Service Update N202321920 Engine Coolant Inlet Pipe – 2021 Cadillac Chevrolet GMC
NHTSA ID Number: 10187621 Manufacturer Communication Number: N202321920 Summary Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Dealers are to replace the coolant inlet … Read more