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Old 03-23-2005, 10:02   #1 (permalink)
Tikka3006
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Rear End Sag on 02 Explorer

When I load the class 3 hitch to about 450 pounds the rear end sags. So
what are my options to correct this? The vehicle is an 02 Explorer XLT
with independent rear suspension and coil springs. I estimate I need two
inches or so of lift to level the vehicle?

I don't know much about suspension but thought the springs carry the load
and determine how much the vehicle sags under load? Will air shocks correct
rear end sag? I thought the purpose of shocks do is dampen the spring
oscillation? How do air shocks ride under load and without load?

Please post reply to group.

Thanks
tikka3006


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Old 03-23-2005, 10:02   #2 (permalink)
Big Shoe
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Re: Rear End Sag on 02 Explorer

Years ago I used air shocks on my station wagon when I pulled a camper
trailer. 450 pounds hitch load is pretty heavy, not sure what the
rating of the hitch is, but it's probably worth checking. Sounds like
maybe you need a load equalizing hitch rather than the class 3. Back
to air shocks, they worked well for me, but my hitch weight was more
like 200 pounds. When they are let down to minimum pressure, the ride
is not bad.

On Wed, 23 Mar 2005 17:31:41 GMT, "Tikka3006" <gphjstep1@juno.com>
wrote:

>When I load the class 3 hitch to about 450 pounds the rear end sags. So
>what are my options to correct this? The vehicle is an 02 Explorer XLT
>with independent rear suspension and coil springs. I estimate I need two
>inches or so of lift to level the vehicle?
>
>I don't know much about suspension but thought the springs carry the load
>and determine how much the vehicle sags under load? Will air shocks correct
>rear end sag? I thought the purpose of shocks do is dampen the spring
>oscillation? How do air shocks ride under load and without load?
>
>Please post reply to group.
>
>Thanks
>tikka3006
>


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Old 03-24-2005, 02:01   #3 (permalink)
Lt Fuzz
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Posts: n/a
Re: Rear End Sag on 02 Explorer

"Tikka3006" <gphjstep1@juno.com>
wrotenews:1Kh0e.2121$Sy.495@news.cpqcorp.net:

> When I load the class 3 hitch to about 450 pounds the rear end sags. So
> what are my options to correct this? The vehicle is an 02 Explorer XLT
> with independent rear suspension and coil springs. I estimate I need
> two inches or so of lift to level the vehicle?
>
> I don't know much about suspension but thought the springs carry the
> load and determine how much the vehicle sags under load? Will air
> shocks correct rear end sag? I thought the purpose of shocks do is
> dampen the spring oscillation? How do air shocks ride under load and
> without load?
>
> Please post reply to group.
>
> Thanks
> tikka3006
>
>


450 pounds on your trailor hitch is way too much. A perfectly balanced
trailor, you should be able to pick up the tongue and set it down on the
ball by hand.

I like to make sure I have about 40# wieght on the hitch so it doesn't
rattle and move around on the ball.

You need to balance the center of gravity on your trailor or load first.


--
---Mapanari---
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Old 03-24-2005, 07:01   #4 (permalink)
Big Shoe
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Re: Rear End Sag on 02 Explorer

You don't say how big the trailer is or how much it weighs. The rule
of thumb for trailer towing is that the hitch weight should be about
ten percent of the trailer weight. If the hitch weight is too light,
the trailer gets hard to control and fishtails easily - not a
situation you want to have. If you are really towing a 4,500 pound
trailer, then you need a load equalizing hitch.

On Thu, 24 Mar 2005 09:06:04 -0000, Lt Fuzz <fuzz@anonmail.com> wrote:

>"Tikka3006" <gphjstep1@juno.com>
>wrotenews:1Kh0e.2121$Sy.495@news.cpqcorp.net:
>
>> When I load the class 3 hitch to about 450 pounds the rear end sags. So
>> what are my options to correct this? The vehicle is an 02 Explorer XLT
>> with independent rear suspension and coil springs. I estimate I need
>> two inches or so of lift to level the vehicle?
>>
>> I don't know much about suspension but thought the springs carry the
>> load and determine how much the vehicle sags under load? Will air
>> shocks correct rear end sag? I thought the purpose of shocks do is
>> dampen the spring oscillation? How do air shocks ride under load and
>> without load?
>>
>> Please post reply to group.
>>
>> Thanks
>> tikka3006
>>
>>

>
>450 pounds on your trailor hitch is way too much. A perfectly balanced
>trailor, you should be able to pick up the tongue and set it down on the
>ball by hand.
>
>I like to make sure I have about 40# wieght on the hitch so it doesn't
>rattle and move around on the ball.
>
>You need to balance the center of gravity on your trailor or load first.


