shifting from either back to 2 hi it will take upwards of 20 minutes?

2001 CHEVROLET BLAZER
108,000 MILES • 6 CYL • 4WD • AUTOMATIC
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BOMBADEE
  • MEMBER
  • 4 POSTS
My blazer shifts from 2hi to either 4 hi or 4 lo with narry a problem but
when shifting from either back to 2 hi it will take upwards of 20 minutes. This occurrs whether the car is moving or standing still in or out of gear.
Anybody got any ideas?
Carl
May 13, 2008 at 12:10 AM
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RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
do the lights on the control switch blink when it is trying to go back into 2wd.
May 14, 2008 at 8:15 AM
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BOMBADEE
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  • 4 POSTS
The lights on the control panel will blink at times and other times they will not.
May 14, 2008 at 11:18 PM
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BOMBADEE
  • MEMBER
  • 4 POSTS
also they are totally out quite a lot of the time even when in 2 hi and the car is being driven normally
May 14, 2008 at 11:21 PM
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RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
sounds like the automatic transfer case module is bad and needs to be replaced or a possible switch
May 15, 2008 at 12:02 AM
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BOMBADEE
  • MEMBER
  • 4 POSTS
Are these big buck items?
May 15, 2008 at 12:08 AM
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RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
not to bad, but i ould have the vehicle scanned and check for codes in that system
May 15, 2008 at 12:41 AM
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