E4od questions
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Senior User
Joined: Nov 2008
Posts: 319
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From: Western Australia
So, 1/2 inch lines with temp pick-up, re-instate the rad cooler and pump mod, yes.Can this pump correction kit be installed easily by anyone or do I need to take it to a shop.
Elder User
Joined: Aug 2007
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if your mechanically inclined you could probably install it
i would suggest aquiring the kit and read the instructions to see if you have the capability to perform the mod
it will require removing the pan and pump assembly
and the pump halves must be aligned during the pump reassembly prior to reinstallation
i would suggest aquiring the kit and read the instructions to see if you have the capability to perform the mod
it will require removing the pan and pump assembly
and the pump halves must be aligned during the pump reassembly prior to reinstallation
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Senior User
Joined: Nov 2008
Posts: 319
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From: Western Australia
Do you have to drop the box out of the vehicle? I am a fitter so I have the basic tools and knowledge but have never worked on auto's before. Is there any special tools needed to do this instal. Cheers for the info.
Posting Guru
Joined: Dec 2009
Posts: 1,615
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From: Hagerstown, Md
the pump system to the pan is a waste of time and money it will have zero effect
first the trans temp should be kept below 200 degrees f. if at all possible 250 is beyond factory overtemp in fact 240 degrees is the overtemp threshold
it is also close to where the red dye in atf will turn clear due to temperature breakdown
the cooler lines recieve the fluid from the torque converter and after cooling go to the rear lube circuit then to the pan
the reason you have excessive converter slippage codes is because when the transmission gets too hot the lube circuit pressure falls off and there isnt enough pressure to hold the converter clutch applied and slippage results
and any automatic that is towing needs the in radiator cooler to remove heat through liquid transfer
air only coolers cannot achieve a radical transfer of heat from oil
if air only would work ford would have saved money by not using the radiator cooler
it was tried in 99 and 2000 with no radiator cooler which spawned a tsb to install a radiator cooler for towing
i prefer installing the gauge sender in the front transmission outlet cooler line so that the actual trans temp is read before cooling is done
in the PAN or in the PRESSURE TEST PORT is unreliable because both get the fluid after cooling and with massive coolers will give a false sense of trans temp
you also need to istall a pump modification kit from superior transmission it seperates the lube circuit and converter apply circuits to correct pressure loss to the converter
i use it on every E4OD overhaul , except the bushing they supply i prefer a factory style bronze bushing
the cooler is also low pressure there is no way a radiator cooler could withstand a 100 psi pressure
good luck and for the record late model production vehicles have 1/2 inch cooler lines
the larger the lines and coolers the longer the fluid remains in the cooler by reducing the speed due to increased volume
its that py square formula
first the trans temp should be kept below 200 degrees f. if at all possible 250 is beyond factory overtemp in fact 240 degrees is the overtemp threshold
it is also close to where the red dye in atf will turn clear due to temperature breakdown
the cooler lines recieve the fluid from the torque converter and after cooling go to the rear lube circuit then to the pan
the reason you have excessive converter slippage codes is because when the transmission gets too hot the lube circuit pressure falls off and there isnt enough pressure to hold the converter clutch applied and slippage results
and any automatic that is towing needs the in radiator cooler to remove heat through liquid transfer
air only coolers cannot achieve a radical transfer of heat from oil
if air only would work ford would have saved money by not using the radiator cooler
it was tried in 99 and 2000 with no radiator cooler which spawned a tsb to install a radiator cooler for towing
i prefer installing the gauge sender in the front transmission outlet cooler line so that the actual trans temp is read before cooling is done
in the PAN or in the PRESSURE TEST PORT is unreliable because both get the fluid after cooling and with massive coolers will give a false sense of trans temp
you also need to istall a pump modification kit from superior transmission it seperates the lube circuit and converter apply circuits to correct pressure loss to the converter
i use it on every E4OD overhaul , except the bushing they supply i prefer a factory style bronze bushing
the cooler is also low pressure there is no way a radiator cooler could withstand a 100 psi pressure
good luck and for the record late model production vehicles have 1/2 inch cooler lines
the larger the lines and coolers the longer the fluid remains in the cooler by reducing the speed due to increased volume
its that py square formula
PRESSURE TEST PORT? (i know this is where i have my tranny temp sending unit) but is this what he is referring to as the pressure test port in the above post or is there another port
sorry for the off topic ? in the thread the reason im asking is because i have an autometer gauge that my father-in-law gave me that he had on his dodge that was a tranny pressure gauge
Posting Guru
Joined: Dec 2009
Posts: 1,615
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From: Hagerstown, Md
so i could use this port for my tranny pressure gauge?
Elder User
Joined: Aug 2007
Posts: 728
Likes: 0
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