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2003 Hummer H2:

My Driver Information alerts me to 'Service 4WD'. After checking the owner's manual, it merely states 'Check fluid levels' for axles & transfer cases. Done, but the warning light still comes on periodically. Is there something else that needs attention ?

yeah...its great.......

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sanjeppu

 

Used Cars

u may need to have it scan for codes  i will look  a alldata to see if they have any info on it   post when i find out more

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transman