Question about 2003 GMC Yukon

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4wd is not turning on. its electronic 4wd and i push the buttons and it wont turn on

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I have a 2004 Yukon and today I got no lights and a check 4WD anouncement. I need help too. If I fix mine I'll let you know what I did.

Posted on Apr 27, 2010


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The transfer goes into 4 low when i turn the

if you have access to a lift put somone in it sent it up
start it up put in 4wd low and check to se if the
output shaft is turning from the transfer case to the
front difirential if it's not turning odd's are transfer case problem if it is turning listen each front hub for
grinding noise if there is check the offending hub
by the way if you can't use a lift find some level paved
ground and use 4 STURDY jack stands to do tests
hope this helps any other ? just ask. good luck

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