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Old 06-14-2005, 01:11   #1 (permalink)
AFMAN72
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98 F-150 4X4 Question

I bought a 98 F-150 last year. It runs great/drives great but when I use
4-wheel drive and attempt to make a tight turn it seems to put a noticable
strain on the trransmission. The truck has a 5-speed transmission and I
really have to give it more gas to make the tight turn. I have and Explorer
4X4 too and don't notice any problems making tight turns in 4X4 mode. Any
ideas on what might be wrong? thanks Phil


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Old 06-14-2005, 01:11   #2 (permalink)
JimV
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Re: 98 F-150 4X4 Question

AFMAN72 wrote:
> I bought a 98 F-150 last year. It runs great/drives great but when I use
> 4-wheel drive and attempt to make a tight turn it seems to put a noticable
> strain on the trransmission. The truck has a 5-speed transmission and I
> really have to give it more gas to make the tight turn. I have and Explorer
> 4X4 too and don't notice any problems making tight turns in 4X4 mode. Any
> ideas on what might be wrong? thanks Phil
>
>

Did you read the owner's manual? You're not supposed to use 4WD on dry
pavement.
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Old 06-14-2005, 01:11   #3 (permalink)
AFMAN72
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Re: 98 F-150 4X4 Question

Thanks for duh response but what about driving on icey or snowy conditions
in Colorado? Phil
"JimV" <jv9999@yahoo.com> wrote in message
news:Vr6dnYzGlLD5kzbfRVn-qA@comcast.com...
> AFMAN72 wrote:
>> I bought a 98 F-150 last year. It runs great/drives great but when I use
>> 4-wheel drive and attempt to make a tight turn it seems to put a
>> noticable strain on the trransmission. The truck has a 5-speed
>> transmission and I really have to give it more gas to make the tight
>> turn. I have and Explorer 4X4 too and don't notice any problems making
>> tight turns in 4X4 mode. Any ideas on what might be wrong? thanks Phil

> Did you read the owner's manual? You're not supposed to use 4WD on dry
> pavement.



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Old 06-14-2005, 01:11   #4 (permalink)
David M
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Re: 98 F-150 4X4 Question

On Sat, 11 Jun 2005 10:13:11 -0600, AFMAN72 rearranged some electrons to
form:

> I bought a 98 F-150 last year. It runs great/drives great but when I use
> 4-wheel drive and attempt to make a tight turn it seems to put a noticable
> strain on the trransmission. The truck has a 5-speed transmission and I
> really have to give it more gas to make the tight turn. I have and Explorer
> 4X4 too and don't notice any problems making tight turns in 4X4 mode. Any
> ideas on what might be wrong? thanks Phil


Well, firstly, hopefully you aren't trying to do this on a
dry road because you will break something quickly.

Most likely there is nothing wrong with it. The CV joints aren't
perfect and when you turn them at a sharp angle, they are going to
have some resistance. Try not to make tight turns in 4wd and
don't worry about it.

--
David M (dmacchiarolo)
http://home.triad.rr.com/redsled
T/S 53
sled351 Linux 2.4.18-14 has been up 17 days 16:35

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Old 06-14-2005, 01:11   #5 (permalink)
AFMAN72
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Re: 98 F-150 4X4 Question

Only using it when the roads are bad during the Colorado winters. I'll stop
worrying about it. thanks P2
"David M" <NOSPAM@nospam.com> wrote in message
news:pan.2005.06.11.16.42.24.339223@sled351...
> On Sat, 11 Jun 2005 10:13:11 -0600, AFMAN72 rearranged some electrons to
> form:
>
>> I bought a 98 F-150 last year. It runs great/drives great but when I use
>> 4-wheel drive and attempt to make a tight turn it seems to put a
>> noticable
>> strain on the trransmission. The truck has a 5-speed transmission and I
>> really have to give it more gas to make the tight turn. I have and
>> Explorer
>> 4X4 too and don't notice any problems making tight turns in 4X4 mode.
>> Any
>> ideas on what might be wrong? thanks Phil

>
> Well, firstly, hopefully you aren't trying to do this on a
> dry road because you will break something quickly.
>
> Most likely there is nothing wrong with it. The CV joints aren't
> perfect and when you turn them at a sharp angle, they are going to
> have some resistance. Try not to make tight turns in 4wd and
> don't worry about it.
>
> --
> David M (dmacchiarolo)
> http://home.triad.rr.com/redsled
> T/S 53
> sled351 Linux 2.4.18-14 has been up 17 days 16:35
>



