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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 77 (HVAC SYSTEM - MANUAL)REPAIR INSTRUCTIONSMODE CONTROL CAM REPLACEMENT
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
Mode Control Cam Replacement
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Mode Control Cam Replacement
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
|
Preliminary Procedures |
|
| 1 | Heater and A/C Control Mode Cam Screw
CAUTION:
Refer to Fastener Caution . Tighten 1.2 N.m (11 lb in) |
| 2 | Heater and A/C Control Mode Cable |
| 3 | Heater and A/C Control Mode Cam Inner Gear |
| 4 | Heater and A/C Control Mode Cam Outer Gear |
| 5 | Heater and A/C Control Mode Cam Inner Gear Retainer |
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.