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NHTSA ID Number: 10205539
Manufacturer Communication Number: 19NA104
Summary
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
419 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| BUICK | CASCADA | 2016-2019 |
| BUICK | ENCLAVE | 2014-2022 |
| BUICK | ENCORE | 2014-2022 |
| BUICK | ENCORE GX | 2020-2022 |
| BUICK | ENVISION | 2016-2022 |
| BUICK | LACROSSE | 2014-2019 |
| BUICK | REGAL | 2014-2020 |
| BUICK | VERANO | 2014-2017 |
| CADILLAC | ATS | 2014-2019 |
| CADILLAC | CT4 | 2020-2022 |
| CADILLAC | CT5 | 2020-2022 |
| CADILLAC | CT6 | 2016-2020 |
| CADILLAC | CTS | 2014-2019 |
| CADILLAC | CTS-V | 2014 |
| CADILLAC | ELR | 2014-2017 |
| CADILLAC | ESCALADE | 2014-2022 |
| CADILLAC | ESCALADE ESV | 2014-2022 |
| CADILLAC | SRX | 2014-2016 |
| CADILLAC | XT4 | 2019-2022 |
| CADILLAC | XT5 | 2017-2022 |
| CADILLAC | XT6 | 2020-2022 |
| CADILLAC | XTS | 2014-2019 |
| CHEVROLET | 3500 | 2014, 2016-2022 |
| CHEVROLET | 4500 | 2017-2020, 2022 |
| CHEVROLET | 4500HD | 2017-2022 |
| CHEVROLET | 4500XD | 2017-2022 |
| CHEVROLET | 5500HD | 2017-2022 |
| CHEVROLET | 5500XD | 2018-2022 |
| CHEVROLET | AVEO | 2014-2016, 2018 |
| CHEVROLET | BLAZER | 2019-2022 |
| CHEVROLET | BOLT EUV | 2022 |
| CHEVROLET | BOLT EV | 2017-2022 |
| CHEVROLET | CAMARO | 2014-2016, 2018-2022 |
| CHEVROLET | CAPRICE | 2014-2017 |
| CHEVROLET | CAPTIVA | 2014-2016, 2018 |
| CHEVROLET | CITY EXPRESS | 2015-2017 |
| CHEVROLET | COLORADO | 2014-2022 |
| CHEVROLET | CORVETTE | 2014-2022 |
| CHEVROLET | CRUZE | 2014-2019 |
| CHEVROLET | EQUINOX | 2014-2022 |
| CHEVROLET | EXPRESS | 2014-2022 |
| CHEVROLET | IMPALA | 2014-2016, 2018-2020 |
| CHEVROLET | LOW CAB 5500 | 2017 |
| CHEVROLET | LOW CAB FORWARD 6500 | 2018 |
| CHEVROLET | MALIBU | 2014-2022 |
| CHEVROLET | N300 | 2014, 2018 |
| CHEVROLET | N300 MAX | 2017 |
| CHEVROLET | S10 | 2018 |
| CHEVROLET | SILVERADO 1500 | 2014, 2017-2022 |
| CHEVROLET | SILVERADO 2500 | 2014-2022 |
| CHEVROLET | SILVERADO 4500HD | 2019-2022 |
| CHEVROLET | SILVERADO 6500HD | 2019-2022 |
| CHEVROLET | SONIC | 2014-2020 |
| CHEVROLET | SPARK | 2014-2016, 2018-2022 |
| CHEVROLET | SPARK EV | 2014-2017 |
| CHEVROLET | SS | 2014-2017 |
| CHEVROLET | SUBURBAN | 2014-2022 |
| CHEVROLET | TAHOE | 2014-2022 |
| CHEVROLET | TRAILBLAZER | 2018, 2021-2022 |
| CHEVROLET | TRAVERSE | 2014-2022 |
| CHEVROLET | TRAX | 2014-2022 |
| CHEVROLET | VOLT | 2014-2019 |
| GMC | ACADIA | 2014-2022 |
| GMC | CANYON | 2015-2022 |
| GMC | HUMMER EV | 2022 |
| GMC | SAVANA | 2014-2022 |
| GMC | SIERRA 1500 | 2014, 2019-2022 |
| GMC | SIERRA 2500 | 2014-2022 |
| GMC | SIERRA 3500 | 2019-2022 |
| GMC | SIERRA DENALI | 2015-2019 |
| GMC | TERRAIN | 2014-2022 |
| GMC | YUKON | 2014-2022 |
| GMC | YUKON XL | 2014-2022 |
Condition
Note: The video above shows an example of the Cadillac XT4 model. On other vehicles, the condition would look similar, except for Chevrolet Corvette on which the steam would be seen leaving the hood vent.
