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transfer case shifting back to 2wd


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chris112268
Novice

Dec 13, 2008, 4:23 PM

Post #1 of 8 (1575 views)
transfer case shifting back to 2wd Sign In

i have a 1997 chevy blazer 4x4 with auto trans and the 4.3 eng. the problem i am having is the truck will go into 4 w drive with no problem when i pess the button but when i push the button to go back into 2 w drive it does not want to shift back over. i swaped out the transfer case control module but no luck. when i do press the button i can hear the transfer case shift motor operate 3 times then stops. i have to keep trying to hit the button for 2 w drive and after awhile it will go back to 2w drive. could the vacuum actuator be bad any help woul be great. thanks


dmac0923
Enthusiast

Dec 13, 2008, 5:01 PM

Post #2 of 8 (1567 views)
Re: transfer case shifting back to 2wd Sign In

have you checked the transfer case gear oil???
__________________________________________________
2015 Jeep Grand Cherokee
2002 Ford Ranger
2004 Toyota Corolla
1969 Ford Mustang Mach 1


chris112268
Novice

Dec 14, 2008, 8:57 AM

Post #3 of 8 (1557 views)
Re: transfer case shifting back to 2wd Sign In

no i have not i dont see any leaks though i will check the level would that cause my problem i didnt even think about that. thank you


way2old
Veteran / Moderator
way2old profile image

Dec 14, 2008, 10:37 AM

Post #4 of 8 (1551 views)
Re: transfer case shifting back to 2wd Sign In

This may sound stupid, but are all the tires the same size? We had one that has two 215's and two 225's and it did all kinds of wierd things.



Being way2old is why I need help from younger minds


dmac0923
Enthusiast

Dec 14, 2008, 10:39 AM

Post #5 of 8 (1551 views)
Re: transfer case shifting back to 2wd Sign In

im just throwing this out there, but i think there just might be a sensor on the transfer case that reports back the position of the transfer case.

im sure someone will chip in on this
__________________________________________________
2015 Jeep Grand Cherokee
2002 Ford Ranger
2004 Toyota Corolla
1969 Ford Mustang Mach 1


Guest
Anonymous Poster

Dec 14, 2008, 10:46 AM

Post #6 of 8 (1549 views)
Re: transfer case shifting back to 2wd Sign In

thanks all the tires are the same 235 75 r15


Guest
Anonymous Poster

Dec 14, 2008, 10:47 AM

Post #7 of 8 (1548 views)
Re: transfer case shifting back to 2wd Sign In

thanks i will look into this


Guest
Anonymous Poster

Dec 14, 2008, 10:48 AM

Post #8 of 8 (1547 views)
Re: transfer case shifting back to 2wd Sign In

thanks yes they are all 235x75 r15






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