Transmission solenoid replacement

Tiny
THEFORGE1981
  • MEMBER
  • 1999 MITSUBISHI ECLIPSE
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 191,000 MILES
Got the dreaded solenoid code and lost overdrive. How do I change them? Do I have to drop the transmission or can it be done mounted through the oil pan? Also, where can I purchase the solenoids?
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Saturday, September 17th, 2016 AT 10:25 PM

5 Replies

Tiny
AL514
  • EXPERT
What transmission code did you get? It may not be the solenoid. May be the TCM, (Transmission Control Module) I have had many wiring problems on the Eclipse also. All kinds.
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Sunday, September 18th, 2016 AT 5:25 AM
Tiny
AL514
  • EXPERT
Also, the Solenoids are located inside the transmission, can be accessed by dropping the pan. But check for circuit or module problem first, ie going by the code number.
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Sunday, September 18th, 2016 AT 5:27 AM
Tiny
THEFORGE1981
  • MEMBER
P1750 already replaced TCU and fuse got 1-3 fine no OD and oif you push in the button other will struggle trying to engage then shift erratic.
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Sunday, September 18th, 2016 AT 6:37 AM
Tiny
AL514
  • EXPERT
P1750 transmission solenoid assembly code. I guess from a little research, they are deep inside the transmission. You have to remove the pan, filter, and valve body to get to it. There is a ton of resistance tests you can do. To check each solenoid, but this does not look like an easy job by any means. I would erase the code and go for another test ride, I know you do not have OD, but see what codes come back. There also could be a problem in the harness between the TCM and transmission. I have found tons of corroded connections on the Eclipse that led me all over the place at times. Check circuits before tearing the transmission apart. I do not think the solenoids are very expensive, just hard to get to. Hope this helps some.
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Sunday, September 18th, 2016 AT 10:18 AM
Tiny
KEN
  • ADMIN
Another great answer! Nice work AL514

Best, Ken
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Monday, September 19th, 2016 AT 9:47 PM

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