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2000 Chevy s10 4x4, 4.3 engine, 195000


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dlockard
New User

Oct 27, 2014, 12:42 PM

Post #1 of 4 (1330 views)
2000 Chevy s10 4x4, 4.3 engine, 195000 Sign In

I am able to shift into 4h only when in park. When in drive, when i press the 4hi button nothing happens. Also, I have no vent controls. all positions go to the defrost and dash vents.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Oct 27, 2014, 1:31 PM

Post #2 of 4 (1321 views)
Re: 2000 Chevy s10 4x4, 4.3 engine, 195000 Sign In

Check the vacuum hoses up near the master cylinder that go to the vacuum reservoir inside the driver's fender.





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dlockard
New User

Oct 27, 2014, 1:36 PM

Post #3 of 4 (1317 views)
Re: 2000 Chevy s10 4x4, 4.3 engine, 195000 Sign In

Thank you, I will certainly try this and let you know if it works. At wits end.


dlockard
New User

Oct 29, 2014, 12:05 PM

Post #4 of 4 (1269 views)
Re: 2000 Chevy s10 4x4, 4.3 engine, 195000 Sign In

Wow!you are a genius! Found the hose and it was collapsed. 4wd working perfectly! Two trips to the local mechanic and no results. Try this one, I get only heat through the defrost and dash vents. The floor vent and the defrost\floor vents do not open. I have replaced the actuators on the transfer case and the one beneath the battery box with no results. Thank you.






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