What is ATF + 4 Trans Fluid

My owners manual for a 2001 Dodge Intrepid said use ATF + 4.
I havn't seen it. Is it the same as ATF DEXTRON H ???

Cougar wrote:

> My owners manual for a 2001 Dodge Intrepid said use ATF + 4.
> I havn't seen it. Is it the same as ATF DEXTRON H ???

There's Dexron (not "Dextron") H, the successor to Dexron III, but
according Exxon-Mobil it is NOT an acceptable substitute for Chrysler
ATF+4:

http://www.mobil.com/usa-English/Lub...il_ATF_D_M.asp

Exxon-Mobil now seems to have a fluid that is an approved substitute
for Chrysler ATF+4, called "Multi-Vehicle ATF":

http://www.mobil.com/USA-ENGLISH/Lub...ehicle_ATF.asp

However the link above doesn't specifically mention ATF+4 so I would
contact 1-800-ASK--MOBIL before putting even an ounce of Multi-Vehicle
ATF in a Chrysler 4-speed or 5-speed automatic transmision. Be sure
it's compatible with ATF+4, a synthetic, and not just ATF+3, which is
not synthetic (at least not completely synthetic). Also do not
substitute another transmission fluid or add a friction modifier, such
as Lubeguard, to common Dexron III/Dexron H since Chrysler does not
approve it, and don't listen to people who say they work perfectly
well, unless they'll put up a bond to guarantee all repairs to your
transmission. $7 a quart for the correct ATF+4 fluid isn't much of a
price premium to protect a transmisson known its higher than average
failure rate (a new fluid specification every 2-3 years means Chrysler
knows the design is bad) and to keep its warranty in effect.
Transmissions aren't as tolerant of the wrong lubricants as engines
are.

Thanks
On 8 Jul 2006 01:16:29 -0700, wrote:

>
>Cougar wrote:
>
>> My owners manual for a 2001 Dodge Intrepid said use ATF + 4.
>> I havn't seen it. Is it the same as ATF DEXTRON H ???
>
>There's Dexron (not "Dextron") H, the successor to Dexron III, but
>according Exxon-Mobil it is NOT an acceptable substitute for Chrysler
>ATF+4:
>
>http://www.mobil.com/usa-English/Lub...il_ATF_D_M.asp
>
>Exxon-Mobil now seems to have a fluid that is an approved substitute
>for Chrysler ATF+4, called "Multi-Vehicle ATF":
>
>http://www.mobil.com/USA-ENGLISH/Lub...ehicle_ATF.asp
>
>However the link above doesn't specifically mention ATF+4 so I would
>contact 1-800-ASK--MOBIL before putting even an ounce of Multi-Vehicle
>ATF in a Chrysler 4-speed or 5-speed automatic transmision. Be sure
>it's compatible with ATF+4, a synthetic, and not just ATF+3, which is
>not synthetic (at least not completely synthetic). Also do not
>substitute another transmission fluid or add a friction modifier, such
>as Lubeguard, to common Dexron III/Dexron H since Chrysler does not
>approve it, and don't listen to people who say they work perfectly
>well, unless they'll put up a bond to guarantee all repairs to your
>transmission. $7 a quart for the correct ATF+4 fluid isn't much of a
>price premium to protect a transmisson known its higher than average
>failure rate (a new fluid specification every 2-3 years means Chrysler
>knows the design is bad) and to keep its warranty in effect.
>Transmissions aren't as tolerant of the wrong lubricants as engines
>are.
>

Cougar wrote:

> My owners manual for a 2001 Dodge Intrepid said use ATF + 4.
> I havn't seen it. Is it the same as ATF DEXTRON H ???

1) There's no such thing as Dextron. Its Dexron.

2) ATF+4 is a friction-modified fluid required for the proper function
of the torque convertor lockup clutch. Its NOT the same as Dexron,
Mercon, Type F, or any other fluid.

