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Home >> BMW >> 2009 >> X5 35d >> Repair and Diagnosis >> External Pages >> Different car >> Section 630 (Cooling System - Repair (M54)) >> Coolant, Checking Cooling System >> 17 00 009 Checking cooling system for leaks (M54) >> Checking pressure relief valve in cap:

Checking pressure relief valve in cap:

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Screw cap (1) onto special tool 17 0 106.

Fig 1: Checking Pressure Relief Valve In Cap
G03310740Courtesy of BMW OF NORTH AMERICA, INC.

Build up pressure with special tool (hand pump) 17 0 101; observe pressure gauge to ascertain when opening pressure is achieved.

Compare opening pressure of pressure relief valve. Refer to COOLING SYSTEM - TECHNICAL DATA .

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