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Chevy S10/GMC S15-Sonoma: Problems & Solutions

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Comments

  • check engine is on. please help.
    thanks in advance
  • Hi,
    I lost all the lights on the left rear and the initial problem was with the left rear wiring harness. I found it to be open because of rubbing on the frame. I've fixed the brake and turn signal wiring but have no voltage on the left circuit for the parking light. I've checked as close to where the wiring exits the frame and no voltage is present. Can anyone tell me how this harness physically runs and where I can get the wiring diagram. The right rear parking light is fine.
  • This sounds like the Fan clutch is not engaging?? ... When you start the engine cold - the engine should should be "Loud" for a couple minutes as the clutch usually engages at part of the cold warmup cycle .... check for this (You can actually hear the differnece - as you should also hear the difference when the engine gets hot and the fan clutch engages when at Idle ....)
  • johns4johns4 Posts: 2
    Does anyone have the resources to be able to tell me if the wiring harness from a 1998 2.2 is compatible with a 1997. I've been trying to find p/n's to compare, but no luck. Trying to help daughters boyfriend with fire under hood ;) (no pun intended), and have found a 1998 wiring harness. Will be ordering from across country, and there is no return if wrong. Thanks in advance.
  • Thought I had all my lights working (changed a couple of bulbs and the flasher) but when I went for a safety inspection, I had no brake lights or rear turn lights. No fuses are blown and I inspected the grounding wires which look okay. Does anyone have a suggestion?
  • My 98 sonoma :lemon: brakes act similar. If I have to hit the brakes hard, they usually stay on! Can't even move the damn truck! Pedal is hard as a rock. I have to shut it off and start it back up. :lemon:
    Also, brakes seem to apply themselves! Tach goes up, usually down shifts and really struggles to move. Pedal is hard and right at the top. Usually shut off truck and re start. Pain in the [non-permissible content removed] on the X-way though. No dought the rotors are heating and warping because of this, have noted some vibration turning to jerking in steering wheel. :lemon:
    What's the deal? :lemon:
  • it probably needs a tune up, (spark plugs, wires, distributor cap & rotor, if you haven't done this to the vehicle since you've got it, do this first) or it could be an idle sensor (that's my best bet) or a mass airflow sensor if it's the multiport injected 4.3. but more than likely it's the idle sensor.
  • alcanalcan Posts: 2,550
    Your local GM dealer's parts dept should be able to give you the part # for each harness.
  • alcanalcan Posts: 2,550
    Probably a dinked signal switch. Power comes into the signal switch on 2 wires, the dark blue and orange. Power out to the left signal/brake is yellow, to the right signal/brake is dark green:

    http://www.autozone.com/images/cds/gif/large/0900823d8012b28a.gif
  • Hey guys, I'm new to the forums. I bought my 1989 for 200$ from a buddy of mine. There was a leak in the head gasket and a lot of oil got into the water. So now my radiatoris coated in about an 1/8" thick of sludgy oil. I've tried flushing the radiator many times. I bought on of those "V" flush system things hoping that would give me better results, but it didn't. I also thought of steam cleaning the rad, but I'll have to bring it to work.

    I know you're probably thinking, it's an 89 for christ sake get a new rad. Well the rad was replaced about 4 months ago, right before the leak occured.

    So if anyone has any advice on how I could remove the oil, please inform me.

