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NHTSA ID Number: 10096234
Manufacturer Communication Number: PIT5491
Summary
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLE WITH POOR HEAT. TECHNICIAN WILL REMOVE THE TEMPERATURE ACTUATOR AND INSPECT FOR CRACKS. IF THE SHAFT IS CRACKED IN ONE PLACE, INSTALL A #4 HOSE CLAMP OVER THE TEMPERATURE VALVE SHAFT. IF THE SHAFT IS CRACKED IN MORE THAN ONE PLACE OR A PIECE IS MISSING, THE TEMPERATURE VALVE MUST BE REPLACED.
4 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CHEVROLET | COLORADO | 2015-2016 |
| GMC | CANYON | 2015-2016 |
Parts
| Description | Qty | Part Number |
| Temperature Valve | 1 | 23135682 |
SEOCONTENT-START
Bulletin No.: PIT5491
Date: Feb-2016
| Subject: | Poor Heater Performance |
| Models: | 2015-2016 Chevrolet Colorado |
| 2015-2016 GMC Canyon |
Condition/Concern
The customer may state the heater blows cold air. The technician may find that relearning the HVAC doors may eliminate this concern for a short time. Upon inspection the technician may find a cracked or broken shaft on the temperature valve.
Recommendation/Instructions
Remove the temperature actuator and inspect for cracks. If the shaft is cracked in one place, install a #4 hose clamp over the temperature valve shaft as shown below. It is not necessary to remove the door to add the clamp. If the shaft is cracked in more than one place or a piece is missing, the temperature valve must be replaced.
Parts Information
| Part Number | Description | Qty |
| 23135682 |
Temperature Valve | 1 |
Warranty Information
For vehicles repaired under warranty use:
| Labor Operation | Description | Labor Time |
| 4480398* | Install Clamp On Temperature Valve Shaft | 0.3 hr |
| * This is an unique labor operation for bulletin use only. | ||
| Labor Operation | Description | Labor Time |
| 4411520 | Replace Temperature Valve | Use Published Labor Time |
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
SEOCONTENT-END
Bulletin No.: PIT5491
Date: Feb-2016
https://www.nhtsa.gov/recalls?nhtsaId=10096234
https://static.nhtsa.gov/odi/tsbs/2016/MC-10096234-2280.pdf
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- 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 50percent 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
- 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.
- Includes the Prestone protection package that meets environment and scale protection standards for the cooling system.
- 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
- Provides effective, long-term corrosion protection for aluminum, brass, cast iron, steel, solder, and copper
- Superior high temperature for aluminum protection, resulting in longer component life
- Silicate-free formula maintains good as new heat transfer, and reduces silicate gel formation in use or in storage
- 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
- Protects against temperature extremes and the ravages of rust and corrosion
- 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
- DESIGNED FOR NORTH AMERICAN VEHICLES: Recommended for use with Ford, Chrysler, and GM vehicles that require an orange organic acid technology formula
- 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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