2004 Mazda B Series; Owners Guide (post-2002-fmt); NEVER decrease the coolant concentration below 40%.- Page 205

2004 Mazda B4000 4WD Truck B Series Owners Manual2

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NEVER decrease the coolant concentration below 40%.

Engine coolant concentrations above 60% or below 40% will
decrease the freeze protection characteristics of the engine
coolant and may cause engine damage.

Plain water may be added in an emergency, but you

must

replace it with

a 50/50 mixture of engine coolant and distilled water as soon as possible.

Check the coolant level in the reservoir before you drive your vehicle the
next few times (with the engine cool). If necessary, add a

50/50

mixture

of engine coolant and distilled water to the engine coolant

reservoir until the coolant level is at the “cold fill level” or within the
“cold fill range” as listed on the reservoir (depending upon application).

Have your dealer check the engine cooling system for leaks if you have
to add more than 1.0 liter (1.0 quart) of engine coolant per month.

WARNING: To avoid scalding hot steam or coolant from being
released from the engine cooling system, never remove the
reservoir cap while the engine is running or hot. Failure to
follow this warning may result in damage to the engine’s cooling
system and possible severe personal injury.

If you must remove the coolant cap, follow these steps to avoid personal
injury:

1. Before you remove the cap, turn the engine off and let it cool.

2. When the engine is cool, wrap a thick cloth around the cap. Slowly

turn cap counterclockwise until pressure begins to release.

3. Step back while the pressure releases.

4. When you are sure that all the pressure has been released, use the

cloth to turn it counterclockwise and remove the cap.

Recycled engine coolant

Not all coolant recycling processes produce coolant which meets Mazda
specification. Use of a recycled engine coolant which does not meet
Mazda specifications may harm engine and cooling system components.

Always dispose of used automotive fluids in a responsible manner.

Follow your community’s regulations and standards for recycling and
disposing of automotive fluids.

Coolant refill capacity

To find out how much fluid your vehicle’s cooling system can hold, refer
to

Refill capacities

in this chapter.

2004 Mazda B Series

(mbs)

Owners Guide (post-2002-fmt)
USA English

(fus)

Maintenance and Specifications

205

Detailed Information for 2004 Mazda B4000 4WD Truck B Series Owners Manual2

Lists of information found in 2004 Mazda B4000 4WD Truck B Series Owners Manual2 - Page 205

  • 1.0 liter (1.
  • 1. Before you remove the cap, turn the engine off and let it cool.
  • 2. When the engine is cool, wrap a thick cloth around the cap.
  • 3. Step back while the pressure releases.
  • 4. When you are sure that all the pressure has been released, use the cloth to turn it counterclockwise and remove the cap.
  • NEVER decrease the coolant concentration below 40%.
  • Engine coolant concentrations above 60% or below 40% will decrease the freeze protection characteristics of the engine coolant and may cause engine damage.

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