Subaru Legacy BN/BS (2015-2019) Service Manual: Radiator cap inspection
1. Check that the radiator cap does not have deformation, cracks or damage. 2. Attach the radiator cap tester to radiator cap. 3. 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. Standard: 93 — 123 kPa (0.95 — 1.25 kg/cm2, 14 — 18 psi) Service limit: 83 kPa (0.85 kg/cm2, 12 psi)
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Engine cooling system trouble in general inspection
TroublePossible causeCorrective actionOver-heatinga. Insufficient engine coolantReplenish engine coolant, inspect for leakage, and repair it if necessary.b. Defective thermostatReplace.c. Malfunction ...
Engine coolant
...
Other materials:
Stopping the engine
WARNING
Do not stop the engine when the
vehicle is moving. This will cause
loss of power to the power steering
and the brake booster, making steering
and braking more difficult. It
could also result in accidental activation
of the "LOCK" position on the
ignition switch ...
