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GMC Yukon, Yukon Denali Towing

on an older 1997-1999 Tahoe/Yukon what did the factory tow package consist of?


  • tidestertidester Posts: 10,059
    You'll probably have better luck getting a reply from owners if you post your message in Chevy Tahoe or GMC Yukon / Yukon Denali.

    tidester, host
  • blckislandguyblckislandguy Posts: 1,150
    Let me weigh in here with a little soap box sermon. The reason to buy a tow package is not necessarily to tow. Some "tow packages" in fact don't even include a hitch! The reason to buy the tow package is to get the life extending transmission oil coolers, better radiator, maybe even synthetic fluid all around (Jeep GC), maybe better shocks, etc. I think that tow packages are almost mandatory if anyone has any intention of keeping the vehicle.
  • obrianobrian Posts: 1
    Can anyone tell me what fuse ckt. number is for the 12 volts out on the on the factory trailer plug it the 7 wire round plug this is to supply power to the trailer brakes backup battery. Thanks
  • darcherdarcher Posts: 2
    I hadn't thought about it in that way but I'll tell you that Toyota does. Just bought a 2007 Rav4 with a "Tow Prep Package", and you can't even start towing with that.
    Supposed to include an upgraded radiator, Fan-coupling, alternator and Pre-wiring. Not sure how to prove any of that! What it doesn't include is trailer wiring harness or hitch or anything that goes on a hitch.
  • dtown40dtown40 Posts: 18
    I just purchased a 2007 Rav 4 V6 with the tow package, and how I wish I had found this site sooner. I ve been on the phone with several toyota dealers, most of whom know nothing at all about the wiring harness issues. I cant wait to get the questionaire from Toyota, and let them know how I really feel now. It probably wont make any difference to them now that they ve sold me a car, but unless they do something about it, it will be my last Toyota purchase. This was pure deceptive advertising on their part, and I dont do business that way, nor do I expect it either. Maybe Toyota will do the right thing, only time will tell. This was my first Toyota purchase, and could be my last.
  • I want to buy a 2003 Yukon with a 4.8 with 3.23 or 3.73 gears or 5.3 with 3.73 gears.

    I am wondering if the 4.8 would pull 5,000 lbs or if I should go with a 5.3 liter.

    Thank you.
  • kimdvm1kimdvm1 Posts: 37
    Perhaps their brochures and dealers should be more clear, but towing packages have been like this for a long time. Some of them do include frame-mounted hitches, but only recently have more of them included full wiring. The wiring is easy to add, anyway. It is the transmission and engine cooler that are important to have before you start pulling much.
  • kimdvm1kimdvm1 Posts: 37
    It depends how often you are going to pull and how fast you want to go. I had a horse trailer (about 4500 lbs loaded) that I used to pull with an S10 with a 4.3. It was acceptable because of the engine/transmission coolers, but you certainly couldn't go fast with it and it wouldn't have been fun to go far.

    Our 2000 Denali has a 5.7 liter and pulled a 6000-lb camper on several trips. It worked that engine plenty hard, esp on hills. I would expect a 4.8 would be disappointing for anything except local pulling with that sort of weight.
  • dtown40dtown40 Posts: 18
    I got lucky with this issue and the dealer. When I told them that I wasnt happy about how they didnt make it clear what the Towing Package included, and that I would have to say something about it in the Toyota survey, they promptly installed the wiring harness at NO Charge. It saved me about 175.00 and they knew they didnt explain things like they should have. The dealer stepped up to the plate and made a satisfied customer. Great Job Toyota of Dallas.
  • Just purchased my 2007 XL. I am looking for instructions to install an electronic brake controller. I tow a travel trailer and need to hook up my electronic brake control. Can anyone provide such instructions or point me in the right direction?
  • nitro6nitro6 Posts: 1
    Is it possible to pull a 30' camper with a 1997 Yukon? It has the 5.7 V8 engine. The problem I'm having is when I hook up the camper the front end lifts up and it feels like I don't have alot of control in my steering. Is there something out there that can be added to help level out the camper and keep the front end from lifting up? The camper has a GVWR 9100 lbs. The Yukon has a GVWR 6800 lbs...I also have stabilizer bars cranked out to the max. Thanks for your help.
  • racer29racer29 Posts: 2
    you are at the limits towing 9100lbs ..... a weight distributing hitch should help with the front end lift, helper springs on the rear would also be a plus
  • rshtrsht Posts: 277
    You may want to consider installing a set of air shocks like those from Monroe called the Max-Air: bItem=_level0.mcMaxAirHeader.mcHeader&rolloverObj=[object+Object]

    I am not sure your exact model (i.e. 4-door or 2-door, either 2WD or 4WD), you may find your exact fitment via the e-catalog from Monroe:

