Mazda 3 - Coolant Reserve Tank Removal;Installation

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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5. Apply pressure using the radiator cap tester.
Caution
• Applying more than Z6: 100 kPa {1.0 kgf/cm
2
, 14.5 psi}, LF: 145 kPa {1.5 kgf/cm
2
, 21 psi} can
damage the hoses, fittings, and other components, and cause leakage.
Pressure
Z6: 100 kPa {1.0 kgf/cm
2
, 14.5 psi} [1 min]
LF: 145 kPa {1.5 kgf/cm
2
, 21 psi} [1 min]
6. When pressurizing the coolant reserve tank, verify that the pressure is maintained.
• If the gauge needle drops, it may indicate water leakage, therefore perform leakage inspection.
- If engine coolant leaks from the upper hose installation part, replace the upper hose and the
clamp.
- If the engine coolant leaks from the main body of the radiator (caulked part), replace the
radiator.
COOLANT RESERVE TANK REMOVAL/INSTALLATION
B3E011215201W01
Warning
• Remove and install all parts when the engine is cold, otherwise they can cause severe burns or
serious injury.
1. Drain the engine coolant until the coolant reserve tank becomes empty. (See ENGINE COOLANT
REPLACEMENT.)
2. Remove in the order indicated in the table.