LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2005 >> Outback R >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Cooling System (H4SO)) >> Radiator Cap >> Inspection

Radiator Cap: Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Attach the radiator cap to tester.
    Fig 1: Attaching Radiator Cap To Tester
    G03828193Courtesy of SUBARU OF AMERICA, INC.
  2. Increase pressure until the tester gauge pointer stops. Radiator cap is functioning properly if it holds the service limit pressure for five to six seconds.

Standard pressure: 93 - 123 kPa (0.95 - 1.25 kg/cm 2  , 14-18 psi) 

Service limit pressure: 83 kPa (0.85 kg/cm 2  , 12 psi) 

CAUTION: Be sure to remove foreign matter and rust from the cap in advance, otherwise results of pressure test will be incorrect.