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Home >> Mazda >> 2005 >> B4000 SE, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 611 (Cooling System (2.3L)) >> Engine Coolant Replacement - 2.3L >> Filling and Bleeding

Filling and Bleeding

WARNING: This page is about a different car, the 2005 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Engine coolant provides freeze protection, boil protection, cooling efficiency and corrosion protection to the engine and cooling components. In order to obtain these protections, the engine coolant must be maintained at the correct concentration and fluid level. When adding engine coolant, use a 50/50 mixture of engine coolant and clean, drinkable water.
  • To maintain the integrity of the coolant and the cooling system:
  • Add Mazda Premium Gold Engine Coolant VC-7-A (in Oregon VC-7-B) or equivalent (yellow color). Use the same coolant that was drained from the system. Do not mix coolant types.
  • Do not add Mazda Specialty Orange Engine Coolant VC-2 or equivalent. Mixing coolants can degrade the coolant's corrosion protection.
  • Do not add alcohol, methanol, brine or any engine coolants mixed with alcohol or methanol antifreeze. These can cause engine damage from overheating or freezing.
  • Do not mix recycled coolant unless it meets the requirements of specification VC-7-A (in Oregon VC-7-B). Not all coolant recycling processes meet these specifications. Use of such coolant can harm the engine and cooling system components.
NOTE:
  • The addition of Mazda Cooling System Stop Leak Pellets, VC-6, darkens Mazda Premium Gold Engine Coolant from yellow to golden tan.
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