Preliminary work

IMPORTANT: Before starting to work on the high-voltage system or close to high-voltage components, a high-voltage technician must isolate the high-voltage system from the power supply.

The document WM 2X00IN ISOLATION FROM SUPPLY PRIOR TO PERFORMING MAINTENANCE TASKS ON E-HYBRID VEHICLES (PANAMERA S E-HYBRID, PANAMERA S HYBRID) describes the various types of work for which the high-voltage system must be isolated from the power supply.

The test log Verifying absence of electric charge and Restarting high-voltage system can be found under Standard forms in the PPN.

Observe warning notes. WM 2X00IN GENERAL WARNING NOTES FOR WORKING ON THE HIGH-VOLTAGE ELECTRICAL SYSTEM (EXCEPT PANAMERA S EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION)
Isolate the high-voltage electrical system from the power supply and complete the relevant documentation. WM 2X00IN ISOLATING HIGH-VOLTAGE ELECTRICAL SYSTEM FROM POWER SUPPLY/STARTING HIGH-VOLTAGE ELECTRICAL SYSTEM (PANAMERA S E-HYBRID, PANAMERA S HYBRID)
Disconnect battery ground terminal. WM 270619 REMOVING AND INSTALLING BATTERY (EXCEPT PANAMERA S EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA GTS) or WM 270619 REMOVING AND INSTALLING BATTERY (EXCEPT PANAMERA S EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA GTS)
Drain the air-conditioning system. WM 870317 DRAINING AND FILLING REFRIGERANT (EXCEPT PANAMERA S EXECUTIVE, PANAMERA EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)
Remove plenum panel cover at the left and right. WM 852219 REMOVING AND INSTALLING PLENUM PANEL COVER (EXCEPT PANAMERA S EXECUTIVE, PANAMERA EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)
Remove cowl panel cover. WM 508719 REMOVING AND INSTALLING COWL PANEL COVER (EXCEPT PANAMERA EXECUTIVE, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)
Remove rear profile seal.
WM 553319 REMOVING AND INSTALLING FRONT LID SEAL (EXCEPT PANAMERA EXECUTIVE, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)

Fig 1: Removing Rear Profile Seal
Remove front wheels. WM 440519 REMOVING AND INSTALLING WHEEL (EXCEPT PANAMERA GTS, PANAMERA TURBO S, PANAMERA PLATINUM ED., PANAMERA 4 PLATINUM ED.)
Remove underbody covers.
WM 519319 REMOVING AND INSTALLING COVER FOR CENTRE UNDERBODY (EXCEPT PANAMERA S EXECUTIVE, PANAMERA EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)

WM 519419 REMOVING AND INSTALLING COVER FOR REAR UNDERBODY (EXCEPT PANAMERA EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)
Remove exhaust system. WM 260119 REMOVING AND INSTALLING EXHAUST SYSTEM
Disconnect rear cardan shaft at the transmission.
WM 393519 REMOVING AND INSTALLING REAR CARDAN SHAFT
Loosen brake calliper, but do not remove brake line.
Suspend brake calliper in the wheel housing with a tie-wrap or a piece of wire.

WM 473919 REMOVING AND INSTALLING FRONT BRAKE CALLIPER (EXCEPT PANAMERA EXECUTIVE, PANAMERA GTS, PANAMERA TURBO S, PANAMERA 4 EXECUTIVE, PANAMERA PLATINUM ED., PANAMERA 4 PLATINUM ED.)

WM 473919 REMOVING AND INSTALLING FRONT BRAKE CALLIPER (PCCB) (EXCEPT PANAMERA GTS, PANAMERA TURBO S, PANAMERA PLATINUM ED., PANAMERA 4 PLATINUM ED.)
Remove left front wheel housing liner completely.
WM 505619 REMOVING AND INSTALLING FRONT WHEEL HOUSING LINER (EXCEPT PANAMERA S EXECUTIVE, PANAMERA EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)
Drain coolant from the high-temperature and low-temperature cooling system. WM 193817 DRAINING AND FILLING COOLANT (INCLUDES BLEEDING) (EXCEPT PANAMERA EXECUTIVE, PANAMERA 4 S EXECUTIVE, PANAMERA TURBO EXECUTIVE, PANAMERA TURBO S EXECUTIVE, PANAMERA GTS, PANAMERA 4S SPORT EDITION, PANAMERA 4 EXECUTIVE)