2. Inspect for cracks or roll up on the sealed part of the cooling system cap.
If there is any malfunction, replace the cooling system cap.
3. Attach the cooling system cap to the
SST
and a radiator cap tester.
4. Hold the cooling system cap downward and apply pressure gradually. Verify that the pressure is held
stable for
10s
.
If the pressure is not held stable, replace the cooling system cap.
Cooling system cap valve opening pressure
93.2-122.6 kPa {0.95-1.25 kgf/cm
2
, 13.5-17.8 psi}
Fig. 9: Attaching Cooling System Cap To SST & Radiator Cap Tester
Courtesy of MAZDA MOTORS CORP.
COOLANT RESERVE TANK REMOVAL/INSTALLATION [LF]
WARNING:
Never remove the cooling system cap or loosen the radiator drain
plug while the engine is running, or when the engine and radiator
are hot. Scalding engine coolant and steam may shoot out and
cause serious injury. It may also damage the engine and cooling
system.
Turn off the engine and wait until it is cool. Even then, be very
careful when removing the cap. Wrap a thick cloth around it and
2007 Mazda MX-5 Miata Sport
2007 ENGINE Cooling System - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:06:06 PM
Page 12
© 2005 Mitchell Repair Information Company, LLC.