3 Series E46 325i (M54) TOUR
17 00 009
Checking cooling system for water leaks
Special tools required:
•
17 0 101
•
17 0 113
•
17 0 114
Warning!
Danger of scalding!
Only perform this work after engine has cooled down.
Checking pressure drop in cooling system:
Open cap on coolant expansion tank. Fit special tools 17 0 101
/
17 0 113 .
Build up gauge pressure of 2 bar, wait approx. 2 minutes.
Cooling system is impervious to leaks if pressure drop is max.
0.1 bar.
Checking pressure relief valve in cap:
Note:
Coolant residue can cause the pressure relief valve in the cap to
stick, therefore repeat the check procedure on the cap 2-3 times.
RA Checking cooling system for water leaks
BMW AG - TIS
14.02.2013 00:36
Issue status (12/2007) Valid only until next DVD is issued
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