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Buick Rainier, Chevy TrailBlazer, GMC Envoy



  • akrollakroll Posts: 1
    I have a 2004 GMC Envoy - the rear AC comes on by itself even if the car is shut off.. goes off by itself too.. Any solution??
  • Does anyone know if the 05 Ascender /Envoy has front tow hooks??
  • gmcustsvcgmcustsvc Posts: 4,003
    I have limited information on what options were offered on what model years of vehicles. However the electronic parts catalog for 2005 S/T vehicles shows that this option RPO V76 for front tow hook was only available for Chevrolet not GMC. I hope this helps.

    Tricia, GM Customer Service.
  • Tow hooks an option?? That is odd , always had them even on the cheapest cars I have owned , an option?? Thanks
  • I am having the same problem. Were you able to figure out what was wrong with your radio?
  • Todd, if you haven't found a solution to your problem, I may have one... although the problem only happened in drive after several minutes of driving...
    several years ago, I had the same thing happen... it took the Chevy dealer 3 visits to solve this.. there is a rubber seal on the inside of the front wheel that was rubbing up against the hub? or something else.. can't remember as it was so long ago
  • Hello I have an 04 rainier. When I take off I start to get a roaring sound that semms to be coming from the front driver side. The faster I go the Faster the roaring which makes me believe it is in the wheel. Then as a decrease speed it slows down. Is this the wheel bearing going out?
  • It really sounds like a hub bearing to me--to double check lift that side of the vehicle and spin the wheel by hand then try rocking it side to side---there should be no noise and very miminal movement of the wheel---usually this repair requires the enlistment of a qualified mechanic for the repair because of special tools needed---also don't wait to long to get it repaired because you are placing yourself in a dangerous situation
  • I own a '05 buick rainier and what I need to know---is the oil pressure gauge supposed to read over 80 lbs of pressure constantly whether I am at idle or at driving speeds---when I turn off the engine the gauge does go down to zero and is there a way of checking the gauge foe accuracy---thanks
  • Oil pressure may vary with engine speed, outside temperature and oil viscosity, but readings above the low pressure zone indicate the normal operating range. A reading in the low pressure zone may be caused
    by a dangerously low oil level or other problems causing
    low oil pressure.

    I would be happy to ask our Technical Assistance Center for more information on this, but would need the last 8 digits of your VIN. If you were to email that to me, that'd be great!

    GM Customer Service
  • thanks sarah here are the last 8 digets of my vin---52174696---and thanks for the help so far
  • Good morning handyandy3,
    I have sent your questions over to the Technical Assistance Center and will get you an update as soon as they get back with me!
    GM Customer Service
  • Hello again handandy3,

    I heard back from our Technical Assistance Center:
    "Below are the minimum oil pressure readings (a service document). We recommend the vehicle be brought to a dealer so the vehicle can be properly diagnosed to determine if there is a concern.
    • Oil Pressure – Minimum – Hot 41 kPa at 1,000 engine RPM
    124 kPa at 2,000 engine RPM
    165 kPa at 4,000 engine RPM

    6 psig at 1,000 engine RPM
    18 psig at 2,000 engine RPM
    24 psig at 4,000 engine RPM

    I hope this is helpful for you! If I can assist in any other way, please let me know.
    GM Customer Service
  • elsazelsaz Posts: 3
    Can you tell me if you have found a solution for this problem yet? My buick rainier 04 starts having the same problem now.
    It is at dealership now for a different problem at this moment but I would like to know if I should expect another problem.
  • thanks for all the help, I just wanted to inform you that I finally took my car in to Rinke Chevy and they wound up replacing the oil pressure sender switch---thus now everything is like it is supposed to be---thanks again Sarah

    ken z
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964

    It's so wonderful to hear back, and I'm glad that everything is running properly!
    All the best, and if I can ever be of further assistance you know where to find me. ;)

    GM Customer Service
  • webweyeswebweyes Posts: 1
    A few weekends ago I had to replace the fan clutch on my '06 Trailblazer EXT LS. In addition to getting the P0495 code from the check engine light, when I rev'd it up it sounded like a jet engine. I knew I was in need of a new fan clutch. After looking under the hood I also noticed the pully on the water pump was wobbling as it spun so I replaced that as well. Since I was in there I also replaced the serpentine belt since it is a cheap replacement. This was the first time I'd done anything beyond brakes and rotors to this TB. I tried to document the steps I took so that I could pass it on to some other DIY'er having the same issue. Below is the website I document things like this on. I hope it helps. Let me know if you have any questions.
  • rgbrownrgbrown Posts: 1
    I have a 2004 TB-LS EXT that I've installed a dual-band Yaesu FT8800 in. I originally used a MFJ glass mount dual band antenna. This worked ok until the 2m side went out of sight on swr meter. My biggest complaint with this antenna was it had very poor range. I have factory dark tinted back quarter glass not sure if that caused any performance issues with the antenna or not. I now have a diamond 9000 motorized mount with a dual band Diamond NMO antenna. As far as erratic operations from the Trailblazer's computers I've not had any while transmitting.

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