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3 DIAGNOSIS ZF Intarder 8-2 FAULT: DELAYED SWITCH-OFF Possible cause Remedy Slow decrease of intarder pressure after Check system FAULT: OIL LEAKAGE Possible cause Remedy Oil level too high Check oil level Oil leak between gearbox housing and intarder Replace gasket Oil leak in pump Replace O-ring Oil leak in proportional valve Replace O-ring Oil leak in the accumulator Replace O-ring Oil leak in the drive flange Replace O-ring FAULT: AIR LEAKAGE Possible cause Remedy Air leakage via air supply intarder valve Replace O-ring FAULT: COOLANT TEMPERATURE TOO HIGH Possible cause Remedy Coolant level too high/low Checking the coolant level Temperature adjustment Check system Intarder pressure after intarder has been Check system 1 ǹ 0002 |