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Old 08-24-2007, 01:58 PM
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dexronII or merconV AOD

My son has an 84 F150 with a bad AOD trans,i have a wrecked 85 GT mustang with a good AOD,i told him to swap that into it.

Question is,in the Haynes manual for the truck it lists ..
C4,C6,AOD..
1980....Dexron II
1981 on....Mercon

The mustang manual lists..
C3,C4,AOD and A4LD transmissions..
Through 1987......Dexron II
1988 on....Mercon

Being the same trans i dont know why they list Dexron II in the mustang instead of Mercon.(this one is an 85)
We looked at the casting numbers and everything its all the same.

I know ford now has a TSB to use the Mercon V now in place of any Dexron III/Mercon.

I already have a case full of Castrol Mercon V he could use,will it be OK to use it in the mustang AOD even though the manual says Dexron II?

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Old 08-24-2007, 04:23 PM
aka Duke of URL
 
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DEXRON II/DEXRON III and MERCON are all the same (differences are marketing names) (III replaces II in DEXRON).

I have also read the FORD TSB where MERCON V replaces all previous fluids (except TYPE F). I have a fresh case of MERCON V here that states it replaces DEXRON/MERCON.
________________________

06-14-4 MERCON ATF IS BEING REPLACED BY MERCON V ATF AS A SERVICE FLUID.

Publication Date: June 29, 2006

FORD: 1980-1997 Crown Victoria

1981-1997 Mustang, Thunderbird

1981-2003 Escort

1986-1993 Festiva

1986-1997 Taurus

1989-1997 Probe

1994-1997 Aspire

1995-2000 Contour

1980-1996 Bronco

1981-2003 F-150

1981-2004 E-Series, F-Super Duty

1983-1996 Ranger

1986-1996 Aerostar

1991-1997 Explorer

1993-2004 F-53 Motorhome Chassis

1995-1998 Windstar

1997-2004 Expedition

2000-2005 Excursion

2001-2007 Escape

1987-2000 F- & B-Series

2000-2007 F-650, F-750

LINCOLN: 1980-1997 Town Car

1981-1997 Continental

1993-1997 Mark VIII

1998-2004 Navigator

2002-2003 Blackwood

MERCURY: 1980-1997 Grand Marquis

1981-1997 Cougar

1986-1997 Sable

1987-1999 Tracer

1995-2000 Mystique

1999-2002 Cougar

1993-2002 Villager

1997 Mountaineer

2005-2007 Mariner

MERKUR: 1985-1989 XR4TI

This article supersedes TSB 01-15-7 to update the vehicle application chart.

ISSUE:

MERCONŽ Automatic Transmission Fluid is being replaced by MERCONŽ V as a service fluid.

ACTION:

Beginning immediately all automatic transmission / transaxle applications requiring MERCONŽ can now be serviced using MERCONŽ V or MERCONŽ Automatic Transmission Fluid or dual usage fluids labeled

MERCONŽ / MERCONŽ V. After July 1, 2007, MERCONŽ Automatic Transmission Fluid will no longer be manufactured, therefore, availability of this fluid will only continue for however long it takes to deplete what remains in inventory.

SERVICE PROCEDURE

Service automatic transmissions requiring MERCONŽ with MERCONŽ V or MERCONŽ Automatic Transmission Fluid or dual usage fluids labeled MERCONŽ / MERCONŽ V

For proper fluid application on current and past model vehicles equipped with automatic transmissions / transaxles refer to the fluid usage chart. (Figure 1)

CAUTION: AUTOMATIC TRANSMISSIONS / TRANSAXLES THAT REQUIRE MERCONŽ V SHOULD

STILL ONLY USE MERCONŽ V OR DUAL USAGE FLUID LABELED MERCONŽ / MERCONŽ V.

