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Chevy Silverado and GMC Sierra General Operational Questions

66 messages,  Last post on Nov 18, 2009 at 8:02 PM

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#57 of 66 california smog test on my silverado by chevyboy7 Sep 06, 2009 (1:33 pm)
does anyone know if i can pass the smog test with my check engine light on? it is just on because my fuel sending unit needs replaced so i figure that has nothing to do with smog so it should pass. thank you
#58 of 66 Repairing Heated Seats by tony191974 Oct 20, 2009 (5:07 pm)
I purchased a used '05 Silverado 1500 a few months ago and now that winter's here I tried to use the heated seats. I thought they worked when I bought the truck, but apparently not. Does anyone know how or know where to go for information about troubleshooting the heated seats and/or replacing the heating pad in the seats? Replies to this message: obyone (Oct 21, 2009 12:41 am) tony191974 (Oct 21, 2009 3:56 am) obyone (Oct 21, 2009 11:50 am) and 2 more...
#59 of 66 Re: Repairing Heated Seats [tony191974] by obyone Oct 21, 2009 (12:41 am)
Replying to: tony191974 (Oct 20, 2009 5:07 pm) Have you checked the fuse or the switch? Replies to this message: tony191974 (Oct 21, 2009 3:56 am) obyone (Oct 21, 2009 11:50 am) tony191974 (Oct 22, 2009 4:19 pm) and 1 more...
#60 of 66 Re: Repairing Heated Seats [obyone] by tony191974 Oct 21, 2009 (3:56 am)
Replying to: obyone (Oct 21, 2009 12:41 am) Not directly. I don't suspect the switch or the fuse. The seat back heat works and the lower cushion does not. I only found one fuse listing "Heated Seats" so I suspect that all four heaters (2 driver and 2 passenger) are power via the same fuse. The switch appears to be a low voltage system (not direct drive to power the the seat heaters) as this model has three levels of heat. Each time I press the switch the heat level changes (off-high-medium-low-off-high- etc.).   Right now the most likely suspects in my book are the heat controller or the heating pad itself. But I can't quite figure out how to get it all apart. I purchased (ie., wasted my money) the Haynes manual. It has nothing about heated seats in it. Replies to this message: obyone (Oct 21, 2009 11:50 am) tony191974 (Oct 22, 2009 4:19 pm) obyone (Oct 22, 2009 4:35 pm)
#61 of 66 Re: Repairing Heated Seats [tony191974] by obyone Oct 21, 2009 (11:50 am)
Replying to: tony191974 (Oct 21, 2009 3:56 am) The power for the heated seats comes directly from the battery via a 30 amp fuse located under the hood. I would agree that this is not the problem and it's either the heat element or connector.   There is an 18 step diagnostic to trouble shoot this problem. If you plan to work on this truck on your own I would suggest buying one of the following manuals:   Helm factory manual   Ebay   http://www.alldatadiy.com   I would recommend either of the first two while alldatadiy has most of the factory info online but not as comprehensive as the first two. Replies to this message: tony191974 (Oct 22, 2009 4:19 pm) obyone (Oct 22, 2009 4:35 pm)
#62 of 66 Re: Repairing Heated Seats [obyone] by tony191974 Oct 22, 2009 (4:19 pm)
Replying to: obyone (Oct 21, 2009 11:50 am) Thank you for the help. I was looking for a better manual than Haynes. They really stink. Other than torque specs, they're not good for much else.   By the way your first two links are the same. Can you repost which ever option is missing, please.   Thank you. Replies to this message: obyone (Oct 22, 2009 4:35 pm)
#63 of 66 Re: Repairing Heated Seats [tony191974] by obyone Oct 22, 2009 (4:35 pm)
Replying to: tony191974 (Oct 22, 2009 4:19 pm) Helm Factory manual   Oops sorry about that.   Haynes couldn't even give me the right location on a thermostat for a Nissan truck. Never ever bought them again.
#64 of 66 1999 chevy silverado 1500 v6 by chevy82 Nov 05, 2009 (4:32 pm)
okay I'm having problem with my truck.. i'am a female i know a little about trucks.. i can do my own tune up my truck has a 130 thousand miles on it..   i did a tune up on truck ,i changed oil and oil filter,spark plugs,wires, distributor cap and button,air filter a week ago.   okay, then i started was having problems with truck shifting hard so i had a trans flush with new filter and pan done and had rear end greased 3days ago,, i couldn't do that ..lol so i had it done..   well that half way fixed problem with trans, it's now not as bad but still fill it a lil but not as bad,   after all this has been done to truck know i got another issue and i don't know exactly what the problem is.. it cranks fine drives but for no reason just cuts off or if u leave engine running idle motor shakes and cuts off ??? don't know if it could be electrical problem or maybe just an easy fix ... please if u have any ideal as to what it maybe anything will be appreciated... thank you!! Replies to this message: obyone (Nov 05, 2009 5:06 pm) chevy82 (Nov 18, 2009 8:02 pm)
#65 of 66 Re: 1999 chevy silverado 1500 v6 [chevy82] by obyone Nov 05, 2009 (5:06 pm)
Replying to: chevy82 (Nov 05, 2009 4:32 pm) Try cleaning or replacing the idle air controller.
#66 of 66 Re: 1999 chevy silverado 1500 v6 [chevy82] by chevy82 Nov 18, 2009 (8:02 pm)
Replying to: chevy82 (Nov 05, 2009 4:32 pm) update: finally found out what the problem was ... i dont know exectly what its called but it was the coil plug wire was bad, so i fixed that then i was still having problems.. so i had the the ignition module tested it was bad so replaced it,didnt wanna take anychances so i changed coil also ...and the hard shift i thought was transmission is gone shifts smooth know ...thank god !! know my truck runs great!!! ..   thank you obyone for the advice about the idle controller it also helped make my truck run even better .... again thank you!!

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