ragejg Posted August 29, 2005 Report Share Posted August 29, 2005 I'm getting an average of 20.1mpg in a mix of highway and town driving in my Lumina at the moment , and this is with the TC connector unhooked (I hooked it back p once, and it was not fun for the car at all, slowing down to 20mph sucked as it stayed in 3rd...). I was going to have the garage take care of the issue, but I might like to do it myself. Is it truly a big deal to do? ...and it the solenoid I need (or whatever it is, I don't know much about trannies) a part specific to the 125-C? ... or can I get this off, say, a 4T60? I'd like to do this myself if I can, as the freshly put in motor's working great @ 107k, but I NEED a couple more mpg. Quote Link to comment Share on other sites More sharing options...
ragejg Posted August 31, 2005 Author Report Share Posted August 31, 2005 Anyone? Quote Link to comment Share on other sites More sharing options...
ragejg Posted September 5, 2005 Author Report Share Posted September 5, 2005 What, no one's ever worked on a TCC before? Quote Link to comment Share on other sites More sharing options...
mihela816 Posted September 5, 2005 Report Share Posted September 5, 2005 You need the one from a TH125. Get a new one from a parts store, as likely a junkyard one will be broken as well. You have to remove the side case and work in a pretty cramped area. I think you have to splice the new one into the old one's wiring harness. Quote Link to comment Share on other sites More sharing options...
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