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| Subject: WATER PUMP COOLANT LEAK | Bulletin No: 01-016/16 |
| Last Issued: 08/26/2016 |
BULLETIN NOTE
This bulletin supersedes the previously issued bulletin(s) listed below: The changes are noted in Red beside the change bars.
| Previously issued TSBs: | Date issued: |
| 01-004/09 | 02/03/2009 |
APPLICABLE MODEL(S)/VINS
| 2004-2017 Mazda3 | 2016-2017 Mazda CX-3 | 2007-2017 Mazda CX-9 |
| 2006-2015 Mazda5 | 2013-2017 Mazda CX-5 | 2004-2005 Mazda Miata |
| 2003-2017 Mazda6 | 2007-2012 Mazda CX-7 | 2006-2017 Mazda MX-5 |
DESCRIPTION
There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole. This Service Bulletin is to inform you about the water pump sealing mechanism and the criteria if replacement is necessary or not.
| Normal Water Pump coolant seepage | |
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A mechanical seal (A) is used for the water pump. This mechanical seal can seal coolant (B) by sliding a mating ring (C) against a seal ring (D). When the sliding surface temperature of the mechanical seal is more than 248 °F (120 °C) while driving, a small amount of steam (E) is leaked and bleeds through the bleeding hole (F). After drying, the steam leaves a green coolant deposit near the water pump bleed hole (F). This is a normal condition and does not require water pump replacement. The water pump should only be replaced if there is an accumulation of crystallized coolant near the bleed hole.
| Bleed hole (F) is located under water pump | Dried coolant steam shows as green-color deposit at bleed hole. |
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| Water Pump Samples: | |
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GOOD No accumulation of crystallized coolant. DO NOT replace the water pump. |
NG Accumulation of crystallized coolant near the bleed hole (F). Replace the water pump. |
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REPAIR PROCEDURE
- Verify customer concern.
- Verify repair.
01-016-16-3220
01-016/16
https://www.nhtsa.gov/recalls?nhtsaId=10092584
https://static.nhtsa.gov/odi/tsbs/2016/SB-10092584-6903.pdf
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Bestseller No. 1
Zerex Asian Vehicle Green Silicate and Borate Free 50/50 Ready-to-Use Antifreeze/Coolant 1 GA
- UNSURPASSED FREEZE PROTECTION AND ANTI-BOIL PERFORMANCE outperforms industry standards.Fit Type: Universal
- PHOSPHATE ADDITIVES SAFEGUARD AGAINST 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 GREEN 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).
Bestseller No. 2
PEAK OET Extended Life Green Concentrate Antifreeze/Coolant for Asian Vehicles, 1 Gal.
- 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 ASIAN VEHICLES: Recommended for use with Hyundai, Infiniti, Kia, Mitsubishi, Nissan, Subaru, and Suzuki vehicles that require a GREEN Phosphate-enhanced Organic acid technology (POAT) 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
SaleBestseller No. 3
Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA, light yellow/green.
- CONTAINS ALUGARD PLUS FOR COMPATIBLITY WITH ALL ETHYLNE GLYCOL-BASED COOLANTS in automobiles and light duty trucks.Fit Type: Universal
- FIGHTS CORROSION, SCALING 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 YELLOW 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).
- To use it in all makes and models designed to use ASTM D3306
Bestseller No. 4
PEAK OET Extended Life Red/Pink 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
- 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 ASIAN VEHICLES: Recommended for use with Lexus, Scion, and Toyota vehicles that require a RED/PINK Phosphate-Enhanced Organic Acid Technology (POAT) formula
- GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection up to 150,000 miles or 5 years.
