model: BMW 5 Luxury 530LI 2013
Engine Type: N52B30 3.0L dIsplacement of
Cylinder Engine : 6-cylinder
transmIssion type: AT 8 speed 8HP45
drive type: rear-drive
fault phenomenon: the Car has “da da” sound.
First, the failure analysIs
l vehicle, found at the junction of the engine and the transmIssion reason Is louder Since the front end of the gearbox has several plastic Pusey, sound may be determined Pusey Mifengbuyan gum, fixed bias torque converter.
Second, the maintenance program
Modified replace the flywheel, the transmIssion block on the Pusey gum. Due to the replacement cost of a large flywheel, customer communication only after plastic Pusey sealed.
The transmIssion removed from the Car
Fourth, gum Pusey for sealant sealing treatment
Fifth, the Car testing
after road test, the driver in the Car noIse Is resolved, however, after the technician lifts rIsing Car, or some sound. We recommend owners to replace the flywheel, but the owners and communication, not to replace the flywheel, agreed PDI