2003 Ford Explorer Logo
Mark Lucas Posted on Jan 04, 2015
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I have a 2003 Ford explorer 4.6 engine 5 speed automatic transmission. Transmission won't change under pressure but when you back off the gas it change what could that be

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Bill Rochester

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  • Posted on Jan 06, 2015
Bill Rochester
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Your problem will be Solenoid and pressure related. Make sure you take it to a reliable trans repair shop. They will be able to tell you a lot more when they drop the pan. If the vehicle has over 150k and no dipstick be prepared for a complete overhaul. A NAPA AUTOCARE Facility can give you a very good warranty....2 year parts & labor free..

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  • Expert 185 Answers
  • Posted on Jan 04, 2015
john Benson
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5 0 Mustangs Tech Forum
There is a posting on the above link about testing and adjusting the Thortle Position Sensor. I would give this a try. Sounds like the transmission does not like the throttle position. You have to moveaccelerator to get a shift.

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  • Expert 39 Answers
  • Posted on Jan 04, 2015
Kar Volk
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It maybe torque converter ! I would go to transmission place and have them check it !

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  • Posted on Jan 04, 2015
Curtis Robinson
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It sounds like tor transmission needs new solenoids. They usually go bad around 150K miles if the fluid has never been changed. It cost about$750.00 at the Ford dealer. I recommend you have the dealer do all transmission repairs as they specialize in them and have all the tools and equipment to do it the proper way.

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  • Posted on Jan 04, 2015
keith ballreich
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Sounds like a clutch issue have clutch looked at

5 Related Answers

Anonymous

  • 85 Answers
  • Posted on Dec 27, 2009

SOURCE: 05 Ford Explorer Transmission

on the bottom of the transmission pan you will find a nut with a hex or torx in the middle you remove the center plug when the truck is hot and running on a level serface the trans fluod will dribble out if it does not dribble out it is low if it runs out fast a steedy streem it is over full now their is a part that screws into this for a fill if you remove the pan you will see how it works the pan has a pipe/ stack that when full of fluid the top of the pipe is at the full point if you remove the large nut the stack and plug will come out the best way to change the trans fluid is take it to some place that has a fluid exchange equment this will get all the fluid out including the torque converter

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Anonymous

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  • Posted on Dec 27, 2011

SOURCE: I need a diagram for 1994 ford explorer transmission

I have a 1994 Ford 4x4 6 the trans has starting to act funny when cold won't go in drive for about 5 min, also takes a long time to change gears after gets warm. I'm changing fluid and filter to see if that will help.. Any help is much needed thank you
[email protected]

Anonymous

  • 1 Answer
  • Posted on Oct 13, 2009

SOURCE: I need change the automatic transmission fluid Explorer 2002 E.B.

There IS a transmission drain plug on the 2002 Ford Explorer! It is, however, difficult to get the fluid back in as there IS NO dipstick (tube) to refill it. I installed the pan bolts far enough to hold the pan up (level) and then stuck a hose (attached to a funnel at top of engine compartment) through the opening between the pan and the bottom of the transmission. I was able to put five quarts in that way - no more as it will overflow (trust me). You can check other sites on how to check to see if that's enough and how to add more as needed. That's not simple either. Great idea Ford Motor Company (sarcasm) !!!!!!

Anonymous

  • 295 Answers
  • Posted on Mar 18, 2009

SOURCE: automatic trans slips 92 ford explorer

I would have the transmission check if you plan on keeping the car a long time. The lucas oil is an additive for the oil. The additive is making the fluid a little heavier and tricking the soleniods or clutch and bands with a different pressures.

This is a temporary fix. The transmission over time is going to start to slip more and more.

