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> Chevy Avalanche question.
rpoz-29
post Nov 7 2010, 10:54 PM
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My son is looking at a 2004 Avalanche. 94,600 miles and every option available for the year. It's owned by a banker and he ordered it with everything. He can get it for about $10,500.Anyway, I test drove it and the "service 4 wheel drive" light popped on. Does this indicate a serious condition, or is it a "take it to the dealer and reset it" sort of thing? Any of you folks know anything about that code? Thanks!
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robz71lm7
post Nov 8 2010, 10:40 PM
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On my 2000 Silverado Z71 with AutoTrac NP246 transfer case. I got the Service 4WD light. It was caused by a bad 4wd selector switch on the dash. It's very common for the Silverado's and may also pertain to your Avalanche.

If it's Autotrac be sure to change the fluid out as well with the blue stuff.
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rpoz-29   Chevy Avalanche question.   Nov 7 2010, 10:54 PM
GlennCMC70   I've seen that light on mine a few times. I ne...   Nov 8 2010, 03:07 AM
ReEntryRacer   QUOTE (rpoz-29 @ Nov 7 2010, 02:54 P...   Nov 8 2010, 08:08 AM
rpoz-29   Thanks for the responses. ReEntryRacer, was the re...   Nov 8 2010, 11:22 AM
ReEntryRacer   QUOTE (rpoz-29 @ Nov 8 2010, 03:22 A...   Nov 8 2010, 03:43 PM
mitchntx   Had a Bronco that had electronic transfer case eng...   Nov 8 2010, 02:22 PM
rocky   Serivce 4 wheel drive light indicates a problem wi...   Nov 8 2010, 04:13 PM
rpoz-29   I just left my local Chevy dealer. I spoke with a ...   Nov 8 2010, 08:33 PM
rocky   Both seem to be common problems with 4X4's aro...   Nov 8 2010, 09:11 PM
robz71lm7   On my 2000 Silverado Z71 with AutoTrac NP246 trans...   Nov 8 2010, 10:40 PM
rpoz-29   Again, thanks for all the information. He hasn...   Nov 8 2010, 10:46 PM
rpoz-29   Rocky, do you work at a Chevy dealer?   Nov 8 2010, 10:48 PM
Eskimo   Yup, the info here is correct - it's either th...   Nov 9 2010, 01:11 AM
wrencher   Yes see quite a few encoder motors on these. The o...   Nov 9 2010, 05:41 AM
rpoz-29   Can anyone other than a GM dealer scan these thing...   Nov 9 2010, 10:51 AM
rocky   I worked at one for a while but left due to money....   Nov 9 2010, 11:36 AM
CMC #37   QUOTE (rocky @ Nov 9 2010, 06:36 AM) I wo...   Nov 9 2010, 08:25 PM
rocky   Yep I am. I make more money fixing them on the sid...   Nov 10 2010, 07:33 PM
CMC #37   QUOTE (rocky @ Nov 10 2010, 02:33 PM) Yep...   Nov 10 2010, 07:35 PM
rocky   Damn that does sound like me.   Nov 10 2010, 08:48 PM

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