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How to tell if I have the Class IV towing package...

38K views 36 replies 20 participants last post by  Mongo53 
#1 ·
Hello Guys... I couldnt find a way to tell if I have the class IV tow package or not that comes with a 220 amp alternator and increased engine cooling...

So... How to tell?

JC
 
#6 ·
The best way probably is to get ahold of your build sheet, either by having a dealer run your VIN or requesting it from jeep customer support. You could probably check the part number tag on the alternator and based on that infer the engine cooling.
 
#7 ·
Yeah -- you also have the self-clunking shocks. If you have a hitch, you have the tow package (unless you bought used, and someone added it).
 
#8 ·
There are at least 4 different tow packages that use the same hitch. Some have cooling and alternator upgrades, some not.
 
#10 · (Edited)
Look at the build sheet, it will have everything put on that VIN.

It may list things like:
AHXP Trailer Tow Group IV
BAJP 220 Amp Alternator
NHAP Engine Oil Cooler
TBBP Full Size Spare
NMCP Heavy Duty Engine Cooling
XFHP Class IV Receiver Hitch
 
#15 ·
Isn't there like two different tow packages, for 2013:

The Trailer Tow Group (V-6) only)
Includes rear load-leveling suspension (not available with 4x2 or Quadra-Lift air suspension system), full-size spare tire, steel spare wheel, Class IV receiver hitch with seven- and four-pin wiring harness

The Trailer Tow Group IV (V-8 only)
Includes heavy-duty engine cooling, engine oil cooler, 220-amp alternator, rear load-leveling suspension (not available with Quadra- Lift air suspension system), full-size spare tire, steel spare wheel, Class IV receiver hitch with seven- and four-pin wiring harness.

So it looks like the V6 4x2 should not have the load leveling shocks but the V8 should, unless its superseded by the QL. Other years may vary.
 
#16 · (Edited)
Sticker excerpt from my '12 Laredo 4x2 V-6 (V6 is $100 less than V8)

Would like to know what is in the "heavy-duty engine cooling" and can it be retrofitted to my V6. One thing I believe in is maximum cooling capacity.

I do find it interesting that everyone knows about self levelling shocks but no one seems to have a clue where to find the white/green revese light lead in the cabin...
 

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#17 ·
From the parts book:

The HD engine cooling has radiator part number 55038001A* and fan/shroud 55038994A*. The std V8 and V6 radiators are 55038185A* . The fan is 55037992A* Perhaps you could take a look at them and see the differences or just replace/retrofit the radiator and fan.

There may be a difference in wiring harness, but its hard to tell

It looks like the optional V6 oil cooler is built into the oil filter adapter. The HD cooler has a radiator hose connection that the non cooled does not. Don't have a clue were the HD V8 oil cooler is


The * above is the part rev level.
 
#37 ·
The Radiator is simply a thicker core radiator, the standard duty radiator can easily be swapped for an heavy duty radiator, its just a radiator change (although in the WK2, a radiator change is not that simple or cheap if you're paying someone labor to do it) but if you need to replace the radiator anyway, the HD radiator is only $10 more for aftermarket. I have done it, when I needed a new radiator, I got the HD radiator.

The fan is not that simple. The SD and HD fan have totally different power schemes and wiring, even an additional electronic module. Go through the parts catalog more thoroughly and look up prices, you need more than the very expensive HD fan, you need several wire harnesses (some no longer available for certain years) and some of them they are charging more than a $1,000. And it may require configuring of electronic modules and since the Dealer tools are so locked down with idiot proofing the Dealer may not be able to configure the electronics for retrofitting an HD fan even if he tries.