Kevin S 310

  • 21 Answers
  • Posted on Dec 20, 2009

SOURCE: what kind of transmission fluid for 2003 ford

DONT USE GEAR OIL IN A MANUAL TRANSMISSION. it will blow your seals out. the gear oil is too heavy and will block passages in the tranny

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Speed shift sensor 2998 Ford explorer 4x4

your post I GUESS, means the whole car works great end to end and engine runs but the transmission fails. as most do now 1998
me playing fast and loose with century.
no miles on car told (odometer)
but most are bad this old for 100 reasons inside it
A/T boxes love to fail that is there THING.
but we check fuses.
and scan the PCM/TCM.
it must be scanned. (OBD2 tool) or as the service manual tells you you how to do that 1996 to 2000 cars some have flash codes
only for the transmission (USA car)
Gen 2 Explorer
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as you can see there are 3 boxes used that
USA cars only
5-speed M5OD-R1 manual (4.0 L OHV)<<< NO !
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so as you can see the engine dictates the box and not told.
and the 55E is TCM electronics controlled
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the transmission shops re-builders can answer that.
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2003 ford explorer transmission won,t pull in any gear.

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How to find codes for check engine light on

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Long blinks Short blinks Problem
1 1 Camshaft position sensor
1 2 Mass air flow sensor
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1 4 Speed sensor
1 11 EVAP control system (flow)
1 14 Fuel injection system right bank (too rich)
1 15 Fuel injection system right bank (too lean)
2 1 Ignition circuit
2 3 Closed throttle position switch
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2 10 Fuel Injection system left bank (too lean)
3 1 ECU
3 2 Exhaust gas recirculation system flow problem
3 3 Front left O2 sensor
3 4 Knock sensor
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3 6 EGRC-BPT valve
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3 8 Closed loop control
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4 2 Fuel tank temperature sensor
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5 4 Automatic transmission control unit
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6 4 Cylinder #5 misfire
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6 6 Cylinder #3 misfire
6 7 Cylinder #2 misfire
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7 2 Three way catalytic converter (right side)
7 3 Three way catalytic converter (left side)
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7 5 Evaporative emission control system
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8 1 Vacuum cut valve bypass valve
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8 4 Automatic transmission control unit
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8 7 Evaporative emission Canister purge control solenoid valve circuit
9 1 Front Right O2 sensor
9 3 Evaporative emission Canister vent control valve
9 5 Crankshaft position sensor
9 8 Engine coolant temperature sensor
10 1 Front left O2 sensor
10 3 Park and Neutral position switch
10 5 EGRC solenoid valve
10 8 Evaporative emission canister purge volume control valve
11 1 Inhibitor switch
11 2 Revolution sensor
11 3 Improper shifting to first gear (Automatic transmission)
11 4 Improper shifting to second gear (Automatic transmission)
11 5 Improper shifting to third gear (Automatic transmission)
11 6 Improper shifting to fourth gear (Automatic transmission)
11 7 Solenoid valve lock up function
12 1 Shift solenoid B (Automatic transmission)
12 3 Overrun clutch solenoid valve (Automatic transmission)
12 4 Torque converter clutch solenoid valve (Automatic transmission)
12 5 Line pressure solenoid valve (Automatic transmission)
12 6 Throttle position sensor (Automatic transmission)
12 7 Engine speed signal
12 8 Fluid temperature sensor
13 2 MAP/BARO Switch Solenoid Valve
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Automatic Transmission, E4OD Initial Fill..........6.5 quarts
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4 speed E4OD..........15.7 quarts
4 speed 4R70W..........14 quarts
3 speed C6..........12.1 quarts
4 speed 4R75W..........14 quarts

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Hiya,

There are 5 automatic transmissions used in the Ford Ranger, Explorer and Mountaineer. They may be identified by checking the transmission code on the Safety Standard Certification Label attached to the driver's side door post, in the space marked Trans. The transmissions can also be identified by a tag attached to the lower left hand extension attaching bolt. The transmission codes are as follows:
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So, what you need to do now is...establish from a FORD workshop, whether both the A4LD and 4R55E transmissions share the same components and mounting dimensions.

Cheers,

Scott
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