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GMC Sierra: Problems & Solutions - READ ONLY

1492 messages,  Last post on Oct 12, 2006 at 5:32 AM

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

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#1182 of 1492 91 1500 brake control module by fishinggod Oct 10, 2005 (7:29 am)
Can a "normal" person replace the brake control module on a 91 GMC Sierra? My Brake light stays on (about half as bright as when the parking brake is engaged)and the dealer service man says the Brake Control Module needs replacing. He says that eventually the ABS will not work when the module fails completely. He also tried to scare me and tell me that the brakes will fail when the module fails completely, but I didn't buy that story. Any thoughts? Thanks Replies to this message: fishinggod (Oct 19, 2005 11:34 am) geo9 (Oct 19, 2005 7:45 pm)
#1183 of 1492 No Start, Fuel and spark by campitelli Oct 11, 2005 (5:50 pm)
1998 GMC Z71 Sierra. Has fuel and spark no start. Replaced the fuel pump, fuel filter, spark plugs, and ignition module. It has 60lbs fuel pressure. Removed cap and wires. Inspected rotor and cap no moisture. Parts are in excellent condition. Timing is at factory setting. Any suggestions????? Replies to this message: cacksalot (Oct 12, 2005 10:42 am) weels (Oct 12, 2005 7:53 pm)
#1184 of 1492 Plastic Trim Maintenance by edsview Oct 12, 2005 (5:57 am)
I have a 2004 GMC Sierra 1500 SLE. I really enjoy my truck but have noticed that the door handles, mirrors, tailgate handle, black trim on rear bumper and the grill have all started to "weather" and look several years older than the rest of the truck. These surfaces are unpainted. Is there any long term cure besides painting these pieces to keep them looking good? Replies to this message: gmctruck (Oct 12, 2005 4:41 pm) edsview (Oct 19, 2005 5:06 am)
#1185 of 1492 Re: No Start, Fuel and spark [campitelli] by cacksalot Oct 12, 2005 (10:42 am)
Replying to: campitelli (Oct 11, 2005 5:50 pm) ia am having the same problem if you find anything out let me know thanks
#1186 of 1492 ????help???? by cacksalot Oct 12, 2005 (10:57 am)
My 91 gmc 1500 is having some problems i have replaced the fuel pump fuel filter checked the battery wires fuel injectors and everything else yet it still dies on me whwn i get it started, and thats if i even get it started any suggestions please. Replies to this message: gmctruck (Oct 12, 2005 4:48 pm)
#1187 of 1492 Re: Plastic Trim Maintenance [edsview] by gmctruck Oct 12, 2005 (4:41 pm)
Replying to: edsview (Oct 12, 2005 5:57 am) There is a product called 303 Aerospace Protectant that will restore the black plastic to like new condition. It won't harm the paint and you can use it on the dash and many other plastic or vinyl surfaces. Plus it contains no silicone and offers UV protection. You'll need to apply it about once a month, but it does the job and you won't need several different products to detail your truck. You can find 303 at RV/Marine supply stores and I think some auto stores carry it now, or you can always order it online also. Replies to this message: edsview (Oct 19, 2005 5:06 am)
#1188 of 1492 Re: ????help???? [cacksalot] by gmctruck Oct 12, 2005 (4:48 pm)
Replying to: cacksalot (Oct 12, 2005 10:57 am) Did you check the coil? Is the EGR valve sticking? It's hard to remote diagnose, but you just have to check out one system at a time until you find the problem. It might be worth it to buy a Haynes manual to help you with diagnostic testing so you don't waste money buying parts you don't really need.
#1189 of 1492 Re: No Start, Fuel and spark [campitelli] by weels Oct 12, 2005 (7:53 pm)
Replying to: campitelli (Oct 11, 2005 5:50 pm) Do you know for sure that the injectors are indeed squirting? I haven't dealt with this on a vortec yet, but my older throttle body truck did that and it ended up being a fuse or relay for the injectors. I had fuel pressure and all, but they wouldn't squirt. No trouble codes eh? - Tim
#1190 of 1492 No Power or Electrical at Cold Start-Up by foch Oct 13, 2005 (11:10 am)
2000 GMC 2500 6.0L - On occasion when cold starting I insert the key into the ignition and attempt to start the truck and there is no power or voltage to any device in the truck - totally black. After removing the key and re-inserting it and trying again, some dash lights flicker and after another attempt or so finally the head lights and all other devices appear to work and the truck starts. Usually associated with this is tough starting and the need to keep my foot on the accelerator to keep the truck running. After idling for a while I can shut the truck off and let sit for a minute and re-start the truck with no problem. I also have the typical GMC fuel gauge problem but a new battery seem to have helped with this. Any help would be most appreciated. Replies to this message: weels (Oct 14, 2005 8:44 pm) foch (Oct 21, 2005 9:29 am)
#1191 of 1492 Re: No Power or Electrical at Cold Start-Up [foch] by weels Oct 14, 2005 (8:44 pm)
Replying to: foch (Oct 13, 2005 11:10 am) All my gm trucks have done that through the years when we have a Brutal cold morning like 30 below or so. My '04 hasn't had a morning like that yet here in upper NY. Where are you from? I used to put a coolant heater in the lower hose and plug 'em in for the night if we expected a night like that. I seem to remember the brand name of "katz"? Also I would turn the headlights on for a few seconds, put the key to on and wait a little before cranking it. They used to have the electric dipstick heater which I would avoid. I have a heavy duty magnet with a heater that you stick on the block if there's room for it. The '05 oil pan is aluminum so you can't use it there. Of course there's always the factory block heater if your truck was so equipped. Its a drag that winter's almost here again.  - Tim Replies to this message: foch (Oct 21, 2005 9:29 am)

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