NHTSA Complaint #11565116 — 2021 CHEVROLET TAHOE

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11565116
Vehicle	2021 CHEVROLET TAHOE
Component	ENGINE
Date of Incident	January 10, 2024
Date Filed	January 12, 2024
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CA

Consumer Description

The failed component was reported to be the Coolant Surge Tank. This component cracked and begin to leak engine coolant causing the vehicle to overheat and become undrivable. This failure also lead the inoperability of the heating system inside the cabin of the vehicle. The failure of this component is widespread knowledge in the Chevrolet Tahoe/Suburban and GMC Yukon ownership community. In some cases dealerships are purposely marking up the cost of replacement components due to the scarcity caused by this failure and production issue within GM. The only symptoms of this issue were overheating and inoperable cabin heater. No warning lights or messages were displayed.

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