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Chevy Silverado and GMC Sierra 4x4 Questions

239 messages,  Last post on Dec 01, 2009 at 1:47 PM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck


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#216 of 239
1995 GMC 1500 4x4 problem [bruce48532] by coldshot02
Aug 29, 2009 (2:02 pm)
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okay so i took a look at the front drive shaft and yes!. it still rotates but no 4x4! so im going to check out my actuator. thanks for the help! also in my truck i don't have the 4x4 button i have the stick on the ground. And if u could let me let me no if there could be any thing else that can cause this problem?
#217 of 239
Re: 1995 GMC 1500 4x4 problem [coldshot02] by bruce48532
Aug 29, 2009 (2:49 pm)
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Replying to: coldshot02 (Aug 29, 2009 2:02 pm)

you've narrowed it down to the front axle, my actuator is activated by push button if yours is mechanical, it could be a linkage issue to the actuator. unless youve blown out your front axle what left should be simple to fix.
 
good luck
#218 of 239
Re: 1995 GMC 1500 4x4 problem -[bruce48532] by coldshot02
Aug 29, 2009 (4:12 pm)
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im having trouble finding my actuator, where is it located? is there somehow you could send me some kind of diagram of the front differentials? i cant find any pictures online. beacause im more than sure that i did not blow my front axle out. i had just used it perfectly fine last week. also, if i have a stick for my 4wd does that mean it's called mechanical?
#219 of 239
grinding noise by dirtytire
Aug 29, 2009 (4:24 pm)
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I have a 1994 Z71 4X4 auto. the other night I herd a soft ginding noise like the pinion shaft hitting my flywheel. Now its loud and only does it when you take off from a stop. Only for two or three seconds then just befor trans shifts into second gear. I thuoght my starter was letting the shaft hit flywheel but I had afriend ride with me and he said it was my axle but it dont sound like it s from there it sounds like a external noise and close to fly wheel locatiom more towards the right side where starter is . OH this is good when I put it in 4 high the noise goes away..please help me .
#220 of 239
1995 gmc sierra 4x4 problme by coldshot02
Aug 29, 2009 (5:16 pm)
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if my actuator does not engage will that keep my 4wd light from not turning on?
#221 of 239
Re: 1995 gmc sierra 4x4 problme [coldshot02] by havatoker
Aug 31, 2009 (5:55 pm)
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Replying to: coldshot02 (Aug 29, 2009 5:16 pm)

You know , I went trough the same Problem , I worked and worked on mine , bought extra parts that I had to list on EBay, and there was nothing wrong with any of it , it was two plugs ins on tranfer case were crossed , but that does not seem to be your problem , by the way if you know a good transmission shop , carry it there and in a few minutes they can tell you , cost me a hundred , but it was worth every penny ,But it does sound like the front acuator, but there again, it could be the encoder on the transfer case , or a module, if your truck has one , and I assume it does, good luck to you.
#222 of 239
1995 gmc sierra 4x4 problem by coldshot02
Sep 01, 2009 (5:59 pm)
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so i replaced the actuator, and now my 4x4 is working great thanks for the help! ya'll just saved me probably a few 100 just to get that simple thing replaced!! :]
#223 of 239
Re: 1995 gmc sierra 4x4 problem [coldshot02] by havatoker
Sep 01, 2009 (6:10 pm)
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Replying to: coldshot02 (Sep 01, 2009 5:59 pm)

Well, thanks , very glad we were some help to you, I spent a few sleepness nights over mine , and was very glad to get it fixed, as I said , I have quite a few items that there is nothing wrong with them on eBay , mine is a 2000 Silverado , real cheap, so you guys that have problems with your 4X4 better have a look , these parts are going cheap , and have been tested by a Tech. They will end tomorrow, on the 2nd.
#224 of 239
Re: grinding noise [dirtytire] by bruce48532
Sep 02, 2009 (1:06 pm)
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Replying to: dirtytire (Aug 29, 2009 4:24 pm)

not sure if you figured it out yet but, I would look to see if the the front drive shaft is engaged in 4 high. see if the front drive shaft is rotating while creeping forward, someone needs to look under the truck while moving forward.
#225 of 239
No light on push buttons on dash and no 4X4 by green39b
Oct 05, 2009 (7:29 pm)
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I have a 2003 Z71 with the auto track 4X4. Have used it several times at beach and at least once a month around the property. Noticed the orange light on the push button selector was not illuminated. Tried to shift between Auto and all 4X4 options. The light does not blink on any button and it doesn't sound or feel like it is going into 4X4. Any ideas?

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