seal Replacement (LSY, F46)Differential Drive Pinion Gear Seal Replacement (L3B, F46)Differential Drive Pinion Gear Seal Replacement (LF4) |
| 2 |
Differential Drive Pinion Gear Seal |
Yes |
- |
- |
Differential Drive Pinion Gear Seal Replacement (LSY, RWL)Differential Drive Pinion Gear Seal Replacement (L3B, RWL)Differential Drive Pinion Gear Seal Replacement (LSY, F46)Differential Drive Pinion Gear Seal Replacement (L3B, F46)Differential Drive Pinion Gear Seal Replacement (LF4) |
| 3 |
Differential Carrier Bushing [2x] |
Yes |
- |
- |
Differential Carrier Bushing Replacement (LSY, RWL)Differential Carrier Bushing Replacement (L3B, RWL)Differential Carrier Bushing Replacement (LSY, F46)Differential Carrier Bushing Replacement (L3B, F46)Differential Carrier Bushing Replacement (LF4) |
| 4 |
Rear Wheel Drive Shaft Retaining Ring [2x] |
Yes |
- |
- |
Rear Axle Shaft Replacement - Left Side (LSY)Rear Axle Shaft Replacement - Left Side (L3B)Rear Axle Shaft Replacement - Left Side (LF4)
, Rear Axle Shaft Replacement - Right Side (LSY)Rear Axle Shaft Replacement - Right Side (L3B)Rear Axle Shaft Replacement - Right Side (LF4) |
| 5 |
Rear Axle Shaft Seal [2x] |
Yes |
- |
- |
Rear Axle Shaft Seal Replacement - Left Side (LSY)Rear Axle Shaft Seal Replacement - Left Side (L3B)Rear Axle Shaft Seal Replacement - Left Side (LF4)
, Rear Axle Shaft Seal Replacement - Right Side (LSY)Rear Axle Shaft Seal Replacement - Right Side (L3B)Rear Axle Shaft Seal Replacement - Right Side (LF4) |
 Courtesy of GENERAL MOTORS COMPANY
|
Differential Carrier Mounting and Components
| Callout |
Component Name [Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Differential Carrier Rear Bolt[2x] |
- |
- |
First Pass: 50N.m (37 lb ft)
Final Pass: 90 degrees |
Differential Carrier Assembly Replacement (LSY, RWL)Differential Carrier Assembly Replacement (L3B, RWL)Differential Carrier Assembly Replacement (LSY, F46)Differential Carrier Assembly Replacement (L3B, F46)Differential Carrier Assembly Replacement (LF4) |
| 2 |
Differential Carrier Nut[2x] |
- |
- |
- |
Differential Carrier Assembly Replacement (LSY, RWL)Differential Carrier Assembly Replacement (L3B, RWL)Differential Carrier Assembly Replacement (LSY, F46)Differential Carrier Assembly Replacement (L3B, F46)Differential Carrier Assembly Replacement (LF4) |
| 3 |
Differential Carrier Rear Bushing |
Yes |
- |
- |
Differential Carrier Rear Bushing Replacement (LSY, RWL)Differential Carrier Rear Bushing Replacement (L3B, RWL)Differential Carrier Rear Bushing Replacement (LSY, F46)Differential Carrier Rear Bushing Replacement (L3B, F46)Differential Carrier Rear Bushing Replacement (LF4) |
| 4 |
Differential Carrier Rear Bolt |
Yes |
- |
First Pass: 220 N.m (162 lb ft)
Final Pass: 60 degrees |
Differential Carrier Assembly Replacement (LSY, RWL)Differential Carrier Assembly Replacement (L3B, RWL)Differential Carrier Assembly Replacement (LSY, F46)Differential Carrier Assembly Replacement (L3B, F46)Differential Carrier Assembly Replacement (LF4) |
 Courtesy of GENERAL MOTORS COMPANY
|
Differential Carrier Mounting and Components - LF4
| Callout |
Component Name [Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Differential Carrier Rear Bolt [2x] |
