Renault Duster 2007 - Page 305

19A-4
COOLING
Engine cooling system: Check
19A
1 - Checking the expansion bottle cap valve
a Fit onto the tester, the adapter (Ms. 554-06).
a Fit the expansion bottle cap to the adapter (Ms. 554-
06).
a Pump with the, the pressure should stabilise at the
expansion bottle cap valve rating with a test toler-
ance of ± 0.1 bar.
2 - Checking the sealing of the cooling circuit
a Replace the expansion bottle cap with the adapter
(Ms. 554-01).
a Connect on the adapter (Ms. 554-01) the tool.
a Pump with theto put the cooling circuit under pres-
sure.
a Stop pumping at 0.1 bar below the valve rating for
the expansion bottle cap valve.
a Gradually unscrew the union of theto decompress
the cooling system then remove the adapter (Ms.
554-01) and refit the expansion bottle cap.
97871
Note:
The pressure should not drop; if it does, look for
the leak.
Note:
The pressure should not drop; if it does, look for
the leak.