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 MANUALSCHEVROLET2018SUBURBAN FL, RWD, GAS/ETHANOLREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWINDOW MOTORS & REGULATORSFIXED AND MOVEABLE WINDOW SYSTEMDESCRIPTION AND OPERATIONPOWER WINDOWS DESCRIPTION AND OPERATIONPOWER WINDOWS SYSTEM COMPONENTS
2018 Chevrolet Suburban FL, RWD, Gas/Ethanol
Power Windows System Components
2018 Chevrolet Suburban FL, RWD, Gas/EthanolSECTION Power Windows System Components
The power window system consists of the following components:
- Driver window switch
- Passenger window switch
- Left rear window switch
- Right rear window switch
- Window motors in each of the doors
- 30A Fuse
- 5A Fuse
- 30A Fuse
- Body control module (BCM)
| Callout | Component Name |
|---|---|
| S79D | S79D Window Switch - Driver |
| M74D | M74D Window Motor - Driver |
| K9 | K9 Body Control Module |
| S79RR | S79RR Window Switch - Right Rear |
| S79LR | S79LR Window Switch - Left Rear |
| S79P | S79P Window Switch - Passenger |
| M74P | M74P Window Motor - Passenger |
| M74LR | M74LR Window Motor - Left Rear |
| M74RR | M74RR Window Motor - Right Rear |
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.