Transfer case control 246 np8, fluid capacity

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2006 GMC SIERRA
5.3L
V8
4WD
AUTOMATIC
275,000 MILES

Why is it when I drain transfer case there is about 4 quarts that come out but manual says to put back 2 quarts?

Friday, January 15th, 2021 AT 9:45 AM

1 Reply

SEVAG P

MECHANIC
405 POSTS

Hi,

The system can be overfilled from previous maintenance transfer case oil capacity is 2 quarts as describe in workshop manual check fig 1.
Check fig 2 fill plug is the (1) drain plug is the (2).

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Transfer case control 246 np8, fluid capacity

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