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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Cooling System (HEV)) >> Radiator Cap >> Inspection

Radiator Cap: Inspection

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • The engine coolant is pressurized when it is hot. Wait until engine coolant cools down before proceeding the work.
  • If the engine coolant splashes, completely remove and clean it.
  1. Remove the radiator cap.
  2. Check that there is no deformation, cracks or other damages.
  3. Check the opening pressure of the radiator cap.
  4. Attach radiator cap tester.
  5. Check the maximum pressure while pumping the radiator cap tester several times. Replace the radiator cap if its valve opens at less than the service limit.
CAUTION:
  • Be sure to remove foreign matter and rust from the cap in advance. Otherwise, results of pressure test will be incorrect.
  • For this inspection, tilt the radiator cap tester by at least 30°.
NOTE:
  • Pumping interval is one second at a time.
  • If the radiator cap cannot retain the maximum pressure at times, this is not malfunction.

Specification: 

93 - 123 kPa (0.95 - 1.25 kg/cm2 , 14 - 18 psi)

Service limit: 

83 kPa (0.85 kg/cm2 , 12 psi)

G12405739Courtesy of SUBARU OF AMERICA, INC.
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