    There are many brands and options out there for your application, a set of air shocks or Shocks with coiled over Helper Springs are probably one of the less expensive ways to enhance your Yukon's load capacity and control... I am only using Monroe as an example for your reference. Depends on how much time and money you plan to spend, there are some pretty extreme mods out there...
  • Trying to locate a forum here that refers to issues with the Tow Button not working on 2005 YukonXLT 2500. If someone could direct me there, it would be appreciated.
  • mirovskymirovsky Posts: 1
    I have a Yukon with a 5.3 L and a 3.42 axle ratio. We purchased a travel trailer and I think we trusted the salesman way to much. He told me that according to his towing guide my Yukon would have no problem. If my truck is rated maximum to pull 6,500 lbs and my travel trailer is roughly 6,300 lbs dry.

    I'm talking with the dealership and there are working with me. They have asked to actually weigh the trailer on a truck scale and have mentioned an upgrade of my a axle ratio to 3.73. That would max me out to 7,500 lbs.

    Looking for the "real deal" on the towing capacity. If there is anyone that can help my battle the dealership it would be appreciated.
  • gmcustsvcgmcustsvc Posts: 4,252
    I am from GM Customer Service. I am assuming that you have a 2008 2WD Yukon. If you purchased the flex fuel Yukon your max towing rating is 6400LBS. If you have regular gas and not flex fuel then it is 6500 LBS towing capacity. Trailering capacity may be limited by tow vehicle ability to carry trailer tongue weight. Addition of trailer tongue weight cannot cause vehicle weights to exceed Rear Gross Axle Weight Rating (RGAWR) or Gross Vehicle Weight Rating (GVWR). Even if you go to the 3.73 axel upgrade if you have the flex fuel your towing capacity is 7400lbs, and regular gas will be 7500lbs. If you have any further questions please let me know. Thank you,
    Mariah GM Customer Service
  • dandbdandb Posts: 1
    What is the towing capacity of a 2008 Yukon XL 5.3L V8 with the towing package. The dealer said that the real wheel ratio was 3.42 (or something like that) and I thought (perhaps incorrectly!) that with the tow package the rear wheel ratio was automatically 3.73.

    Bottom line--we have purcharsed a travel trailer with a fullly loaded weight of a bit under 7000 lbs, and will this Yukon work with this size trailer. We will do a bit a traveling in the Colorado mountains, but no off-road excursions.

    Thanks very much.
  • I am looking to buy a 2010/2011 new Yukon Denali XL AWD. Can you tell me if you recommend AWD or 4 wheel drive to pull a 30 foot Sea Ray boat. Currently I tow it with a 4 wheel drive 2008 suburban LTZ. On my suburban I can switch to 2 wheel, 4 wheel low or 4 wheel high. There have times on the boat ramp where I have switch to 4 low because the ramp is wet or full of algae.

    Will the AWD on the Yukon Denali XL be able to handle pulling the boat out of the water on steep boat ramps like my suburban does? My concern is on my suburban I can switch it to 4 wheel Low on the Denali I do not know how it works with AWD since there is no switch. Any thoughts?
  • can I pull a 27ft camper trailer that weights 4750lbs with a 2009 yukon xl with 5.3 engine 4 wheel drive
  • gmcustsvcgmcustsvc Posts: 4,252
    Hello Gdallinger,
    The 2009 Yukon XL 4 wheel drive can pull 5400lbs normally. If you get the max trailering package you can pull up to 7900lbs. If you have any further questions please let me know. Thank you,
    Mariah GM Customer Service
  • ladyarcherladyarcher Posts: 1
    edited January 2011
    How much weight can a 1994 Yukon 5.7 4 x 4 safely tow. This vehicle has a Reese hitch already installed with the brake package installed. It has towed a 28 foot Airstream before I purchased the vehicle. I have pulled a loaded (and I do mean loaded) 6 x 12 U-Haul with little to no problems.

    I want to purchase a travel trailer and need to know how big of a trailer will my Yukon safely pull. Any suggestions will be greatly appreciated.
  • Hi - I have a 28' Airstream trailer that weighs 7300 pounds. Have been using a 3/4 ton pickup to tow though looking at moving to large SUV for more comfort/seating room, etc. I really like a 2011 Denali (regular not XL) with AWD, the 6.2L V8, 3.42 axle, integrated trailer brake controller, etc. Specs say it can tow 8,100 pounds though looking for feedback/advice on using the Denali to tow a 7,300 pound trailer. We live in the east - mostly flat - but do take long trips that have some moderate uphill climbs. Thanks.
  • I too have been investigating this. This is a great guide here

    Basically you need to find out the GCWR of your vehicle. Which is sometimes not published. The Max towing capacity is determined by GCWR - GVWR. GVWR is the total weight of your vehicle, passengers, cargo + tongue weight. You also have to be mindful of the Rear Axle Weight Limits.

