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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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#1155 of 1492 Re: 1500 SL Gurgling Noise! [kingle1] by noobie1 Sep 18, 2005 (9:20 am)
Replying to: kingle1 (Sep 17, 2005 11:07 am) kingle, do a word search for "gurgling" here and at "Chevy Silverado Problems Solutions". It should give you enough to go on.   -David
#1157 of 1492 Re: Down on power [tunajack62] by obyone Sep 19, 2005 (6:52 am)
Replying to: tunajack62 (Sep 18, 2005 4:13 am) Sorry to say I had the same problem when I installed my Gibson catback....down on power especially on the low end. Replaced the gibson and all was fine.
#1158 of 1492 Re: Low Fuel Light when I'm not low on fuel [tunajack62] by carp2 Sep 19, 2005 (7:08 pm)
Replying to: tunajack62 (Sep 18, 2005 4:27 am) ive got 2000 that is doing the same thing. It only happens when im idling, as soon as i put it in park the giage reads properly. dealer told me im looking at about $800 to fix ,told me its a sensor in the tank.
#1159 of 1492 planitary gears in transmission pan in 2000 z71 by carp2 Sep 19, 2005 (7:16 pm)
Has anyone had problems with there transmission, only to find out the panitary gears where all in the bottom of pan. I thought it was something in my brakes like a rock grinding on disc or something. never thought it was the tranny till i took to garage. I thought that they fixed there trans. problems in 1999. anyway $3500 later back up and running. Emailed gmc head office and told them what i thought. there taking it to board meeting to see if ill get something back.
#1160 of 1492 Re: Low Fuel Light when I'm not low on fuel [tunajack62] by weels Sep 20, 2005 (4:04 am)
Replying to: tunajack62 (Sep 18, 2005 4:27 am) I've had a few pumps go bad on me and it's usually in the winter and it ends up being a nasty job to drop the tank. The last two we did was pretty slick. Although some might not want to do it, the easiest thing is to cut an access panel in the floor of the bed. Last winter our plow truck went through two pumps and the second change out was a breeze - just unscrew the plate and eveything is right there. Most folks have bedliners so it isn't even visible.  Just thouht I throw that out there.  - Tim
#1161 of 1492 rpm surge by pdana Sep 21, 2005 (12:42 pm)
I have a 1998 GMC Sierra with a 4.3 v6 and manual transmission. When I push the clutch in when coming to a stop or while changing gears my rpm will either surge or stay where it was at while the truck was in gear, only coming down to a normal range when the truck comes to a complete stop. I recently replaced the IAC valve and it seemed to fix it for a little while and then I slowly started having the same problem again. It's also more noticeable when the a/c is on. Is there anything else I can check/replace, or do I possibly have another bad IAC valve? Thanks for the help. Replies to this message: weels (Sep 21, 2005 6:07 pm) pdana (Sep 21, 2005 7:26 pm)
#1162 of 1492 Re: rpm surge [pdana] by weels Sep 21, 2005 (6:07 pm)
Replying to: pdana (Sep 21, 2005 12:42 pm) Throttle cable / linkages all ok? Replies to this message: pdana (Sep 21, 2005 7:26 pm)
#1163 of 1492 Re: rpm surge [weels] by pdana Sep 21, 2005 (7:26 pm)
Replying to: weels (Sep 21, 2005 6:07 pm) I think so. I looked at them and they looked ok. I also gave them a squirt of WD-40. I think I may have another bad IAC valve, because when I first replaced it the problem went away, but it slowly came back.
#1164 of 1492 '91: Bad Gas Mileage??? by lisalmu Sep 24, 2005 (9:25 pm)
Hi all..   I just bought a '91 GMC 2500 5.7 Liter V8. Its a nice truck in and out. Excellent condition. great running condition. Lots of power. Smooth running truck. Idles nicely even at startup. No hiccups. Nothing to indicate anything was wrong. Its been very well cared for over the years.   Except. I'm getting 5 MPG!!! yes FIVE! I dont know what's wrong. It was just smogged on thurs. It passed. I can go 30 miles and use up a 1/4 tank of gas. Its a 22 gallon tank. If its getting 5 MPG empty, I'd hate to see it pulling a loaded horse trailer!!!   Does anyone have any idea why its such a gas hog?? Its killing me. I'm just glad this truck isn't my main transportation. I wouldn't be able to afford to even go to work!   Lisa Replies to this message: weels (Sep 25, 2005 7:57 pm)

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