Dunno about the oil cooler being opional but mine has one: "NHAP Engine Oil Cooler". My understanding is that it is oil/coolant not oil/air which makes the oil running over 20F cooler than the coolant even odder.
The Pentastar V6 has an oil cooler as basic equipment, it is not added for towing, its there on all V6's. Yes it is a Coolant/Oil heat exchanger, and it has thermostat, that might explain differences in water and oil temp. Also remember the Water Temp Sensor is in the water pump where the thermostat is also, the water is a pretty consistent temperature where the water temperature is modulated and hot and cold is mixing. The water temperature is often cooler in the radiator and warmer in the heads and some spots in the water jacket. I don't know where the water is drawn from for the oil cooler, but its possible to draw cooler water than the temp being measured for the water temp gauge. Or, it might be the thermostat in the oil cooler that accounts for the temp difference.
 
#23 · (Edited)
Hi everyone,

Today is Sunday March 9, 2014 and I'm planning on taking delivery of my 2014 Overland 4x2, 3.6 Liter Gas, with the Trailer Tow Package later this week.

I'm hoping to get a definitive answer about the 180Amp alternator listed on the build sheet of my vehicle. I've reviewed WK2Jeeps.com, Jeep.com as well as JeepGarage and can't find a definitive answer.

I purposely ordered the "Trailer Tow Package IV" with the understanding the following upgrades included a 220 Amp alternator. However, my build sheet list the following:

Heavy-duty engine cooling.
180-Amp alternator, < Not 220-Amp >.
Rear load-leveling suspension.
Full-size spare tire.
Steel spare wheel.
Class IV receiver hitch w/seven and four pin wiring harness.

InTheBush apparently has a 220-Amp alternator installed in their 2014 WK2 Limited 4x4, 3.6 liter Gas and "trailer tow package IV."

Is the 220-Amp alternator supposed to part of the "trailer tow package IV" on all models? Can the 180-Amp version be swapped for the 220-Amp version? If so, can the existing wiring system handle the extra 40 amps?
On a completely different tangent, could this be a negotiation point for me on the final sale price with my dealer prior to delivery?

Any help is much appreciated.

Thanks,
~ wj2000ca
 
#25 ·
Hi everyone, Today is Sunday March 9, 2014 and I'm planning on taking delivery of my 2014 Overland 4x2, 3.6 Liter Gas, with the Trailer Tow Package later this week. I'm hoping to get a definitive answer about the 180Amp alternator listed on the build sheet of my vehicle. I've reviewed WK2Jeeps.com, Jeep.com as well as JeepGarage and can't find a definitive answer. I purposely ordered the "Trailer Tow Package IV" with the understanding the following upgrades included a 220 Amp alternator. However, my build sheet list the following: Heavy-duty engine cooling. 180-Amp alternator, < Not 220-Amp >. Rear load-leveling suspension. Full-size spare tire. Steel spare wheel. Class IV receiver hitch w/seven and four pin wiring harness. InTheBush apparently has a 220-Amp alternator installed in their 2014 WK2 Limited 4x4, 3.6 liter Gas and "trailer tow package IV." Is the 220-Amp alternator supposed to part of the "trailer tow package IV" on all models? Can the 180-Amp version be swapped for the 220-Amp version? If so, can the existing wiring system handle the extra 40 amps? On a completely different tangent, could this be a negotiation point for me on the final sale price with my dealer prior to delivery? Any help is much appreciated. Thanks, ~ wj2000ca
doesn't look like it. here is mine. Built in Dec.

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Text Font Paper Document
 
#26 ·
I went to the Jeep home page. It has an owner's only log in see<https://www.moparownerconnect.com/oc/US/en-us/sub/Pages/OwnersLogin.aspx>. Once you have created an account, log-in and there is an link to put the VIN into, to find out the equipment as originally fitted.
 
#28 ·
Put passengers in the back seats and lots of stuff behind the back seat. :)
 
#31 ·
Throw 4 kegs of Guinness, several cases of really good Irish Whiskey and a couple of hunded pounds of ice in the back for St Patrick's day and see if that causes the load leveling shocks to level. Just check it out before you start celebrating. Also make a contribution to the freedom fighters in Northern Ireland.
 
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