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99 astro awd system not working properly
i am having problems with my awd. drove through a lot of snow, next morning went to leave and the front left wheel was froze up. finally got it freed up and the awd does not work, the t-case motor is good the t-case modual is good. with the t-case motor off , can take a 6 inch wrench and move about 1 to 1 1/2 inches. to engage the clutches. i have 2 codes but they are in the history, awd light only comes on when excessive spin of tires. codes are co310, co374. does the awd system use the abs sensor in the hub to engage the awd system?
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