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Home >> Audi >> 2007 >> A3 Quattro >> Repair and Diagnosis >> Transmission >> Manual Trans >> Final Drive, Differential - Rear Final Drive 02D, 0AV, 0BR, 0BS, 0BY >> 39 Final Drive, Differential >> Diagnosis And Testing >> HALDEX-Clutch (Generation HALDEX II), Rear Final Drive 02D/0AV, Checking Functions >> Final Drive 02D And 0AV, Function Test For Opened HALDEX Clutch, Manual Transmission

Final Drive 02D And 0AV, Function Test For Opened HALDEX Clutch, Manual Transmission

Test Prerequisites 

-- Place vehicle on lift.

CAUTION:

For safety reasons, vehicle must be placed on lift so that the wheels do not have any contact with floor.

Be careful when testing to prevent damage.

-- Press clutch pedal.

-- Start the engine.

-- Press clutch pedal, engage 1st gear and accelerate slowly.

All 4 wheels must turn. 

-- Set the parking brake.

Rear wheels must come to a standstill while front wheels continue to turn.

Haldex clutch is open, function is OK.

The Haldex clutch is closed. Possible cause of malfunction: