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george.underwood

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About george.underwood

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  1. I have looked at the GM RPO code lists, configured both 2016 Chevy Colorado and GMC Canyon on the "Build" sites, and read the users manual and cannot answer these questions: 1. Does the 2016 Canyon/Colorado 4x4 Diesel have a neutral setting on the transfer case? 2. If it does include N setting, are there any other options (for example Z71 or Long Bed) that would exclude an N setting? I want to flat tow ("dinghy" tow) it behind a motorhome. I have learned this: 1. The diesel vehicles appear to ONLY offer the NQ6 transfer case for diesels. (it is included and only avaliable with the Diesel. Not sure if this excludes NQ7 as an option). 2: The 2016 users manual on page 330 says "Only dinghy tow four-wheel-drive vehicles that have an N (Neutral) and a Four-Wheel Drive Low (4 (down arrow pix) setting." Implying there are 4 wheel drive vehicles (2016 Colorados?) without these settings. 3. There are two pictures in the 2016 Colorado users manual of the transfer case control switch, Both show a N position. 4. The RPO list says nothing about a neutral setting on either avialable transfer case (NQ6, NQ7) for 2016 Colorado. (GMC RPO list ONLY shows NQ6). I swear i saw a diesel 4x4 on the local lot that does not have the N on the knob (peering thru the window). Maybe i cant see or am nuts. Dealers are generally clueless about this. Update: I went back to the nearby dealer with the 2016 diesel 4x4 and drove it. I am not crazy. The selector switch knob has an 'N' embossed but not painted white like the other labels on that knob. I did not put it in Neutral to verify but asked the salesman. He said something like they all have a Neutral setting and he understood about "dingy" towing reqiring it. A salesman from another (far away) dealer who has a longbed like i am looking for said the 2016 4x4 colorado i had found online does NOT have a N setting and he had not seen any with an N setting at thier dealership yet. So im even more confused. if i were to order one, how do i specify a Colorado (or Canyon) that includes the Neutral transfer case setting?
  2. here is GMC reply: "Dear Mr. Underwood, Thank you for contacting General Motors. We appreciate the time you have taken to write us and for allowing us to assist you. We are delighted to hear you are considering the Chevrolet Tahoe or GMC Yukon for your next vehicle purchase. These models have undergone impressive improvements as far as overall appearance, technology and performance. We construct our vehicles to meet or exceed all federal safety and crash regulations. The quality and workmanship instilled in our vehicles is what makes us a leader in the industry. Please know that customer feedback plays a major role in our commitment to the continuous improvement of our products and services. If we can be of further assistance in providing product information on our current models, please feel free to email us or contact us at the phone number provided below. Would a contact from a local dealership be helpful? We can have a GM dealership contact you by email or phone regarding your purchase or lease. We will make sure that the dealership contacts you in a timely manner. Just reply to this email with your consent. Again, thank you for writing us. At General Motors, we strive to provide exceptional customer service. If we can be of any further assistance please email us or call 1-800-462-8976 Monday through Friday between the hours of 8am to 9pm Eastern Time, and Saturday 9am to 6pm. Thank you for contacting General Motors. Sincerely, The General Motors Marketing Team http://www.gm.com/ You have received this email advertising GM products and services in response to your recent request for vehicle information. To opt out of receiving future email messages from General Motors please visit http://www.gmcontactpreferences.com/. General Motors Corporation, 100 Renaissance Center, 482-MAR-100, Detroit, MI 48265" Didn't even say they are working on it. Are big companies stupid or what?
  3. I just sent the following to both Chevy and GMC via thier online contact forms: "Dear GM/Chevrolet: We will be purchasing a new vehicle in 2016 to replace our aging 2002 Suburban. We were considering a 2016 Tahoe or Yukon but just read about the noise/booming issues that seem to be associated with roof attachment. They are now OFF our shopping list until we hear for sure these issues have been corrected in the build (not after the fact repairs). As a long time Chevy guy, I was sorry to hear of these problems. Good luck and let me know what you did to fix it."
  4. 2002 Suburban - trying to find identification and online source for the weatherstrip, or dust seal, at the bottom of the doors (NOT rear doors but driver/passenger doors). This weatherstrip is below the sill plate and is actually a secondary seal, not the main door seal. The weatherstrip spans the bottom of both doors and clips onto a black harder plastic trim piece that also spans both doors, about 6.5 feet long. The weatherstrip clips on using a molded-on stiff 'U' channel. The soft 'O'-part (that does the sealing against the door) has separated from the U channel part for several inches. The sealing part has a few inches of gap at the rear door post but othewise is the same cross section along its length. The U-channel part spans the entire length. I have been looking for an hour online and cant even find it or a picture or line drawing of it to ID the GM part name or part number. I would like to compare direct order pricing with the dealer charge.
  5. So shift adapts are in long term nonvolatile memory? And the adaptive programming will not relearn the new adapts in a few drive cycles? Just trying to save a few more bucks.
  6. Yes - backflushed with commercial tranny cooler flush, then blew lots of air through. Thanks
  7. 2002 Suburban 1500: I just finished installing a reman 4L60E and torque converter. The old one crapped out at 237,000. I put in an ETE Reman purchased thru Auto Zone. After topping off the fluid and checking basic functions, I drove it about 40 miles with no problems. Shifts pretty much OK. Questions: 1. I entered the VIN on the GM TIS website but cant really tell if the PCM has tranny updates or not. I dont know how to use this information. How do I tell? I am the owner since new, and as far as i know, the PCM has never been updated. (I tried to attach a pix but couldn't get it to work). For the "TRANSMISSION" and "TRANSMISSION DIAGNOSTIC" rows, there is a single Part Number, a single CVN, and the Bulletin column is blank on both. 2. If there are no updates, does the PCM need to be reflashed when replacing the transmission with the exact same type? 3. The vehicle's battery was disconnected for about 3 weeks while i did the work. Did this erase the adaptive transmission settings or do i need to have them erased with a proper scan tool?
  8. One of my leaks was around the water pump to block gaskets. Happened about 150K but took months to finally find it. Replaced water pump with new, and had to clean block gasket surfaces thoroughly. (2002 Suburban). The other leak was at one of the "quick disconnect" heater hose tee's to the front and rear heater cores. I ripped both of them suckers out and replaced with hose bib style tee's and regular hose clamps. Got the right hose and used sealant to adapt to the metal tubing where required. Not pretty but it doesnt leak.
  9. 2002 Suburban 1500: I just finished installing a reman 4L60E and torque converter. The old one crapped out at 237,000. I put in an ETE Reman purchased thru Auto Zone. After topping off the fluid and checking basic functions, I drove it about 40 miles with no problems. Shifts pretty much OK. Questions: 1. I entered the VIN on the GM TIS website but cant really tell if the PCM has tranny updates or not. I dont know how to use this information. How do I tell? I am the owner since new, and as far as i know, the PCM has never been updated. (I tried to attach a pix but couldn't get it to work). For the "TRANSMISSION" and "TRANSMISSION DIAGNOSTIC" rows, there is a single Part Number, a single CVN, and the Bulletin column is blank on both. 2. If there are no updates, does the PCM need to be reflashed when replacing the transmission with the exact same type? 3. The vehicle's battery was disconnected for about 3 weeks while i did the work. Did this erase the adaptive transmission settings or do i need to have them erased with a proper scan tool?
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