Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2025TAHOE COMMERCIAL, 4WDREPAIR AND DIAGNOSISSTEERINGPOWER STEERING SYSTEMSPECIFICATIONSFASTENER SPECIFICATIONS
2025 Chevrolet Tahoe Commercial, 4WD
Fastener Specifications
2025 Chevrolet Tahoe Commercial, 4WDSECTION Fastener Specifications
Electric Belt Drive Rack and Pinion Steering Gear
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Steering Gear Bolt - Upper [2x] | - | - | 100 N.m (74 lb ft) | Electric Belt Drive Rack and Pinion Steering Gear Replacement (- RC1) , or Electric Belt Drive Rack and Pinion Steering Gear Replacement (RC1) |
| 2 | Steering Gear Bolt - Lower [2x] | - | - | First Pass: 175 N.m (129 lb ft) Final Pass: 30 - 45 degrees |
Electric Belt Drive Rack and Pinion Steering Gear Replacement (- RC1) , or Electric Belt Drive Rack and Pinion Steering Gear Replacement (RC1) |
| 3 | Steering Gear Nut [2x] | - | - | - | Electric Belt Drive Rack and Pinion Steering Gear Replacement (- RC1) , or Electric Belt Drive Rack and Pinion Steering Gear Replacement (RC1) |
Power Steering Assist Motor
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Steering Gear Bolt @ Power Steering Assist Motor Belt Tension Access Cover [6x] | Yes | - | Steering Gear Bolt Sequence | Power Steering Assist Motor Replacement (- RC1) , or Power Steering Assist Motor Replacement (RC1) |
| 2 | Power Steering Assist Motor Seal @ Electric Belt Drive Rack and Pinion Steering Gear | Yes | - | - | Power Steering Assist Motor Replacement (- RC1) , or Power Steering Assist Motor Replacement (RC1) |
| 3 | Steering Gear Bolt @ Power Steering Assist Motor [4x] | Yes | - | 28 N.m (21 lb ft) | Power Steering Assist Motor Replacement (- RC1) , or Power Steering Assist Motor Replacement (RC1) |
| 4 | Electric Belt Drive Rack and Pinion Steering Gear Belt | Yes | - | - | Power Steering Assist Motor Replacement (- RC1) , or Power Steering Assist Motor Replacement (RC1) |
| 5 | Power Steering Assist Motor Seal @ Power Steering Assist Motor | Yes | - | - | Power Steering Assist Motor Replacement (- RC1) , or Power Steering Assist Motor Replacement (RC1) |
Steering Gear Boot
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Steering Gear Boot Inner Clamp | Yes | - | - | Steering Gear Boot Replacement (RC1) , or Steering Gear Boot Replacement (- RC1) |
| Steering Gear Bolt Sequence | |||||
|---|---|---|---|---|---|
| Callout | Component Name [Component Quantity] | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
| Metric (English) | |||||
| 1 | Steering Gear Bolt [6x] | Yes | - | 28 N.m (21 lb ft) | Power Steering Assist Motor Replacement (- RC1) , or Power Steering Assist Motor Replacement (RC1) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.