    I'm looking to purchase a 2011 Tahoe LTZ with 3.42. It has a max towing rating of 8500#, but the max GVWR of 7100#. I've also seen GCWR listed as 11000#.

    Curb Weight of a vehicle is also a good number to know. It is the weight of the vehicle with options + all fluid levels topped off.
    2011 Tahoe LTZ 2wd is 6029#. So some simple math here 11000 - 6029 = 4971. So how in the world can they list 8500# as the max towing. There is some major fuzzy math going on here.
  • gmcustsvcgmcustsvc Posts: 4,252

    As long as the weight of the trailer and cargo does not exceed 8100 pounds, you should not have a problem. Unfortunately I am unable to give feedback or advice on using the Denali to tow a 7300 pound trailer as i have not done so; however, Edmunds is a great resource to find people with this experience.

    Thank you and have a wonderful weekend!
    Caron, GM Customer Service
  • Bot a 2010 GMC YUKON SLT 1500 2WD, 3.42 rear axel ration, heavy duty trailering pkg, engine 5.3 Vortec V8, 6 spd auto, with 12000 miles. Book shows max trailer wt of 8400 and GCWR 14,000.
    Looking for a TT to tow on trips to see family from TX-GA-TN-NC & CT .
    Looking for suggestions as to what I should be looking for and what you are towing.
    Not looking to Max out as we have parked our Excel 36' in NM and are looking for something with a QUEEN size bed, a potty and shower and kitchen. Want to stay under 30'.
    Thanks for your help
  • davidvcdavidvc Posts: 2
    I was wondering if you could tell me the towing capacity of my 2008 Yukon SLT 5.3L V8 VIN#: 1GKFC13J38R159666 (no flex-fuel)

    I have towed a 4800 lb travel trailer approx 100 miles (one way) and noticed that my Yukon usually has a temperature of 210 degrees (even when not towing). However, when I'm towing the TT, as soon as I start any kind of hill or grade I can watch the temperature increase. I also noticed that the Transmission temperature increases as well...up to 232 degrees. Once I started back down the hill or grade the temp quickly returns back to the 210 degree mark. According to the RPO code and owner's manual, I have 3.73 gears and a towing capacity of 7500 lbs. However, I have read several other articles that state I only have 6500 lb towing capacity. Was wondering if I should be concerned about the fluctuation in temperature or if this is to be expected.
    Also, should I tow with the "trailer" button on or not?
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964

    I understand your concern; I wanted to confirm with you that per GM the maximum trailer weight for your vehicle is 7500 pounds. It is also important to take the Gross Combination Weight Rating into account - essentially, the combined weight of your vehicle, cargo inside the vehicle itself, and the weight of the trailer should not exceed 13,000 pounds.

    The Tow/Haul mode on your Yukon adjusts transmission shifts while hauling, making them less frequent and more predictable. This can perhaps be very noticeable on downhill grades.

    As far as the fluctuation in engine temperature, engine coolant at higher altitudes will boil at a lower temperature than at or near sea level. If you turn your engine off immediately after towing at high altitude on steep uphill grades, your vehicle may show signs similar to engine overheating. I am not sure what altitude you are driving at, but thought that this might be useful to you.

    I am going to ask our Technical Assistance Center about the fluctuation in engine temperature you mentioned, just to make sure you are within a healthy range and that this is normal. Once I hear back from them, I will be sure to relay this information to you.
    GM Customer Service
  • aseniukaseniuk Posts: 1
    My husband and I have been looking at buying a travel trailer. We could be towing it with a 2007 Yukon. When looking online for towing capacity it changes with each website we look at- some saying only 4500lbs and others saying up to 7200lbs.

    Just wondering what is the maximum weight the 2007 Yukon can tow?

  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    Hello Ashley,

    That's an exciting investment! If you were willing to send us the last 8 digits of your VIN, we'd be happy to look into this further. You can either put them here on the forum, or send an email to [email protected] (include your question in the email as well so we will have a point of reference!).

    All the best,
    GM Customer Service
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    The following is the response I heard back on the fluctuation in temperature question:

    Please see excerpt from owners manual page 3-47:

    “It also provides an indicator of how hard your vehicle is
    working. During a majority of the operation, the gage
    will read 210°F (100°C) or less. If you are pulling a load
    or going up hills, it is normal for the temperature to
    fluctuate and approach the 250°F (122°C) mark. If the
    gage reaches the 260°F (125°C) mark, it indicates
    that the cooling system is working beyond its capacity.”

    I hope this helps!
    GM Customer Service
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