    Thanks for your time

    -Matt
  • I have a 93 Chevy S 10 Pickup that will not start. I was having problems starting it last week, maybe like the battery was weak. I replaced the battery and it will not start still. I do not know what else to check to see what is wrong with it. Please help if you can. Thanks!
  • I have a 95 S10, 2.2L, 5 speed. I was told the head gasket was bad but it looks fine. The head was removed and there is antifreeze on the cylinders. The head has been cleaned and has no cracks. The oil has been drained and is clean, no antifreeze in the oil. There are 2 spark plugs that are corroded. Please help, what is wrong with my truck? :sick:
  • pick2pick2 Posts: 1
    Try checking for a lose ground wire. Lights flickering seems to be the first thing I'd look for is a loose wire somewhere
  • timing a 2.2 98 s10 is there a timimg mark so you can use a timing light
  • mattv1mattv1 Posts: 12
    I have an 89 s-10 with a 2.5 4 cyl that I replaced the head gasket on. I had done all the things toput it back in time but dont know what the timing should be. People tell me its all electronic and the ecm will take care of it. I know have a knock in it and was told about a knock sensor. I turned the distributor and got rid of the knock but it just wont idle or run right. Someone give me some advice before I burn the damn thing
  • mattv1mattv1 Posts: 12
    look and see if a vaccuum line has come off the switch or the vent flap. Most of those use a vaccuum to switch the levels
  • mattv1mattv1 Posts: 12
    if there is anti-freeze on the cylinders then either ur head is cracked or your headgasket is bad. It doesnt take but a small blemish to make it leak. Hopefully your block isnt craked inside the cylinder wall
  • gonogogonogo Posts: 872
    Nothing to time, factory set, to see the timing you need a scanner. :)
  • Battery has been replaced. Was running sluggish like the battery was bad. Not the problem. Still will not start with a new battery. Anyone have any advice?
  • cletocleto Posts: 2
    95 chevy s10 ls 5 spd
    Bought the truck about a 2 months ago, been running fine. Few days ago drove the truck to the store, shut it off, to work shut it off, and then went to get supplies, and the truck wouldn't start. At first my brother first possibly thought it was a fuel filter, checked that, blew out the filter and put it back on. Still wouldn't start. Checked lines and no gas was coming out of the fuel line. When we dropped the tank, there was somekind of sealant over top ring of the gas tank. Chipped that off, replaced pump. Truck started with not much of a problem, took it for a test drive, when I put it in to gear it hesitates and bogs down but won't die. Then when playing with gas pedal it will work for a few moments, then sputter and backfire. Let the truck idle for over an hour thinking it might be air in the lines, tried again and same result. Put fuel injection cleaner in it and still the same thing, someone please help! Ty. BTW, when I put the truck in reverse, I can press the gas down fully without any problems...
  • I have 93 S10 with a 2.8L engine. Coolant flows heavily out the backside of the motor between the back of the engine and the 5 speed transmission. Anyone know if there are freeze plugs back there? Hope the block isn't cracked.
  • I may be out of my league here by answering this however (just an amatuer), the symptoms you are describing reminds me of an issue I had with my 99 2.2L. I would replace the Throttle Position Sensor (TPS). It made my truck do all kinds of goofy things. It's only 20 bucks or so at autozone. Would be a cheap fix if it would work.
  • ken31ken31 Posts: 3
    I have a 2001 Chevy S-10 extended cab. Among other problems, I have now broken the plastic release door handle to the third door. My service and repair manual does not even acknowledge the existence of the door. cry: My question, how do you remove the handle to replace it with a new CHEAP PLASTIC ORIGINAL EQUIPMENT HANDLE. :mad:
  • ken31ken31 Posts: 3
    I have a 2001 S-10 with the service engine light glaring in my eyes 24/7. According to the service center I need a sensor replaced that is not readily available and costs $600. They have told me that the sensor is not needed and the truck is fine as is without it. Just a pain at the EPA check. Question??? How do I get the light to go off PERMANENTL????? :confuse:
  • I drive a '99 s-10 2.2 and my alternator just went out today. I drove it to work...everything ok. left for lunch and the battery light was on, so i turned it off in the drive-thru, and turned it back on. It started up just fine and the light went off. When i left work...it was hard to start. It was at night and my headlights were really dim. Also, my stereo cut off and on. The Instrument panel lights were really dim as well. When I got home, I turned the truck off, and immediately tried to see if it would start again...i just heard a rapid ticking sound. All this to say, if your alternator were going out, it probably wouldnt take long to find out.
  • I have had my 95 s10 for about 2 years now. 2.2L 5-speed generally a solid all around truck. At the moment she is running like crap, particularly when the engine is cold or if it is wet out. The engine will miss terribly throughout the rpm range whenever you try and raise the rpm either driving down the road of sitting in neutral. The problem used to solve itself, the truck would warm up and the engine would stop missing and she would run strong. Recently however the engine will still miss badly even when the engine has been completely warmed. I replaced the plugs, wires, pcv valve when I first got the truck and the person before me kept incredible records of the vehicles maintenance, and I have kept up with the regular maint. I replaced the plugs again this past weekend just to be sure, they showed no signs of abnormal wear for the time they were used. I went cheap on the wires when I replaced them the first time so I am going to try them again. At the moment I am thinking it must be a sensor problem which one I have no idea. Any advice would be great.
  • 33223322 Posts: 1
    do you have an oil cooler. get a kit to rebuild adapter plate. all you need is an oil ring.
  • cletocleto Posts: 2
    Found this out...

    I took it and got it diagnosed, and they told me that there wasnt enough pressure coming from the fuel tank... They checked before fuel filter, so its from the fuel filter back, any ideas what could cause this? When we dropped the gas tank, there was this hardend sealant that we had to chip off, the new fuel pumps o ring was too big so we used old one, basically what I'm asking is, could this seal be causing the problem, or would it just have the gas vapors escaping?
  • My son has a 1985 Chevy S-10. It has a 2.8 liter engine, 4 speed manual transmission, and its a 4x4.I can't find a Bellhousing anywhere for it. Does anyone know what Bellhousings would be compatible with this truck. Any help someone can offer would be greatly appreciated.
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