Some customers may comment that steam is coming from the front grille at idle, or on seeing vapor coming from the radiator after car washes.
Cause
The cause of the condition may be the result of rain or car wash runoff water reaching the condenser, radiator and fan module (CRFM). The water can become vaporized and, with the right weather conditions, can become visible condensate.
Correction
Please communicate to the customer that the CRFM system is functioning as designed, and this is a normal condition of their vehicle. Please share this information with the customer, including a copy of this bulletin.
SEOCONTENT-START
Service Bulletin Bulletin No.: 19-NA-104
Date: November, 2021
INFORMATION
Subject: Steam/Vapor Coming from Front Grille or Radiator Area
Brand: Model:
Model Year: VIN:
Engine: Transmission:
from to from to
Buick
GM
Passenger
Cars and
Trucks
2014 2022 — — All All
Cadillac
Chevrolet
GMC
Involved Region or Country North America, Europe, Russia, Middle East, Israel, South America, Japan, China,
Thailand, Egypt, Africa
Condition
Note: The video above shows an example of the Cadillac XT4 model. On other vehicles,
the condition would look similar, except for Chevrolet Corvette on which the steam would
be seen leaving the hood vent.
Some customers may comment that steam is coming from the front grille at idle, or on
seeing vapor coming from the radiator after car washes.
Cause
The cause of the condition may be the result of rain or car wash runoff water reaching the
condenser, radiator and fan module (CRFM). The water can become vaporized and, with
the right weather conditions, can become visible condensate.
Correction
Please communicate to the customer that the CRFM system is functioning as designed,
and this is a normal condition of their vehicle. Please share this information with the
customer, including a copy of this bulletin.
Version 4
Modified Released May 09, 2019
June 10, 2019 – Added the 2014-2019 Model Years, all GM Corporate Wide Models,
updated the Involved Region or Country section and added a Note to the Condition.
February 28, 2020 – Added the 2020 Model Year.
November 08, 2021 – Added the 2021-2022 Model Years.
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 19-NA-104
Date: November, 2021
https://www.nhtsa.gov/recalls?nhtsaId=10205539
MC-10205539-9999.pdf 492.144KB
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NHTSA ID Number: 10163237
Manufacturer Communication Number: 19NA104
Summary
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
1 Associated Document
Manufacturer Communications
Bulletin No.: 19-NA-104
Date: June, 2019
https://www.nhtsa.gov/recalls?nhtsaId=10163237
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NHTSA ID Number: 10161951
Manufacturer Communication Number: 19NA104
Summary
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
1 Associated Document
Manufacturer Communications
Bulletin No.: 19-NA-104
Date: May, 2019
https://www.nhtsa.gov/recalls?nhtsaId=10161951
MC-10161951-9999.pdf 486.331KB
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- UNSURPASSED FREEZE PROTECTION AND ANTI-BOIL PERFORMANCE outperforms industry standards
- ORGANIC ACID TECHNOLOGY RESISTS RUST, SCALE & CORROSION while protecting all cooling system metals (including aluminum)
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- OEM
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- When diluted 50% with water, ZEREX DEX-COOL protects modern engine components from winter freezing and summer boiling
- For any product use or product technical questions call 1-800-TEAM-VAL
- ZEREX DEX-COOL antifreeze coolant is approved by General Motors to the GM 6277M specification
- ZEREX DEX-COOL antifreeze coolant contains no phosphates, silicates, borates, nitrates, amines and nitrites
- Valvoline ZEREX DEX-COOL antifreeze coolant is a patented* carboxylate formulation with a service life of up to five years or 150,000 miles
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- Contains a bittering agent
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- UNSURPASSED FREEZE PROTECTION AND ANTI-BOIL PERFORMANCE outperforms industry standards
- ORGANIC ACID TECHNOLOGY RESISTS CORROSION, SCALE AND RUST while protecting all cooling system metals (including aluminum)
- HIGH-QUALITY ADDITIVES PROTECT AGAINST LEAKS and won’t harm gaskets, hoses, plastics or original vehicle finish
- PRE-MIXED ORANGE FORMULA IS READY-TO-USE in a 50/50 ratio with deionized water to protect all modern engine components from winter freezing (-34F) and summer boiling (265F).
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