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#1
06-25-2010, 11:13 AM
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TCU & ECU Removal
A SVX owner emailed me (not a member here yet) and asked how to remove the TCU and ECU. He has a parts car and wants to remove them from it and then put them into his daily driver because they seem to be starting to fail. I was wondering if anyone could give some simple directions on how to remove these from the car. The installation would be the reverse of course. I will write them up and post in the How-To Documents.
Thanks in advance. 
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. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19 
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#2
06-25-2010, 11:40 AM
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Re: TCU & ECU Removal
did you give him the service manual? i find that helps the best to locating nuts and bolts
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Tranny goes in, tranny comes out, tranny goes in.....AW ****, tranny comes out....
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#3
06-25-2010, 12:41 PM
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Re: TCU & ECU Removal
tiny hands and good vision along with the seat being placed as far back as it will go!
  -Bill
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Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker
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#4
06-25-2010, 01:30 PM
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Re: TCU & ECU Removal
Original post isn't about me, but I'm after the same thing in order to install a new ECUTune chip. Sure enough, there's something that I'm missing from removing that big escaine panel from under the steering wheel; I think that would help quite a bit!
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Disclaimer: The above post is on the internet.
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#5
06-25-2010, 02:25 PM
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Re: TCU & ECU Removal
I did this when I did the Ecutune stage 1 chip. Getting them out isn't that hard at all. But I could only get 1 or 2 of the 3 screws back in when putting it back together. I didn't remove the ecsaine panel.
For a how-to I'd start with the Ecutune installation directions.
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album
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#6
06-25-2010, 03:26 PM
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Re: TCU & ECU Removal
Quote:
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Disclaimer: The above post is on the internet.
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