CAUTION: MERCONŽ SP, MOTORCRAFT PREMIUM AUTOMATIC TRANSMISSION FLUID AND MOTORCRAFT M5 ATFS ARE UNIQUE FLUIDS AND MUST BE USED IN APPLICATIONS RECOMMENDING THAT PARTICULAR FLUID. USE OF ANY OTHER FLUID MAY CAUSE REDUCED FUNCTIONALITY OR TRANSMISSION DAMAGE.

CAUTION: THE FUNCTIONAL CHARACTERISTICS OF FLUIDS FOR CVT TRANSMISSIONS ARE VERY DIFFERENT THAN THOSE OF OTHER AUTOMATIC TRANSMISSION FLUIDS (ATFS). USE OF
A FLUID OTHER THAN MOTORCRAFT CONTINUOUSLY VARIABLE CHAIN TYPE TRANSMISSION FLUID OR ONE LABELED AS MEETING MERCONŽ C WILL CAUSE FUNCTIONALITY CONCERNS AND INTERNAL TRANSMISSION DAMAGE.

CAUTION: DO NOT USE AUTOMATIC TRANSMISSION FLUID SUPPLEMENTS, ADDITIVES, TREATMENTS OR CLEANING AGENTS.

PART NUMBER PART NAME

XT-2-QDX MERCONŽ (Quart)

XT-2-DDX MERCONŽ (55 Gal. Drum)

XT-5-QM MERCONŽ V (Quart)

XT-5-DM MERCONŽ V (55 Gal. Drum)

NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information that could assist in proper vehicle service.

The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition described affects your car or truck. Contact a Ford, Lincoln, or Mercury dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article. The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supercede this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.
_____________________


I feel uneasy about it also...

Last edited by KULTULZ; 08-24-2007 at 04:34 PM. Reason: ENTER TSB
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Old 08-24-2007, 05:14 PM
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I THINK i understand what there tryin to say..Mercon V replaces any trans calling for Dexron II/III and Mercon.

BUT...there is transaxles that call for the Mercon"C" and Mercon"SP" and Motorcraft M5 ATFS and not recommended to use Mercon V for them..

Bottom line.it only replaces any Dexron II/III and Mercon...
Which in our case saying its recommended to use it for the AOD.

I happen to be in town today where my buddy owns a trans shop and he said the same thing,he says thats all he uses in these trans. if the owners permit the extra money for it..plus he said he will warranty a trans. longer if using the Mercon V in place of the Dexron and Mercon and even longer if they decide full synthetic,so were actualy doing the right thing..thanks KULTULS!!

John
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Old 08-24-2007, 07:17 PM
aka Duke of URL
 
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Quote:
Originally Posted by SuthnCustoms

I THINK i understand what there tryin to say..Mercon V replaces any trans calling for Dexron II/III and Mercon.

BUT...there is transaxles that call for the Mercon"C" and Mercon"SP" and Motorcraft M5 ATFS and not recommended to use Mercon V for them..
Excerpt From TSB;

CAUTION: MERCONŽ SP, MOTORCRAFT PREMIUM AUTOMATIC TRANSMISSION FLUID AND MOTORCRAFT M5 ATFS ARE UNIQUE FLUIDS AND MUST BE USED IN APPLICATIONS RECOMMENDING THAT PARTICULAR FLUID. USE OF ANY OTHER FLUID MAY CAUSE REDUCED FUNCTIONALITY OR TRANSMISSION DAMAGE.

Quote:
Bottom line.it only replaces any Dexron II/III and Mercon...

Which in our case saying its recommended to use it for the AOD.

I happen to be in town today where my buddy owns a trans shop and he said the same thing,he says thats all he uses in these trans. if the owners permit the extra money for it..plus he said he will warranty a trans. longer if using the Mercon V in place of the Dexron and Mercon and even longer if they decide full synthetic,so were actualy doing the right thing..thanks KULTULS!!

John
MERCON V is a synthetic. Guess FORD tired of marketing both. I am sure you can still get DEXRON III from any major refiner. The price of the stuff seems to have come down also.

I need to check if it is recommended for PS fluid also.
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