Why does my dash say Service 4 Wheel Drive?

40

Asked by Dec 01, 2014 at 02:14 PM about the 2008 GMC Sierra 1500 SLE2 Crew Cab 4WD

Question type: Maintenance & Repair

Service 4 wheel drive in dash indicator comes on and lights go out on the transfer case switch nob.  If I turn off the engine and wait for 10 min. then start truck everything is ok. and I can turn nob to whatever location I want and it will shift. But I can drive for 3 miles or hundreds of miles and the indicator will eventually come on again no matter what position the transfer case is in.

2 Answers

10,360

only guessing, but maybe check the fluid level in the case

2 out of 2 people think this is helpful.
40

For anyone that might be interested it turned out to be the actuator. Sometimes it works and sometimes it did not.

4 out of 4 people think this is helpful.

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