Ecu removal (pic)
09-23-2013, 08:14 AM
#3
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09-23-2013, 03:42 PM
#6
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Heres where I'm at...
Having trouble getting it out..
Do you remove both metallic plates?
Also, do the black plastic with the wires on top of the metal have to be removed? Thx.
Having trouble getting it out..
Do you remove both metallic plates?
Also, do the black plastic with the wires on top of the metal have to be removed? Thx.
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10-16-2013, 05:09 AM
#8
Senior Member
How about the TCU/ECT?
Does the battery really have to be disconnected to pull the TCU/ECT
I want to check for trans oil in the tcu box
for the famous trans oil wicking-from-the-tcu-harness wire/wire-insulator into the a TCU box issue.
They found a bit of oil last time the tcu was tuned so I'm not sure how fast it's wicking.. As in months, really years. The oil is apparently harmless to the tcu circuit board and can be drained and cleaned. Apparently the root cause of the wicking was due to the harness connector old o rings that just needed the updated ones.
Just wanna take a peak.. First time ecu tcu newbie pull
Does the battery really have to be disconnected to pull the TCU/ECT
I want to check for trans oil in the tcu box
for the famous trans oil wicking-from-the-tcu-harness wire/wire-insulator into the a TCU box issue.
They found a bit of oil last time the tcu was tuned so I'm not sure how fast it's wicking.. As in months, really years. The oil is apparently harmless to the tcu circuit board and can be drained and cleaned. Apparently the root cause of the wicking was due to the harness connector old o rings that just needed the updated ones.
Just wanna take a peak.. First time ecu tcu newbie pull
04-20-2014, 08:39 PM
#9
Senior Member
How about the TCU/ECT?
Does the battery really have to be disconnected to pull the TCU/ECT
I want to check for trans oil in the tcu box
for the famous trans oil wicking-from-the-tcu-harness wire/wire-insulator into the a TCU box issue.
They found a bit of oil last time the tcu was tuned so I'm not sure how fast it's wicking.. As in months, really years. The oil is apparently harmless to the tcu circuit board and can be drained and cleaned. Apparently the root cause of the wicking was due to the harness connector old o rings that just needed the updated ones.
Just wanna take a peak.. First time ecu tcu newbie pull
Does the battery really have to be disconnected to pull the TCU/ECT
I want to check for trans oil in the tcu box
for the famous trans oil wicking-from-the-tcu-harness wire/wire-insulator into the a TCU box issue.
They found a bit of oil last time the tcu was tuned so I'm not sure how fast it's wicking.. As in months, really years. The oil is apparently harmless to the tcu circuit board and can be drained and cleaned. Apparently the root cause of the wicking was due to the harness connector old o rings that just needed the updated ones.
Just wanna take a peak.. First time ecu tcu newbie pull
Anyone pull their TCU before?
04-21-2014, 02:04 AM
#10
MBWorld Fanatic!
The ECU & TCU are on the passenger side of a '05 CL65. There is a box with both in about the same location you are looking but the opposite side of the car. Take off the cover. The ECU is closer to the center of the car than the fuse/relay block. Just unplug the wire harnesses and lift it out. The TCU is on the opposite side of the fuse/relay block. A little tougher to get out. Lift the relay/fuse block out and you will be able to get your hands down to unplug the two TCU wire harnesses. Unplug them and lift it out. I would definitely disconnect the battery.
05-18-2014, 12:00 PM
#11
MBWorld Fanatic!
The ECU & TCU are on the passenger side of a '05 CL65. There is a box with both in about the same location you are looking but the opposite side of the car. Take off the cover. The ECU is closer to the center of the car than the fuse/relay block. Just unplug the wire harnesses and lift it out. The TCU is on the opposite side of the fuse/relay block. A little tougher to get out. Lift the relay/fuse block out and you will be able to get your hands down to unplug the two TCU wire harnesses. Unplug them and lift it out. I would definitely disconnect the battery.
Great info right there. Made the removal easy-peasy.
05-18-2014, 12:17 PM
#12
MBWorld Fanatic!
You welcome.
When I tried to remove my TCU I was told it was in the passenger footwell, then it was "under" the ECU. Too much bad info out there so I did not want you to waste time figuring it out like I had to.
When I tried to remove my TCU I was told it was in the passenger footwell, then it was "under" the ECU. Too much bad info out there so I did not want you to waste time figuring it out like I had to.
