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Ford Expedition Towing Questions

42 messages,  Last post on Oct 08, 2008 at 6:33 PM

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What is this discussion about? Ford Expedition, Towing, SUV


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#22 of 42
Re: After market addition of heavy duty trailer tow package (536) [woodye] by woodye
Jun 16, 2008 (9:54 am)
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Replying to: woodye (May 20, 2008 10:54 am)

To Dswenko, Thanks for all your help. I finally negotiated a similar deal with the selling dealership for the 536 package.
 
As you know, the hitch receiver is rated for 9,200#, there are electric brake wires and receivers installed. The only addition was a larger radiator and cooler, your parts numbers.
 
It was labor extensive, so I would advise anyone that thought they got the heavy tow package and didn't try to get the labor done by the dealership. I thought replacing a radiator was simple, I"ve done older vehicles a lot. Ford Expedition requires removing the whole front clip and a bunch of surounding stuff. I put in my own 7 pin plug that was easy since the electric brake control wiring was already in place.
 
I think I was billed retail for the radiator and cooler, I'm working on that; but, my total parts only bill was 454.90. Brake controller and pin recepticle totalled around $160; but, I got a high end Brake controller to match one on my motorhome.
 
Thanks again.
 
Woodye
 
Longmont Ford, Longmont Colorado was my dealer that finally came around.
#23 of 42
Re: After market addition of heavy duty trailer tow package (536) [woodye] by dwsenko
Jun 17, 2008 (9:22 am)
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Replying to: woodye (Jun 16, 2008 9:54 am)

Woodye,
 
 I did much of the same investigation so glad I could help. Sounds like you are where (or very near where) you want to be.
#24 of 42
What about rear end ratio? by dieselone
Jun 27, 2008 (6:58 pm)
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I believe to be rated at the full 9,000lbs you need the 3.73 gear ratio which is code 16 on the sticker on the driver side door sticker.
 
I hate how Ford has done a two tiered tow package. I almost bought an 07 Expedition that I thought was rated for 9,000lbs but didn't have the h/d tow package. I was about to sign the papers when I did one last walk around and noticed it didn't have a 7pin adapter. The sales person and sales manager were clueless. I used the manual to determine that no 7 pin connector means now HD tow package. Many of the 07 Expeditions I looked at lacked the h/d tow package. I finally found a used 07 EB with the h/d tow package and 3.73 gears and bought it. Tows great, much better than the 5.3 powered Suburban I traded in.
#25 of 42
Re: After market addition of heavy duty trailer tow package (536) [woodye] by waygrabow
Jul 27, 2008 (2:03 pm)
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Replying to: woodye (May 20, 2008 10:54 am)

I had the same problem when trying to buy a used Explorer with its HD towing package. Most sales people had no interest in understanding that the light duty and Class III/IV hitches were different. When I forced the issue, stating that I ONLY was interested in the higher capacity hitch; they said that they would swap hitches. Starting in 2006 those hitches are welded, not bolted in place, as part of the frame; thus, a swap is impractical. Plus it wouldn't include the additional cooling capacity. I ended up buying a new Explorer elsewhere where the sales person actually listened to what I wanted.
#26 of 42
Re: After market addition of heavy duty trailer tow package (536) [waygrabow] by tomcincy
Aug 10, 2008 (7:49 pm)
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Replying to: waygrabow (Jul 27, 2008 2:03 pm)

Isn't it true however that in order to tow the 9,200# max with the HD towing package that you must use a weight distributing hitch? I didn't see any mention of it but thought it was worth mentioning. I could be wrong but I think that you still only get 6,000#'s with the HD tow unless you use the weight distributing hitch setup. Can someone help me out? I hope I'm wrong but that's how I read the sticker on the hitch that came with my 08 exp with HD trailer pack.
#27 of 42
Re: After market addition of heavy duty trailer tow package (536) [tomcincy] by woodye
Aug 11, 2008 (7:52 am)
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Replying to: tomcincy (Aug 10, 2008 7:49 pm)

"Isn't it true however that in order to tow the 9,200# max with the HD towing package that you must use a weight distributing hitch?"
 
Yes that's true. I believe it's in the Expedition manual.
 
I've found out something else that may be usefull. There is a spark plug removal problem in the 5.4 Liter engine. The plugs have a long shank below the threads in a tight hole in the head going down to and open to the combustion chamber.
 
 I called a lot of Ford mechanics and finally may have found the solution. On a Warm Engine, (most Ford Service reps said Cold engine, wrong) losen the spark plug 1/4 to 1/2 turn.
Then spray carb cleaner around the plug. It goes around the threads and breaks lose the carbon and crud build-up around the long shank of the plug.
 
