Ford pressure control solenoid A

P0745 code "pressure control solenoid

probable cause open or short circuit condition, poor electical condition " on the Ford explorer.

This is a very common issue with these transmissions. It is usually caused by the solenoid pack in the transmission. There is bad news that goes with this. A lot of the time the solenoid pack causes damage and can break the bands and/or cause damage to the servo pistons that control the bands. If this is the case then a complete overhaul will need to be performed on the transmission including some machine work to the transmission case so this failure does not repeat.

Your first thing to do would be to remove the pan and replace the solenoid pack. If you still have problems after replacing you will need to have the trans removed and repaired. The solenoid pack is the cause, so that would need replaced anyway.

The solenoids on this trans are all part of one solenoid pack they are not serviced separately. You must replace the solenoid pack assembly in order to replace a solenoid. See item 10 below.

 

The solenoid pack has a round connector that goes through the case and the connector item #2 plugs into it. It is sealed by o-rings that come with the solenoid pack item #11. The pan gasket is reusable. All you need is the solenoid pack and fluid Mercon V and a way to inject the fluid in the fill hole in the bottom of the pan. Insert the bottle tip and squeeze in the fluid when done with the vehicle running and hot fill until it starts to run back out the centre plug hole.

Please Note:

There is no dipstick to fill this trans just a drain plug in the trans pan with a centre torx screw. Get the trans good and hot with it running remove the centre torx screw and insert the tip of the trans bottle in the hole and squeeze in the fluid until it runs out of the hole. There is a small stand pipe in the pan so it won't run out until you reach the proper level. If you drop the pan it should take about 5-6 qts to be at the proper level.

Just had a dig around for the exact price on the Pressure Solenoid and it was £235 + 17.5% VAT (at the time) which came to exactly £276.12.

Here it is getting ready to fit, without the electronic kick down solenoid fitted.

The square cut out on the bell housing is to enable access to the torque converter to flywheel attaching bolts.

The neutral/safety switch is a three prong affair which includes the reverse lights.

The EPC has two spades inside it's connector.

you do not have to remove the valve body. here are your instructions for replacing it.

Item	Part Number	Description
1	7F037	Torque converter clutch (TCC)
2	7G484	Shift solenoid (SSD)
3	7G484	Shift solenoid (SSB)
4	7H144	Electronic pressure control (EPC)
5	7G484	Shift solenoid (SSA)
6	7G484	Shift solenoid (SSC)

Removal

1. With the vehicle in NEUTRAL, position it on a hoist.
2. NOTE: If equipped, the transmission servo heat shield needs to be unclipped from the fluid pan rail and positioned out of the way for fluid pan removal.
3. If equipped, loosen the nut and position the heat shield out of the way

1. Place a drain pan under the transmission fluid pan.
2. Drain the transmission fluid.
3. Remove the transmission fluid filter.
   1. Remove the transmission fluid filter screw.
   2. Remove the transmission fluid filter.

NOTE: Main control assembly does not need to be removed for solenoid service
1. • Carefully lift up on wire loom guide and protector and disengage the retaining pins from the solenoid clamps
. Remove wire loom guide and protector
2. . Disconnect the appropriate solenoid electrical connector.
   1. Disconnect shift solenoids electrical connectors.
   2. Disconnect the torque converter clutch (TCC) solenoid electrical connector.
   3. Disconnect the electronic pressure control (EPC) solenoid electrical connector

1. 1. Remove the wire harness.
   2. Remove the solenoid clamp screws.
   3. Remove the solenoid clamp.
   4. Remove the appropriate solenoid(s).

This will help thanks.