2003 Chevy s10 4x4 dash light says truck is in 4 WD, however, have, no power to front wheels. Shifts into 4 lo and 4 hi hear noise, front wheels no power. Have changed the transfer case switch on top and, the vacuum activation switch under battery. Help please.

bobj1948
150

Asked by Dec 31, 2013 at 12:01 AM about the 2003 Chevrolet S-10 4 Dr LS 4WD Crew Cab SB

Question type: Maintenance & Repair

4 WD not working on front wheels

13 Answers

bobj1948
150

Hello and thanks, yes under battery tray, installed new one and vacuum pulls it out about 1 inch however, no front wheel lock, albeit, 4 hi switch light says it is locked!

10 out of 10 people think this is helpful.
judge_roy
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there's nothing to handle the "big" torque on the xfer case...that's the dandy I had in mind....have seen trouble stemming from road debris on 4wd systems a couple o times~

1 out of 1 people think this is helpful.
bobj1948
150

Judge.roy , thanks! I have not seen the part you show on this truck

1 out of 1 people think this is helpful.
judge_roy
Not Active

http://www.amazon.com/dp/B000IZ490Y/ref=dra_a_rv_ff_fx_it_P2000_1000? tag=dradisplay-20

2 out of 2 people think this is helpful.
Best Answer
bobj1948
150

I replaced the the transfer case vacuum switch, where 3 rubber hoses connect. Thanks

2 out of 2 people think this is helpful.
judge_roy
Not Active

that goodie that I got 20 points DOES NOT fit this vehicle...wish I could give it back....have to research further...an exploded view would help...searchin....~

judge_roy
Not Active

okay I think we got it...there's a motor on your xfer case...could test it for continuity or a connector that's not behaving itself~

1 out of 1 people think this is helpful.
judge_roy
Not Active

http://www.amazon.com/APDTY-Transfer-Actuator-Replaces- 8124744010/dp/B00BV5UV1G/ref=au_pf_ss_1? ie=UTF8&Make=Chevrolet%7C47&Model=S10%7C488&Year=2003%7C2 003&carId=004&n=15684181&s=automotive

2 out of 2 people think this is helpful.
judge_roy
Not Active

okay if that little black motor stopped turnin' there you can see the actuator would not actuate~

1 out of 1 people think this is helpful.
bobj1948
150

The transfer case encoder motor, if this motor was bad , the transfer case would not shift into 4 lo or 4 hi would it? I hear it shifting..thanks

2 out of 2 people think this is helpful.
judge_roy
Not Active

hmmmm....puzzled....check for loose bolts?~

jjmtuttle
Not Active

But got your points huh judge... might wanna try another forum bob with better advise that don't use points so you will get legit advise and not someone trying to keep ahead in points with useless answers... hope this helps lol

1 out of 1 people think this is helpful.
judge_roy
Not Active

big Jim T....how can your entry here possibly help? heard of this problem? willin' to dive in and find out a few things about the construction of this 4x4? well then, I digress....learn or perish~

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