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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 | |
 |  |
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. |
 |  |
| Water Pump Samples: | |
|
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. |
 |  |
 |  |
 |  |
REPAIR PROCEDURE
- Verify customer concern.
- Verify repair.
01-016-16-3220
01-016/16
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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
- 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).
- 5 year/150,000 mile guarantee protects against engine failure caused by freeze-ups or boil-overs
Bestseller No. 2
PEAK OET Extended Life Green 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 Hyundai, Kia, Genesis, Infiniti, Nissan, Mazda, Mitsubishi, 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 400,000 miles or 15 years.
- 50/50 PREDILUTED FOR QUICK TOP OFFS: Already diluted to make topping off your cooling system a breeze
SaleBestseller No. 3
PEAK 50/50 Prediluted Antifreeze and Coolant for All Engine Cooling Systems
- PREDILUTED ANTIFREEZE AND COOLANT: Engineered to support any vehicle's engine cooling system to enhance performance and provide protection. This item contains a bittering agent called Denatonium Benzoate.
- PROPRIETARY BLEND: Contains 10X the scale-fighting inhibitors to ensure maximum cooling performance while protecting against scale, corrosion, and other damage
- SUPERIOR CHEMISTRY: Free from 2-EHA, silicate, nitrite, borate, and amines to keep your vehicle functioning in prime condition
- UNIVERSAL FORMULA: Compatible with any color or type of existing antifreeze and coolant in your car's system
- LONG-LASTING: Offers 2X the average warranty coverage, cooling your engine system for over 10 years or 300,000 miles of service
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
SaleBestseller No. 5
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. 6
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. 7
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. 8
Zerex Original Green Low Silicate Concentrate Antifreeze/Coolant 1 GA, 128 Fl Oz (Pack of 1)
- 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. 9
OEM Recochem Asian Vehicles Premium Antifreeze 50/50 Extended Life Coolant Green, 1 Gallon, 1 Pack
- Specifically designed to match the needs of your car, OEM fluids keep your vehicle performing at its best. Drive with confidence. Drive with OEM.
- Compatible for Select: Hyundai, Infiniti, Isuzu, Kia, Mazda, Mitsubishi, Nissan, Subaru, Acura, Honda, Suzuki models
- OEM Extended Life Antifreeze/Coolant is available in ready-to-use or concentrate formulations
- Fully compatible with other similarly formulated extended life coolants.
- Product contains bitterant
Bestseller No. 10
YzusGomumu Front Engine Coolant Reservoir Tank with Cap Compatible with 2004-2013 Mazda 3, 2009-2013 Mazda 3 Sport, Coolant Tank Replaces LF5015350 5M5H8K218AA
- Function: The coolant reservoir is an important part of the cooling system, which can store excess coolant when the engine heats up and cools down. Keep the engine operating at a normal temperature
- Compatible With: 2004 - 2013 Mazda 3; 2009 - 2013 Mazda 3 Sport
- Replace Part Numbers: 603-043 5M5H8K218AA LF5015350 LF5015350A LF5015350B LF5015350C LF8B15350A LF8B15350B LF8B15360A LFR515360
- Premium Quality: Made from stable and outstanding PA plastic materials to withstand the rigors of the engine compartment. Its rugged, corrosion-resistant design ensures long-term durability and minimizes the risk of leakage or failure
- Package Included: 1x Radiator Coolant Overflow Reservoir Tank with Cap
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