bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

10 Radiator, Expansion Tank, Pipes > < 2 RA Checking Cooling System For Water Leaks|Page 851
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17 00 010

Checking for leaks between cooling system
and combustion chamber

Warning!

Danger of scalding!

Only perform this work after engine has cooled down.

Caution!

When engine is running with cooling system depressurized,
this can create steam bubbles. 

These cause the engine to overheat.

Observe coolant temperature.

Check for leaks in cylinder head with CO leak tester following
manufacturer's instructions for use.

In the event of a leak, the color of the test liquid turns yellow by the
carbon dioxide (combustion gas) entering the cooling system.

RA  Checking for leaks between cooling system and combustion chamber

BMW AG - TIS

12.02.2013  05:21

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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10 Radiator, Expansion Tank, Pipes > < 2 RA Checking Cooling System For Water Leaks|Page 851