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Chevrolet · Known Issues

2020 Chevrolet Silverado Problems: 1 Known Issue

2020 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020 Chevrolet Silverado has 1 documented issue. None of the listed issues is rated critical; this is not a complete reliability assessment. Across all issues with published estimates, repair costs range from $400 to $1,200. DIY maintenance guides at au7o.io.

In This Article

  • Silverado HVAC1
  • Recalls2
  • FAQ
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In This Article

  • HVAC1
  • Recalls2
  • FAQ

All 1 Known Issue

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On the 2014-2020 Chevrolet Silverado, the A/C condenser on K2XX-platform Silverados is a chronic failure point — the condenser develops cracks at the side spot-welds (thermal-stress fatigue) and the discharge line/hose can flex and crack, both of which leak refrigerant and leave the A/C blowing warm air. It was the #1 complaint on the 2014 model year. Because GM's condenser is a 'combi-cooler' with an integrated transmission oil cooler, a failure can affect both cabin cooling and transmission temps. GM acknowledged it with TSB PIT5331 (revised discharge tube + anti-flex bracket, part 23264893) and Special Coverage Adjustment 17336, extending warranty on the specific leak to 5 years / 60,000 miles — but never issued a safety recall. Heavily searched and reported.

This issue also affects: Chevrolet Tahoe, GMC Yukon, GMC Sierra 1500

Common Symptoms

  • A/C blows warm or only mildly cool air
  • A/C cools then quits, especially in heat / at idle
  • Refrigerant leak (oily residue at condenser)
  • Hissing on shutdown
  • Bad/musty odor from vents

How to Fix

Have the system leak-tested (UV dye/electronic sniffer) to confirm the condenser/discharge line is the leak source. Replace the condenser with a revised/updated unit and install the redesigned discharge tube plus the anti-flex bracket per TSB PIT5331, then evacuate and recharge. Check eligibility for GM Special Coverage 17336 — if within 5 yr / 60k mi the repair may be free. Aftermarket condensers (e.g., GM3030306 cross-reference, OE 84537373) are common cost-saving replacements.

Typical repair cost:$400 - $1,200

Research This Issue

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Community Reported
Medium ConfidenceVerifiedReviewed Jun 2026
NHTSA Recalls2 recalls

ELECTRICAL SYSTEM:SOFTWARE

Genera Motors LLC (GM) is recalling certain model year 2016 Chevrolet Camaro, Malibu, Silverado and GMC Sierra vehicles. The radio may intermittently fail to provide an audio warning when the key has been left in the ignition and the door is opened or when the driver does not fasten their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standards (FMVSS) number 114, "Theft Protection", and/or 208, "Occupant Crash Protection."

Campaign #16V08400011/02/2016

AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE

General Motors LLC (GM) is recalling certain model year 2016 Chevrolet Silverado and GMC Sierra pick up trucks manufactured October 13, 2015, to October 14, 2015. In the affected vehicles, the mounting stud used to secure the air bag sensing and diagnostic Module (SDM) may be incorrectly positioned, and as a result, the SDM housing could fracture.

Campaign #15V83000010/12/2015

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

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Other Chevrolet Models

Chevrolet Silverado 150078Chevrolet Corvette59Chevrolet Equinox58Chevrolet Malibu44Chevrolet Camaro40Chevrolet Traverse37

Frequently Asked Questions

What are the most common Chevrolet Silverado problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020 Chevrolet Silverado has 1 documented issue. The documented issue is: A/C Condenser Leak — A/C Blows Warm Air (Spot-Weld Crack / Combi-Cooler Failure). None are rated critical, but regular maintenance is recommended.

Is the Chevrolet Silverado reliable?

The 2020 Chevrolet Silverado has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Chevrolet Silverado problems?

Repair costs for known Chevrolet Silverado issues range from $400 to $1,200, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2014-2020 Chevrolet Silverado A/C Condenser Leak — A/C Blows Warm Air (Spot-Weld Crack / Combi-Cooler Failure)?

The A/C condenser on K2XX-platform Silverados is a chronic failure point — the condenser develops cracks at the side spot-welds (thermal-stress fatigue) and the discharge line/hose can flex and crack, both of which leak refrigerant and leave the A/C blowing warm air. It was the #… Repairs typically run $400-$1,200. Severity: medium.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.