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Check cooling system for leaks
Checking procedure Open the expansion tank of the cooling system.
ATTENTION When you open the expansion tank from it can go hot steam. in order to avoid eye injuries and scalding, put on safety goggles and special clothing. Cover the tank with a cloth and gently open it. |
Put the cooling system tester adapter on the expansion tank (Fig. 2.184). Using a hand pump tester create a positive pressure of about 1.0 bar. If the pressure drops locate the leak and repair.
Checking pressure relief valve in the cap of the expansion tank
| Fig. 2.185. Checking pressure relief valve in the cap of the expansion tank
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Put the cooling system tester adapter on the expansion tank cap (Fig. 2.185). Operate the hand pump. Pressure relief valve must open at a pressure of 1.4 to 1.6 bar.
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