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Old 03-24-2005, 07:01   #5 (permalink)
Big Bill
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Re: Rear End Sag on 02 Explorer

On Thu, 24 Mar 2005 09:06:04 -0000, Lt Fuzz <fuzz@anonmail.com> wrote:

>"Tikka3006" <gphjstep1@juno.com>
>wrotenews:1Kh0e.2121$Sy.495@news.cpqcorp.net:
>
>> When I load the class 3 hitch to about 450 pounds the rear end sags. So
>> what are my options to correct this? The vehicle is an 02 Explorer XLT
>> with independent rear suspension and coil springs. I estimate I need
>> two inches or so of lift to level the vehicle?
>>
>> I don't know much about suspension but thought the springs carry the
>> load and determine how much the vehicle sags under load? Will air
>> shocks correct rear end sag? I thought the purpose of shocks do is
>> dampen the spring oscillation? How do air shocks ride under load and
>> without load?
>>
>> Please post reply to group.
>>
>> Thanks
>> tikka3006
>>
>>

>
>450 pounds on your trailor hitch is way too much. A perfectly balanced
>trailor, you should be able to pick up the tongue and set it down on the
>ball by hand.
>
>I like to make sure I have about 40# wieght on the hitch so it doesn't
>rattle and move around on the ball.
>
>You need to balance the center of gravity on your trailor or load first.


The tongue weight should be 10-15% of the trailer weight.
This can't be expressed as simply 40#. It must be the right
percentage.

--
Bill Funk
Change "g" to "a"
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Old 03-24-2005, 08:01   #6 (permalink)
Big Shoe
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Posts: n/a
Re: Rear End Sag on 02 Explorer

I just looked up trailer towing in the owner's manual for my '05.
Ford has put a great deal of information there and you really need to
read it. Key points are that, if the trailer weighs more than 3,500
pounds then a load equalizing hitch is required, and that the hitch
weight should be 10% to 15% of the trailer weight. I used to tow a
trailer and it can get really dicey in a hurry, so please proceed with
caution here. The manual also notes that the vehicle brakes are not
designed for the extra weight of a heavy trailer, so trailer brakes
are required.

On Thu, 24 Mar 2005 14:04:52 GMT, Big Shoe <right_old@mynet.com>
wrote:

>You don't say how big the trailer is or how much it weighs. The rule
>of thumb for trailer towing is that the hitch weight should be about
>ten percent of the trailer weight. If the hitch weight is too light,
>the trailer gets hard to control and fishtails easily - not a
>situation you want to have. If you are really towing a 4,500 pound
>trailer, then you need a load equalizing hitch.
>
>On Thu, 24 Mar 2005 09:06:04 -0000, Lt Fuzz <fuzz@anonmail.com> wrote:
>
>>"Tikka3006" <gphjstep1@juno.com>
>>wrotenews:1Kh0e.2121$Sy.495@news.cpqcorp.net:
>>
>>> When I load the class 3 hitch to about 450 pounds the rear end sags. So
>>> what are my options to correct this? The vehicle is an 02 Explorer XLT
>>> with independent rear suspension and coil springs. I estimate I need
>>> two inches or so of lift to level the vehicle?
>>>
>>> I don't know much about suspension but thought the springs carry the
>>> load and determine how much the vehicle sags under load? Will air
>>> shocks correct rear end sag? I thought the purpose of shocks do is
>>> dampen the spring oscillation? How do air shocks ride under load and
>>> without load?
>>>
>>> Please post reply to group.
>>>
>>> Thanks
>>> tikka3006
>>>
>>>

>>
>>450 pounds on your trailor hitch is way too much. A perfectly balanced
>>trailor, you should be able to pick up the tongue and set it down on the
>>ball by hand.
>>
>>I like to make sure I have about 40# wieght on the hitch so it doesn't
>>rattle and move around on the ball.
>>
>>You need to balance the center of gravity on your trailor or load first.


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