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Old 06-14-2005, 01:11   #6 (permalink)
SnoMan
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Re: 98 F-150 4X4 Question

"AFMAN72" wrote:
>I bought a 98 F-150 last year. It runs great/drives great but when I
>use
>4-wheel drive and attempt to make a tight turn it seems to put a
>noticable
>strain on the trransmission. The truck has a 5-speed transmission

and
>I
>really have to give it more gas to make the tight turn. I have and
>Explorer
>4X4 too and dont notice any problems making tight turns in 4X4
>mode. Any
>ideas on what might be wrong? thanks Phil


The Ujoints used in in that type of axles and all striaght axles at
that, are not constant velocity and they will bind more the sharper
you turn the wheel because the joint is trying to speed the wheel up
and slow it down twice with each revolution. The result is tightness
and a binding feeling as well as some steering wheel whip too. It is
also compounded by the fact the the rolling radius for front axle is
more then rear tires since they take a wider arc in turns. A truck
with true IFS (like GMs) have true CVs in the front axle and they
bind and lot less and steering wheel "whip back" is non existant
too.

--
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Old 06-14-2005, 01:11   #7 (permalink)
Mellowed
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Re: 98 F-150 4X4 Question


There is no problem at all when on icy or snowy roads. I have lived in
the So Calif mountains for the last 20 years where going for 2-3 weeks
straight with the hubs locked is common. However, Just throw the
Transfer Case lever into 2wd when moving from ice to non-ice. When the
roads are icy you can leave it in 4wd all the time.


"AFMAN72" <afman712@hotmail.com> wrote in message
news:11am4d98umqtd87@corp.supernews.com...
: Thanks for duh response but what about driving on icey or snowy
conditions
: in Colorado? Phil
: "JimV" <jv9999@yahoo.com> wrote in message
: news:Vr6dnYzGlLD5kzbfRVn-qA@comcast.com...
: > AFMAN72 wrote:
: >> I bought a 98 F-150 last year. It runs great/drives great but when
I use
: >> 4-wheel drive and attempt to make a tight turn it seems to put a
: >> noticable strain on the trransmission. The truck has a 5-speed
: >> transmission and I really have to give it more gas to make the
tight
: >> turn. I have and Explorer 4X4 too and don't notice any problems
making
: >> tight turns in 4X4 mode. Any ideas on what might be wrong? thanks
Phil
: > Did you read the owner's manual? You're not supposed to use 4WD on
dry
: > pavement.
:
:


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Old 06-14-2005, 01:11   #8 (permalink)
Marlin Singer
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Posts: n/a
Re: 98 F-150 4X4 Question

SnoMan wrote:
> "AFMAN72" wrote:
>
>>I bought a 98 F-150 last year. It runs great/drives great but when I
>>use
>>4-wheel drive and attempt to make a tight turn it seems to put a
>>noticable
>>strain on the trransmission. The truck has a 5-speed transmission

>
> and
>
>>I
>>really have to give it more gas to make the tight turn. I have and
>>Explorer
>>4X4 too and dont notice any problems making tight turns in 4X4
>>mode. Any
>>ideas on what might be wrong? thanks Phil

>
>
> The Ujoints used in in that type of axles and all striaght axles at
> that, are not constant velocity and they will bind more the sharper
> you turn the wheel because the joint is trying to speed the wheel up
> and slow it down twice with each revolution. The result is tightness
> and a binding feeling as well as some steering wheel whip too. It is
> also compounded by the fact the the rolling radius for front axle is
> more then rear tires since they take a wider arc in turns. A truck
> with true IFS (like GMs) have true CVs in the front axle and they
> bind and lot less and steering wheel "whip back" is non existant
> too.
>

The 97-03 F150s do use CV joints, not U-joints. The front is binding up
simply because in a turn the 2 wheels move at different speeds and on
dry ground, one can not slip.
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Old 06-14-2005, 01:11   #9 (permalink)
Joe
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Re: 98 F-150 4X4 Question

It's normal. Ignore it.

"AFMAN72" <afman712@hotmail.com> wrote in message
news:11am3ca8tghv9fd@corp.supernews.com...
>I bought a 98 F-150 last year. It runs great/drives great but when I use
>4-wheel drive and attempt to make a tight turn it seems to put a noticable
>strain on the trransmission. The truck has a 5-speed transmission and I
>really have to give it more gas to make the tight turn. I have and
>Explorer 4X4 too and don't notice any problems making tight turns in 4X4
>mode. Any ideas on what might be wrong? thanks Phil
>



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