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'87 Auto Tranny - Lockup Solenoid Or Valve?


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#1
RyanM923

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My transmission doesn't stay in overdrive unless I have the pedal depressed a fair amount, causing me to accelerate while it locks into overdrive.  As soon as I let off the pedel to cruise at a normal speed it'll pop out of overdrive.  I have been told that my overdrive lockup solenoid may be clogged up and to remove/clean/install to see if that helps.  Well, the issue is I can't seem to find what I have been searching for (which should be easy to see), which is something like this (88-90 civic lockup solenoid): http://thumbs2.ebays...vz787VXJRGg.jpg

 

Has anyone done this to their 3g auto tranny before?  If so, could you give me a little help?  I got sent some shop diagrams and it looks like it may be a little lockup control valve that's more into the tranny rather than sticking out of the tranny like the solenoid does.  Any help is much appreciated to help me solve this issue.  I had the same issue with my '88 as well, with the overdrive not staying.