Honda NSX-T 1998 Manual page 524

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Expansion Tank
Cap Testing
1. Remove the expansion tank cap, wet its seal with
engine coolant, then install it on the pressure
tester.
2. Apply a pressure of 93-123 kPa (0.95 - 1.25 kgf/cm
14-18 psi).
3. Check for a drop in pressure.
4. If the pressure drops, replace the cap.
Testing
1. Wait until the engine is cool, then carefully remove
the expansion tank cap and fill the expansion tank
with engine coolant to the top of the filler neck.
2. Attach the pressure tester to the expansion tank,
and apply a pressure of 93-123 kPa (0.95 - 1.25
2
kgf/cm , 14-18 psi).
3. Inspect for coolant leaks and a drop in pressure.
4. Remove the tester, and reinstall the expansion tank
cap.
NOTE: Check for engine oil in the coolant and/or
coolant in the engine oil.
Table of Contents
2
,
PRESSURE TESTER
(Commercially available)
EXPANSION TANK
CAP
PRESSURE TESTER
(Commercially available)
SMALL ADAPTOR
(for 32 mm neck, low profile)
SMALL ADAPTOR
(for 32 mm neck, low profile)
EXPANSION TANK