3) Go to the dealer and buy it. Its pricey, but a WHOLE lot cheaper than
a rebuilt transmission.

Thank for your info
On Sat, 08 Jul 2006 14:24:21 -0500, Steve > wrote:

>Cougar wrote:
>
>> My owners manual for a 2001 Dodge Intrepid said use ATF + 4.
>> I havn't seen it. Is it the same as ATF DEXTRON H ???
>
>1) There's no such thing as Dextron. Its Dexron.
>
>2) ATF+4 is a friction-modified fluid required for the proper function
>of the torque convertor lockup clutch. Its NOT the same as Dexron,
>Mercon, Type F, or any other fluid.
>
>3) Go to the dealer and buy it. Its pricey, but a WHOLE lot cheaper than
>a rebuilt transmission.
>

"Steve" > wrote in message
...

> 2) ATF+4 is a friction-modified fluid required for the proper function
> of the torque convertor lockup clutch. Its NOT the same as Dexron,
> Mercon, Type F, or any other fluid.

http://www.ptcruiserlinks.com/forum/...?TOPIC_ID=3675

What do you think, Steve?

> wrote in message
. net...
>
> "Steve" > wrote in message
> ...
>
> > 2) ATF+4 is a friction-modified fluid required for the proper function
> > of the torque convertor lockup clutch. Its NOT the same as Dexron,
> > Mercon, Type F, or any other fluid.
>
> http://www.ptcruiserlinks.com/forum/...?TOPIC_ID=3675
>
> What do you think, Steve?

Going a little further, I have to service my 1997 Van with the 727 tranny
soon.
Would the AFT+4 quality fluid be advisable??

wrote:

> Going a little further, I have to service my 1997 Van with the 727 tranny
> soon.
> Would the AFT+4 quality fluid be advisable??

No. Just use Dexron. The 727 was designed for Dexron-like fluid and
is known to run forever on it, so don't risk anything else. I wouldn't
even bother with synthetic Dexron but instead would install an external
transmission oil cooler.

> wrote in message
oups.com...
>
> wrote:
>
> > Going a little further, I have to service my 1997 Van with the 727
tranny
> > soon.
> > Would the AFT+4 quality fluid be advisable??
>
> No. Just use Dexron. The 727 was designed for Dexron-like fluid and
> is known to run forever on it, so don't risk anything else. I wouldn't
> even bother with synthetic Dexron but instead would install an external
> transmission oil cooler.

I remember the last time I had the tranny serviced, it used a special
Chrysler type
fluid. This tranny now has 110,000 on it, and I should have it serviced
soon.
I probably wont do it myself, as I just dont have the time right now.

wrote:

> > wrote in message
> . net...
>
>>"Steve" > wrote in message
. ..
>>
>>
>>>2) ATF+4 is a friction-modified fluid required for the proper function
>>>of the torque convertor lockup clutch. Its NOT the same as Dexron,
>>>Mercon, Type F, or any other fluid.
>>
>>http://www.ptcruiserlinks.com/forum/...?TOPIC_ID=3675
>>
>>What do you think, Steve?
>
>
> Going a little further, I have to service my 1997 Van with the 727 tranny
> soon.
> Would the AFT+4 quality fluid be advisable??

I've always read that the ATFs are fully backward compatible with all
the Dexrons, all the way to old Type A fluid. ATF+4 has the best thermal
and oxidation stability of any of the Dexron fluid family, but other
than that its friction modifier additves wouldn't help with any pre-1977
Torqueflites that don't have a TC lockup clutch, and its not *necessary*
on the lockup equipped 727 derivatives into the 90s. I'd be inclined to
use it in any Mopar transmission made after the early 90s... but I stick
with Dexron III/ MerconV for my pre-77 Torqueflites. Mercon V has almost
as good oxidation stability as ATF+4, and is a whole lot cheaper- it
just doesn't have the friction modifiers needed for 90s convertor lockup
clutches.