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Chevy Silverado and GMC Sierra Interior and Dashboard

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  • I just can't seem to figure this one out. I have a 98 chevy. On occassion - When I turn on the headlights, the instrument panel lights go out and both blinkers light up. In addition, the high beam light comes on even though the lights are on low beam. After a few minutes of driving, the instrument panel lights come on like normal to include the blinker lights and high beam light. I am also wondering if whatever problem this is is causing battery drain. Help!
  • Mine is acting up also, 99 silverado. There is a gate above the gas petal that was hanging up. I was able to move this gate but was unable to get it to work. Will probably have to replace the actuator motor. Hard to work on and is in a tight spot. Let me know if you find the fix.
  • I finally found a guy that had bought some trucks in New Orleans that had been in the flood during the hurricane. He was replacing everything in the cab. Bought the whole heater/air conditioner assembly for 50 bucks. Then decided to let someone else do the work. Cost me 447.47 more but I had a new heater core installed. Books says it was 6.7 hours work. I also had them use the actuators that hadn't been in the flood off of the old unit. Works fine now and the cold weather is here.
  • Did you ever figure out how to replace it? I tried prying the back of the mirror housing out, but was afraid to push too hard. Also tried to pry the gasket off, but was afraid to break it. I already scratched it trying.
  • Yes there is a problem with the gauge clusters on GM cars and trucks from about 1995 and up. As far as I could tell there is no recall. I would add that the problem is not only with GM but most other cars that have electronic dashes. The fix is to have your gauge cluster rebuilt. I have a 2003 Chevy Silverado. My gas gauge just went out. Every time I turned on the key the gauge would go about a ¼ of an inch farther clockwise. My shop checked it out with their plug in computer to check codes and do diagnostic check on the truck. During the check the plug in computer cycles the gauges, my gas gauge would not cycle. But the computer said that my gas tank was 45% full of fuel. That told us that the gas gauge was bad. According to the blogs on the Internet the two most common gauges to fail are the speedometer and the gas gauge.

    Now we come to the bad news. Through the Chevy dealer here in Tucson it’s about $550.00 to send the gauge cluster off a get it rebuilt. Plus about $100.00 to pull it out and reinstall it. The price was the same at the repair shop that I use. Again according to the blogs on the Internet that’s the common price everywhere.

    Now for the not great news, but almost good news. As I searched the Internet for information after about 8 hours I found Tom Jeroski at Mr. Whizard Technical Services (yes I know he has an h in wizard it must be the way they spell it in Canada) www.mrwhizard.com/ Toll Free 1 888 803 8523. Tom does flat rate repairs for most electronic gauge clusters. I sent my gauge cluster Mr. Whizard with his supplied prepaid UPS label, which is covered in this flat rate price. Yes that’s right shipping is covered both ways for UPS ground. The only small problem is that it takes two weeks for the round trip. But again the good news is that the truck will run and drive with out the gauge cluster.

    On the Mr. Whizard website you will find instructions on how to remove your gauge cluster. I was able to unsnap the dash trim (one piece) and pull my gauge cluster out (the cluster is held in with four 7 mm screws) and put back the dash part in under15 minutes. It was a snap to say the least. lol

    The flat rate for my 2003 Chevy Silverado truck was $169.00 US. Tom lives in Canada so you will see an exchange rate thing on your credit card but it still comes down to $169.00 US. By the way Tom did both my gas gauge motor and my speedometer motor for the one flat rate charge. Tom said he likes to replaces the GM speedometer motor because they fail so often.

    I put the gauge cluster in today and it works great. Saved $381.00 to 481.00 depending on whether you do the work yourself or not. Now I can go get that GPS unit I wanted.
  • ahoronahoron Posts: 30
    Try an autoparts store they should be able to order the mirror. If you have to replace the whole assembly the mirror is held on with 3 bolts to access them you have to remove a small triangular piece of trim on the inside of the door, then remove the foam,disconnect the wiring harness,and unbolt the mirror.
  • geo9geo9 Posts: 739
    Check out this link for EASY mirror removal w/pics for
    mirror glass replacement:
    http://www.fullsizechevy.com/forums/showthread.php?t=175712

    Not sure on the cost of the replacement heated/signal
    mirror glass. The heated only glass is around $30 with
    discount at dealer or try GM parts direct.com......

    The crack is a common problem and dealer should fix
    if under warranty................
  • My speedometer quit working. The dealer said they had to replace the whole cluster for only 450.00 but that was for them to install it. I ended up getting a reconditioned one for 250.00 and installed it myself. That was back in June.Now the new one just broke and its only warrented for 1200 miles. So now I have to get another one.I think it would be cheaper to go to school to fix the #!/@% things. The dealer said the place they order from are GM certified Itold him not to brag about that.
  • After 60,000 + miles, my drivers seat heat has become inop. only staying on for a few minutes before shutting off on it's own. Is there a circuit breaker for this or is it on a thermostat. Thanks
  • Well I recently purchased a used 1500 with 160k on it. It runs quite well, doesn't appear to have the common engine clanks that most have in the cold weather. However while driving, or parked I noticed that my oil guague sits at about halfway and just jumps up and down. I hadn't seen anything about this being a common issue so I thought I'd ask and see what you all thought. If worse comes to worst I'll just have to take it in and get it looked at.
  • obyoneobyone Posts: 8,065
    Exactly how far does it jump? Are you talking about the needle or the gauge itself? When parked it jumps as the idle remains unchanged?
  • My 02 just started doing this and while I haven't fixed it yet, I suspect the sending unit is worn where it spends the most time. Doesn't do it when it's cold or if you rev the engine a little to get the sender to a different spot, so I suspect a new sending unit will fix it. Good luck ,Jim
  • Well after watching it a little more closely it appears to stable out while I accelerate, however when i sit idle it moves from about the halfway point on the gauge about a quarter of an inch. Its not a constant rise and fall it bounces up and down. So... sending unit?
  • Ok guy big problem with my 99 z71 truck (im setting with 96,000 miles right now)
    Im supposed to leave town tomorrow on a family thing but the other day my speedometer just died on me and went strait to 0MPH for no reason at all now the crazy thing is when I lay off the gas (or touch the brake) the speedometer acks like it wants to work and the needle jumps up but then the very second it jumps up it drops strait back to 0mph…
    I took the truck in and the mechanic installed a new sensor but it was still having the same problem (he said he has never seen this type of problem before) so what can I do to get this problem fixed???

    any help would be greatly appreciated
  • geo9geo9 Posts: 739
    Most likely your instrument cluster has failed.
    Common issue on 03+04 trucks. First post I have
    seen on a 99 model..............

    Check out http://www.gm-trucks.com or
    http://www.fullsizechevy.com
    You will prob. find more info. there.........
  • chev 1500hd Silverado lt loaded. Fan in the headliner is rattling. Has anyone found any information on why this is there or how to replace the thing. Figure it has something to do with keeping the onstar cool but that's going away the end of this year anyway (analog). Any information would be of help. Thanks and ChevON!!
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