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Pickups Chevrolet S-10 & GMC S15 Sonoma Chevy S10 - GMC S15 and Sonoma Care & Maintenance
370 messages, Last post on Nov 03, 2009 at 4:58 PM
You are in the Chevrolet S-10 & GMC S15 Sonoma Forum. Your Host is kcram
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Replying to: canufixit (Feb 19, 2007 11:54 am) Anyway, the thing that gets my attention is the oil pressure sender. I have heard rumors and I think I remember seeing somewhere that the 4.3 was notorious for having those leak? Someone had mentioned a while back on this forum to check that, but it was so long ago that I had forgotten until you mentioned it. I'll start by cleaning the motor and then go from there. I'll not jump to the rear main just yet... I was highly doubtful it was that anyway since I only have 105K on it and no major oil loss... If it is the oil pressure unit, how difficult is that to change and approx cost???
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Replying to: the_big_al (Jun 27, 2008 3:16 pm) I'm not "Sure" where the sender is on this engine - on my old (1960's-1970's) GMs I changed quite a few. Those were on the top rear of the engine (and leaked right where you say the oil is dripping - which is why I made the post / comment)... The Sender is no more than a pressure switch and I'd say it has to be well under $100 (~ $50 or less ??) . Also, those oils Pressure switches needed a special socket for the a common socket wrench to install - as they were a screwy shape/Diameter - trying to use pliers to install guaranteed yet another leaky sending unit ... As for what's / where is in these engines - I'm not 100% sure .. Good Luck !! (If I remember, I'll look in my 2002 service manual and re-post any info I find ...) Canufixit. |
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Hi thebigal. A Question for you (and others) if I may ?? My, purchased new, 2002 GMC Sonoma (now has only 48K mi) has been acting a little strange in the part few months (or may be it's just me being paranoid ??). The Front end / drive bearings seem to be getting louder - but it seems to come and go. Perhaps it's just age - and the cold in the winter in the NE. USA. One Front bearing was changed about 15K mile ago - and it seems no louder that the other (if for nothing more than a comparison.). The front drive train noise tends to come and go - perhaps with temperature - and perhaps with changes in asphalt ... And, as it's getting older - It's probably just me complaining about an aging truck ... So, my question is - is your front end drive train / bearing, etc. still a quiet as when you had purchased the truck (I assume new ??) . I did change tires some months ago (to Toyo) and there was a slight difference in road noise - but this issue has been bugging me for about a year. It comes and goes (to my poor hearing) - but I assume if there was something going - it would show itself after a number of months ... Otherwise I have no issues .. Thanks!
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Replying to: canufixit (Feb 19, 2007 1:19 pm) Some months ago I had my rear U-joint replaced. At first I thought I was hearing things because it was a real quite almost grinding noise that would manifest it self only on take-off. For a couple months I could barely notice it. But as time wore on, it got louder, but still only manifested itself on take-offs. Then it got to the point where I could idle down the street (5 MPH) and hear the grinding.... That's the only thing I can think of since I only have a 2wd. Although when I re-did the brakes a couple months ago, I also repacked the front wheel bearing, but they seemed to be turning fine and making no noise. This was at about 100K and the 1st time I had ever done it. 4wd setup is probably a little different though? I think that your are right in that if something is going, it's gonna go quickly if you drive a nominal amount of miles. If you don't drive so much, and something is on it's way out and is related to the drivetrain, then it of course might take longer to rear it's ugly head. The only noise my truck makes is a knock in the steering column that developed after one of my last road trips over rough terrain. It has since dimished a little, but since the steering still works fine, I haven't taken the time to look at it. My oil leak is of more concern to me. 
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Hi, I have a 98 chevy s10 with 83,000 miles on it. the problem is when i start it in the mornings when its cold, it turns over right away, when i try to turn it on when its warm it will crank for about 3 to 4 seconds and start up really rough. I had a mechanic look at and he told me my fuel pump was bad so i changed that and now im out 500 bucks and no solution to my problem. Also after it starts up warm and i turn it off then on again right away it will start up fast, but if i let it sit for a couple minutes it wont start right away! What is wrong with my truck?
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Replying to: seandumas (Feb 21, 2007 10:16 pm) A couple dumb thoughts - - Vapor lock in the fuel lines? (Probably not if the pump is in the tank ) - or more possibly - Try lossening your gas cap - I'm wondering if you are getting a vacuum lok in the gas tank ... |
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Hey guys just wondering if anyone knew where to find the radiator drain plug as I am looking to flush my system. Thanks
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Replying to: dangles (Feb 22, 2007 11:32 am) ... I believe that it is on the passenger side lower corner?? I did go out and look (but with wet snow and such, I am NOT crawling under it to make sure. I couldn't tell from up top. If all else fails and you can't find it, just pop the lower radiator hose. of course then all the water would come rushing out with little hope of containing it all.
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Replying to: the_big_al (Jun 27, 2008 3:16 pm)
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Replying to: dangles (Feb 22, 2007 12:43 pm) Good luck 
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