"ISSUE:
DURING DEALER TECHNICIAN INVESTIGATION FOR RELATED HALDEX
COUPLING ISSUES AND ASSOCIATED FAULT CODES, TECHNICIAN'S
MAY IDENTIFY A 'BLACK SLUDGE' TYPE SUBSTANCE IN THE
OIL,FILTER,HALDEX PUMP AS SHOWN IN THE PICTURE ATTACHED.
CAUSE:
THE 'BLACK SLUDGE' IS FROM THE ADDITIVES IN THE OIL SOLIDIFYING
OUT IN THE COLD OIL."