I replaced my plugs using this procedure and everthing worked OK. You can hear the carb cleaner bubbling/sizzling, and the plugs came out fine. I used a magnet to pull them out and had to wiggle a couple of plugs. Still a pain and knuckle busting job; but, didn't break any plugs.
 
Champain makes a one piece plug, the stock plugs appear to be a bonded two piece shank. They are expensive and may not be necessary with the above procedure with a stock plug.
 
Woody
#28 of 42
Re: After market addition of heavy duty trailer tow package (536) [tomcincy] by dieselone
Aug 18, 2008 (1:05 pm)
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Replying to: tomcincy (Aug 10, 2008 7:49 pm)

Isn't it true however that in order to tow the 9,200# max with the HD towing package that you must use a weight distributing hitch?
 
It may say that in a manual but in reality, that is not that simple. Most trailers weighing close to 9k lbs will require a w/d hitch because they will have tongue weight of 10-15% of total weight. 900-1350lbs of tongue weight is more than most pickups/SUVs can safely handle on the hitch ball. Boats are different because they usually have tongue weights of 5-10% of total weight which in most instances does not require a w/d hitch.
 
The key to towing with any vehicle is to make sure you don't overload the axles on the tow vehicle and having a trailer with proper weight distribution and the proper hitch and brake setup. I use my 07 Expedition to tow our 25' travel trailer that is around 6,000lbs loaded. I use a w/d hitch with a sway control device to safely tow the trailer. Used the same setup with my previous Suburban. Realistically, I would not tow 9,000lbs with any 1/2 ton truck. IMO, if your towing that much, you need a 3/4 ton. 80% of max tow rating is a more real world number.
#29 of 42
Re: After market addition of heavy duty trailer tow package (536) [dwsenko] by dakota123
Sep 12, 2008 (8:47 am)
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Replying to: dwsenko (May 20, 2008 9:23 am)

Old thread, I know -- thought I would try anyway.
 
I picked up a 2007 Expedition w/ standard cooling. I knew towing might be an issue, but the deal was too good to pass up. My trailer weighs 5,500 lbs empty, so I thought there would at least be a chance that I would be OK even w/ a 6,000 lb tow rating. First couple of times towing were no problem.
 
Pulling Rabbit Ears Pass (Colorado, near Steamboat Springs, 7.5% grade) proved too much, and we overheated about 300 yards from the top. Bummer.
 
Long story short, I ordered and received the HD radiator and TOC. (The TOC is obviously a different and larger-capacity part.) The radiator invoice and box list the correct part number, 7L1Z8005B, however I see no difference at all in the replacement radiator. I know from this thread that it is the 'fins per inch' that is supposed to be different, but the 'fins per inch' of the new and old radiators seems to be the same -- I measure about 16 fins per inch across the outside (curiously, neither the 13 of the standard nor the 19 of the HD part as listed in the 2008 F150 guide noted elsewhere in this thread). Is this where I should be measuring, or is the fins per inch measured depth-wise?
 
The PN on the sticker afixed to the radiator itself is 7L14-8005-BC, so I am concerned that I received a mis-packaged radiator. Does anybody have the PN for the standard-duty radiator?
 
Thanks for the help; I'd like to have a clue before I go back to the selling dealer (if I even need to.)
 
Dakota123
#30 of 42
Re: After market addition of heavy duty trailer tow package (536) [dakota123] by dwsenko
Sep 12, 2008 (9:43 am)
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Replying to: dakota123 (Sep 12, 2008 8:47 am)

Dakota123,
 
My part numbers from the invoice were:
 
1........7L1Z-7A095-B....Oil Cooler Asy
1........7L1Z-8005-B......Radiator Asy
 
>> The PN on the sticker afixed to the radiator itself is 7L14-8005-BC
 
Typo?
#31 of 42
Re: After market addition of heavy duty trailer tow package (536) [dwsenko] by dakota123
Sep 12, 2008 (10:39 am)
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Replying to: dwsenko (Sep 12, 2008 9:43 am)

>>Typo?
 
I don't think so. I haven't had any luck finding the standard-duty PN. All of the authorized resellers seem to use the same catalog system, and it hides the PN unless you happen to already know it and search for the part by number.
 
>>1........7L1Z-8005-B......Radiator Asy
 
That's what my invoice and the shipping box says also, but as I said, I see absolutely no difference between the installed radiator and the replacement, even after measuring what I presume to be 'fins per inch'.
 
Dakota123

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