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Jeep Wrangler Towing

41 messages,  Last post on Nov 19, 2009 at 9:40 AM

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What is this discussion about? Jeep Wrangler, SUV


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#36 of 41
tow capability of a wrangler unlimited by bruleu
Aug 04, 2009 (4:34 am)
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I own a 2008 Wrangler Unlimited. The handbook says the GVWR for towing is 3500 lbs, with a 350 lb tongue weight. An RV salesman showed me the sticker inside the drivers door, which says the GVWR is 5460 lbs, so I can tow heavier. I figure he's just trying to sell me a larger RV...right?
#37 of 41
Re: tow capability of a wrangler unlimited [bruleu] by mac24
Aug 04, 2009 (6:22 am)
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Replying to: bruleu (Aug 04, 2009 4:34 am)

I figure he's just trying to sell me a larger RV...right?
 
Right!
#38 of 41
Re: tow capability of a wrangler unlimited [mac24] by erickpl
Aug 05, 2009 (11:58 am)
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Replying to: mac24 (Aug 04, 2009 6:22 am)

Keep in mind, even the Wrangler Unlimited isn't a long vehicle. The biggest factor in what you tow is the vehicle's wheelbase. The shorter the base, the lower the rated towing capacity. You do NOT want the tail (trailer) wagging the dog (Jeep). It would get ugly REAL quick!
 
-Paul
#39 of 41
Towing w/ 4dr JK by wendysinger
Nov 18, 2009 (3:48 pm)
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I have posted here before. I had a 2006 Unlimited which I sold, now I have a 2009 4dr JK. New Jeep, New questions.
 
This is for anyone who has modified their 4dr. JK to use as a tow vehicle:
  
I have 2009 4dr X automatic which has 3:27's and factory tow pkg. We installed a 4 inch lift but kept the stock rims and mud tires (32's). We have purchased a 16 ft. Funfinder travel trailer which weighs 2,500 lbs. empty and will be pulling it with sway bars. My husband has already installed the 7 pin and Prodigy brake controller. I have several questions because we would like to optimize the JK for towing the trailer:
 
1. Should we re-gear? To what ratio? Does it improve MPG and Power
2. Should we install air bags?
3. Also, I have seen several discussions regarding the tranny cooler and the placement of the stock cooler. I am afraid to install an aftermarket cooler because it may void the lifetime warranty. Is the aftermarket cooler necessary?
#40 of 41
Gear Ratio correction by wendysinger
Nov 19, 2009 (9:12 am)
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That should read "3.73".
#41 of 41
Re: Towing w/ 4dr JK [wendysinger] by mac24
Nov 19, 2009 (9:40 am)
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Replying to: wendysinger (Nov 18, 2009 3:48 pm)

1. Should we re-gear? To what ratio? Does it improve MPG and Power
2. Should we install air bags?
3. Also, I have seen several discussions regarding the tranny cooler and the placement of the stock cooler. I am afraid to install an aftermarket cooler because it may void the lifetime warranty. Is the aftermarket cooler necessary?

 
1: You probably will have to, not just for mpg but for general driveability. 4.88:1 will probably be the best choice unless towing will be the major part of your driving, in which case you might consider 5.13:1.
2: It's not essential, especially if the trailer tongue weight is correct and the trailer is balanced. Won't hurt though.
3: An additional transmission cooler, correctly installed, will be almost essential.
It's mere existence on the vehicle cannot affect your warranty, and as it's impossible to over cool the transmission, the only way it could invalidate your warranty is if it caused a transmission issue by leaking fluid in some way.
If you use a stacked plate design cooler, properly installed, and with the correct type of automatic transmission hose (not fuel line or water hose), you'll be fine.

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