Diagnostic: 4HP14 automatic gearbox
XANTIA II · Repair procedures · BVA 4HP14 AND BVA4 · Checks · Reference B2CD01P0
1. Oil quality If the gearbox displays a serious fault resulting in a malfunction or the destruction of a clutch, the oil will overheat and be contaminated with impurities. The oil, then, is said to be "burnt" In this case, it becomes discoloured and gives off an unpleasant smell. To check the…