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NHTSA ID Number: 10161033
Manufacturer Communication Number: PIT5688
Summary
This preliminary information was released to advise of an alternate means of purging the air from the cooling system.
10 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CHEVROLET | COLORADO | 2015-2019 |
| GMC | CANYON | 2015-2019 |
SEOCONTENT-START
Bulletin No.: PIT5688
Published date: 05/20/2019
Preliminary Information
PIT5688 Diagnostic Tip: Gurgle noise from Heater Core after Performing 19-NA-007
Models
Brand: Model: Model Years:
VIN:
from to
Engine: Transmissions:
Chevrolet Colorado 2015 – 2019 All All
All All GMC Canyon 2015 – 2019
All All All All
Involved Region or Country:
North America
Condition: Gurgle noise from heater core , may persist after
performing 19- NA-007.
Cause: Orientation of the filler cap versus the heater core.
It can be difficult to remove the air from the heater core using the Vac N Fill method because the
radiator cap and heater core are at about the same height. If the noise persists, raise the front of
the vehicle a foot with a hoist, add 400ml coolant to the overflow bottle, remove the radiator cap.
Run the engine for an hour running the throttle up to ~1500 RPM 3 or 4 times during the hour.
Engineering and eSI is reviewing this condition and may replace this information with a bulletin.
Warranty Information
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the
following labor operation. Reference the Applicable Warranties section of Investigate Vehicle
History (IVH) for coverage information.
Labor Operation: Description:
Labor Time:
4486028 Purge Air From Heater Core
0.4 hrs.
Version History
Version 1
Created 05/20/2019 – Created on.
SEOCONTENT-END
Bulletin No.: PIT5688
Published date: 05/20/2019
https://www.nhtsa.gov/recalls?nhtsaId=10161033
https://static.nhtsa.gov/odi/tsbs/2019/MC-10161033-9999.pdf
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- ZEREX DEX-COOL antifreeze coolant is approved by General Motors to the GM 6277M specification
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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)
- HIGH-QUALITY ADDITIVES PROTECT AGAINST LEAKS and won’t harm gaskets, hoses, plastics or original vehicle finish
- ORANGE CONCENTRATE FORMULA should be mixed with clean tap water or demineralized water at 50/50 ratio for temperatures -34 to 265F; 60/40 for -62 to 270F; and 70/30 for -84 to 267F
- ACDelco 10-101 DEX COOL (ORANGE)
- Contains A Bittering Agent
- OEM
- Contains a bittering agent
- 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
- When diluted 50% with water, ZEREX DEX-COOL protects modern engine components from winter freezing and summer boiling
- ZEREX DEX-COOL antifreeze coolant is storage stable for up to five years as both a concentrate or diluted with water
- Protects vital engine parts for up to 5 years/150,000 miles with Extended Life Formula.
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- Concentrate formula. Must mix with water (distilled ideal) to the desired mix ratio of EG & water. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.
- All GM vehicles 1995 and newer/GM approved (GMC, Chevrolet, Buick, Cadillac, Pontiac, Saturn, Oldsmobile, Hummer), most Ford vehicles 2011- 2018 (Ford, Lincoln, Mercury) and most Chrysler vehicles 2013 and newer (Ram, Dodge, Jeep, Chrys)
- Contains bitterant
- High-performance, universal automotive antifreeze/coolant with extended life
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- Suitable for a 5-year or 150,000 mile service life in automotive applications; up to of 600,000 miles or 12,000 hours in heavy duty applications
- Recommended and formulated for use in all vehicles that require Dex-Cool coolant
- Also for use with cars and light-duty trucks with aluminum radiators using extended life coolant
- Blend of premium long-lasting inhibitors provides extended performance
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- Good for 5 years or 150,000 miles
- ZEREX DEX-COOL antifreeze coolant is approved 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
- 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
- 1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.
- PROTECTS: Advanced formulation prevents rust & corrosion protecting all engine cooling system components
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- GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
- CONCENTRATED FORMULA: Ideal for flushing, filling, or topping off your cooling system
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