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Discussion Starter #1
Hello eveyone,

I have a 2004 Trailblazer LT model and i'm having a problem with my 4WD whenever i turn my A4WD, 4Hi or 4Lo sometimes it lock in and sometimes it doesn't and i get a flashing light then service 4x4 check light when it works i can hear the transfer case motor whirring and locks in nicely but when it doesn't i can still hear it trying to turn but not able to complete its circle.

I'm suspecting a problem with the transfer case motor maybe it's sticking or something I've change the fluid of the transfer case, front and rear diff all of them are in a good condition i think no metal shavings.

can anyone confirm that i'm on the right path?

any help is greatly appreciated,
 
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