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Chevy S10 - GMC S15 and Sonoma Care & Maintenance

374 messages,  Last post on Nov 28, 2009 at 10:44 PM

You are in the Chevrolet S-10 & GMC S15 Sonoma Forum. Your Host is kcram

What is this discussion about? Chevrolet S-10, GMC S-15, Truck


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#31 of 374
Poor Gas Mileage - New S10 Crew Cab by smacken
May 24, 2003 (6:14 pm)
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Just got my first Chevy truck and in the first 2 tanks of gas, only got 13MPG out of the first.
50/50 Highway/City.
Got 16MPG out of the second. 95% 65MPH Highway.
I'm not sure I'm gonna like having only a 300 mile
range on the vehicle. Need to gas up twice a week.
Also note that the engine RPM's are about 300 RPM
higher at highway speed.
It replaced a Jeep Grand Cherokee that got 18/24
MPG and a 400 mile range.
 
Question: Is this gonna get better as the engine
breaks in ?
What can I do to improve it Change a gear or chip etc....
 
Thanks all you pro's.
 
over and out
#32 of 374
1996 S-10 (stalling problem) by joemilan
Jun 20, 2003 (5:30 am)
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I had this problem on my '97 S10 while it was under extended warranty (about 50K miles). The dealer replaced the EGR system on the truck. No reoccurence of the problem since (90K miles now).
#33 of 374
'97 S10 Timing Belt/Chain by joemilan
Jun 20, 2003 (5:32 am)
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I have a '97 S10 with the 4.3L V6 Vortec. If the timing chain / belt breaks, is this a catastrophic failure, or will you simply be stranded?? If it is a catastrophic issue, what is the recommended mileage to change this at and an approximate cost.
 
Thanks
#34 of 374
by ffmcobalt
Jul 07, 2003 (5:52 pm)
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I just put a new starter in my S-10 Blazer. The trouble was that the Chiltons says that it would take 2.5 hours. Yuck.
 
I took the exhaust apart trying to get the starter to drop down since there wasn't any room to pull it up through the top. With a friend pulling the exhaust to the side and me pulling down on the starter, we still couldn't get the damn thing out. So then we decided to hell with it and took the cross-member out.
 
Yeah, that wasn't fun putting back in. *grr!* It took three entire shims plus one half shim on the outside bolt. It's a good thing that there wasn't any more space needed because I ran out of shims.
 
What happens next? I can't find the bolts that bolt the exhaust line to the exhaust header. Great. Now I have one side of the exhaust off and no bolts. The cool thing is that now it sounds like a frickin monster truck, rumbling down the road. It's nice to waste the ricers off the line AND sound like a huge-ass Chevy 350 under the hood. I have to bottle it up pretty quickly, though, because I don't want anything melting.
 
I have a new carb from Holley sitting on the passenger seat of my truck because it's a little too complicated for my solo-automotive-expertise. Vacuum hoses SUCK. I just don't have the patience. I can do it no problem with the motor is out of the truck like what was done when three of us rebuilt the motor, but on my own when the motor is in is just too much for my lazy butt. :p
#35 of 374
might buy 95 by deuskid
Jul 23, 2003 (4:04 am)
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s-10 extended cab w/ 4.3, auto trans. Has 107,xxx miles on it. How reliable is this engine? Gas milage [why don't they have a smaller 6 or a decent 4? just wondering]? When is the timing belt needed to be changed [not listed in the owner's manual]? thx
#36 of 374
2002 chevy s-10 extended cab by d3d477
Nov 19, 2003 (3:56 pm)
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bought our truck 7-24-02 about 6 months of ownership the tranny started to make a clattering noise like the throw out bearing was going out took it in they said it was normal noise. about a month ago it started making a noise like a j-brke noise when you let off the gas took it in they said normal noise so they refused to fix it now it makes the noise all the time is there any one who is experiencing the same noises please leave a message in the town hall thank you
#37 of 374
Really change tranny fluid at 30K? by laura2
Nov 10, 2004 (6:14 pm)
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Is it really necessary to have the transmission fluid changed at 30K or is not? Not sure if I'm being taken or not? Any thoughts?
#38 of 374
Re: Really change tranny fluid at 30K? [laura2] by tommc
Nov 12, 2004 (3:49 pm)
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Replying to: laura2 (Nov 10, 2004 6:14 pm)

That might be a little early for a highway driven vehicle, not bad for a city driver. If you plan on keeping the machine for several years it's a very good idea to change the trans fluid regularly - if not - you can run it a long time without maintenance but it will shorten the life of it.
#39 of 374
What fluids should I change.. by bigbutr
Nov 14, 2004 (6:30 pm)
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Recently took possession of a 1996 extended cab with the 4.3 vortec V-6 with just 63,200 miles for use on a rural mail route with the USPS. I'll only be using it twice to maybe three times a week for a 58 mile route, but, as you can assume, there is a lot of stop and go. Anyone have any advice on what fluids I should change out. I'm thinking of switching over to full synthetic oil and was wondering if there is some upgraded auto tranny fluid which would help as well. I'll be taking advantage of Midas' lifetime brake guarantee since I plan on working with the USPS for a while.
FWIW, the truck was in immaculate condition, has nearly every option that was offered that year and looked nearly brand new. Old people take care of their stuff.
#40 of 374
Re: What fluids should I change.. [bigbutr] by hillbilly
Dec 02, 2004 (9:27 pm)
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Replying to: bigbutr (Nov 14, 2004 6:30 pm)

Well, definately change the oil and filter. I run synthetic in my 2000 Sonoma and I did in my prior '96 S-10. It will definately extend the life and health of your engine if you're willing to spend the extra change for the good stuff. If the the tranny fluid and filter have never been changed you're gonna want to do that too. As far as changing your coolant, if it has never been done it might be a good idea. Make sure you use the Orange stuff though or else you could have some problems. As far as other regular maintainence, make sure your brake and steering fluids are topped off and it might be a good idea to buy and new air filter as well, that can do wonders for your gas milage if yours is dirty. Well, hope that helps. Enjoy your truck. I had mine for 3 years and only a couple of minor, age related problems. It was a great truck. I just wanted 4x4.

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