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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2704 (Cooling System - Repair - N51- E90) >> 1700 Coolant, Checking Cooling System >> 1700009 Checking cooling system for watertightness >> Checking pressure drop in cooling system

Checking pressure drop in cooling system

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Open the sealing cap on the coolant expansion tank. Fit special tool 17 0 101/17 0 113.

Build up EXCESS PRESSURE , wait approx. 2 minutes.

Cooling system is impervious to watertightness if pressure drop is max. 0.1 bar.

Fig 1: Identifying Special Tools 17 0 101 And 17 0 113
G04725832Courtesy of BMW OF NORTH AMERICA, INC.
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