Yes |
- |
First Pass: 50N.m (37 lb ft)
Final Pass: 90 degrees |
Differential Carrier Assembly Replacement (LSY, RWL)Differential Carrier Assembly Replacement (L3B, RWL)Differential Carrier Assembly Replacement (LSY, F46)Differential Carrier Assembly Replacement (L3B, F46)Differential Carrier Assembly Replacement (LF4) |
| 2 |
Differential Carrier Nut [2x] |
Yes |
- |
- |
Differential Carrier Assembly Replacement (LSY, RWL)Differential Carrier Assembly Replacement (L3B, RWL)Differential Carrier Assembly Replacement (LSY, F46)Differential Carrier Assembly Replacement (L3B, F46)Differential Carrier Assembly Replacement (LF4) |
| 3 |
Differential Carrier Rear Bushing |
Yes |
- |
- |
Differential Carrier Rear Bushing Replacement (LSY, RWL)Differential Carrier Rear Bushing Replacement (L3B, RWL)Differential Carrier Rear Bushing Replacement (LSY, F46)Differential Carrier Rear Bushing Replacement (L3B, F46)Differential Carrier Rear Bushing Replacement (LF4) |
| 4 |
Differential Carrier Rear Bolt |
Yes |
- |
First Pass: 220N.m (162 lb ft)
Final Pass: 60 degrees |
Differential Carrier Assembly Replacement (LSY, RWL)Differential Carrier Assembly Replacement (L3B, RWL)Differential Carrier Assembly Replacement (LSY, F46)Differential Carrier Assembly Replacement (L3B, F46)Differential Carrier Assembly Replacement (LF4) |
 Courtesy of GENERAL MOTORS COMPANY
|
Limited Slip Differential Clutch Motor Bolt
| Callout |
Component Name [Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Electronic Limited Slip Differential Control Module Bolt [4x] |
- |
- |
8 N.m (71 lb in) |
Limited Slip Differential Clutch Motor Replacement |
| 2 |
Limited Slip Differential Clutch Motor Seal |
Yes |
- |
- |
Limited Slip Differential Clutch Motor Replacement |
 Courtesy of GENERAL MOTORS COMPANY
|
Rear Differential Clutch Control Module
| Callout |
Component Name[Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Electronic Limited Slip Differential Control Module Bolt [4x] |
- |
- |
9 N.m (80 lb in) |
Rear Differential Clutch Control Module Replacement |
 Courtesy of GENERAL MOTORS COMPANY
|
Rear Differential Plugs and Vent - LF4
| Callout |
Component Name[Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Rear Axle Housing Vent |
- |
- |
25 N.m (18 lb ft) |
Rear Axle Housing Vent Replacement |
| 2 |
Differential Carrier Fill Plug |
- |
- |
50 N.m (37 lb ft) |
Rear Axle Lubricant Replacement (LSY)Rear Axle Lubricant Replacement (L3B)Rear Axle Lubricant Replacement (LF4) |
| 3 |
Differential Carrier Drain Plug |
- |
- |
50 N.m (37 lb ft) |
Rear Axle Lubricant Level Inspection (LSY)Rear Axle Lubricant Level Inspection (L3B)Rear Axle Lubricant Level Inspection (LF4) |
 Courtesy of GENERAL MOTORS COMPANY
|
Transmission Fluid Cooler Pipe Bolts
| Callout |
Component Name[Component Quantity] |
Single Use Fastener/Component |
Thread Locking Adhesive Required |
Specification |
Procedure |
| Metric (English) |
| 1 |
Transmission Fluid Cooler Pipe Bolt |
- |
- |
9 N.m (80 lb in) |
Differential Oil Cooler Inlet Hose Replacement |
| 2 |
Transmission Fluid Cooler Pipe Clip Bolt |
- |
- |
9 N.m (80 lb in) |
Differential Oil Cooler Inlet Hose Replacement |