- 50/50 PREDILUTED FOR QUICK TOP OFFS: Already diluted to make topping off your cooling system a breeze
Bestseller No. 5
Pentosin 8115215 Pentofrost A2 US MX 50/50 Prediluted 'Green' Antifreeze/Coolant - Compatible with Select Hyundai, Infiniti, Kia, Mazda, Mitsubishi, Nissan, Subaru, Suzuki; 1 Gallon Jug
- Pentofrost A2 50/50 Prediluted is a ready-to-use Antifreeze/Coolant for select Asian vehicles that specify 'green' Antifreeze/Coolant - just pour and go, no dilution necessary
- Pentofrost A2 Prediluted is guaranteed to prevent lime formation, protect against corrosion and cavitation, and will never foam
- Formulated with phosphates and organic salts that protect all materials and components used in Asian vehicle cooling systems
- Contains no silicate, borate, nitrite, or amine additives since they can cause cooling system damage in these applications
- OE Reference Numbers: Kia/Hyundai: 00232-19010; Mazda: 0000-77-501E-02; Mitsubishi: MZ311986; Nissan/Infiniti: 999MP-AF000P; Subaru: SOA868V9210; Suzuki: 99951-50000
SaleBestseller No. 6
Shellzone 50/50 Pre-Diluted Antifreeze + Coolant (1 Gallon, Single Pack)
- Universal formula for both automotive and heavy duty diesel engines
- Excellent heat transfer properties and superior anti-foam characteristics
- Superior corrosion protection for aluminum, brass, copper, solder, steel, and cast iron
- Compatible with cooling system filters; heavy duty diesel supplemental coolant additives; conventional brands of coolant
- Pre-diluted with 50/50 ratio of antifreeze to deionized water
SaleBestseller No. 7
Zerex Original Green Low Silicate 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
- Provides protection down to -34 degree fahrenheit
- Helps prevent rust and corrosion
- A patented organic acid corrosion inhibitor package to provide extended engine protection against rust and corrosion
- Contains 30 – 50 ppm of denatonium benzoate as a bittering agent
Bestseller No. 8
ANF BRANDS (1 Gallon) - Prestone AF2100 Antifreeze and Coolant: 50/50 Ready to Use, Universal and Sponge
- 1 Gallon Jug of Prestone AF2100 Antifreeze
- 1 ANF Brands Sponge
- Compatible with all vehicles, including all makes, models, years, and fluid colors; supports OAT, POAT, HOAT & IAT.
- Provides antifreeze protection down to -34°F and antiboil/overheat protection up to +265°F.
- Ready to Use Formula: Prediluted 50/50 solution. contains a bittering agent.
Bestseller No. 9
PEAK Global Lifetime 50/50 Prediluted Antifreeze and Coolant for All Vehicles, 1 Gal.
- PREDILUTED ANTIFREEZE AND COOLANT: Efficient formula is compatible with all vehicle cooling systems, providing fast-acting and long-lasting protection on all cooling system metals against rust and corrosion
- NON-ABRASIVE FORMULA: Created with Organic Acid Technology, this ethylene glycol-based coolant formula is compatible with other antifreeze and coolant formulations. This item contains a bittering agent called Denatonium Benzoate.
- ALL VEHICLE: Versatile and formulated for use in all American, Asian, and European automobiles including cars and low/medium to heavy duty trucks of all makes, models, and years
- SAFE FOR FILLS AND TOP-OFFS: The amber color will not effect the antifreeze currently in your cooling system
- LIFETIME PERFORMANCE: Provides cooling system protection for your automobile's entire lifetime with proper maintenance
Bestseller No. 10
OEM Recochem 86-384GROEMH Green Premium Antifreeze 50/50 Extended Life Green
- Application: Newer model foreign cars and light duty trucks
- Recommended for: Hyundai, Infiniti, Isuzu, Kia, Mazda, Mitsubishi, Nissan, Subaru, Acura, Honda, Suzuki
- Meets or exceeds performance requirements ASTM D3306 and JIS K2234
- Recommended change interval: 250,000 km or 5 years service protection. For best results, do not mix with conventional high pH, borate or silicate based antifreeze/coolant.
- Product contains bitterant
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