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Showing results for tags 'Shift Solenoids'.
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I have not driven it yet because when I see him there are no symptoms but my friends 95 Eldorado I am told gets to a speed and from his description the RPMs surge like its slipping I took that to mean it freewheels. There is a difference between slipping and freewheeling, where the gear's limit has been reached and RPMS increase dramatically from that point because a shift didn't occur. Can a bad shift solenoid cause this symptom? He had the shift solenoids replaced about 7 years ago. If I recall the solenoids were redesigned with a bracket to limit the cracking potential. When he was in the hospital about 6 months ago, his wife had me check the tranny fluid because she said the tranny was "slipping". The fluid level was fine and I didn't detect slipping at all. The "slipping" is back at least intermittantly. I have assumed it IS shift solenoids as it is intermittent for the time being. I checked codes and don't see anything related to tranny. I don't know if shift solenoids produce a code in 95 (OBD1) I have not experienced bad shift solenoids or slipping of the tranny, so this is new to me. I am reluctant to do this job because we have had a few members have it turn into a bigger problem with NO drive at all. I understand there are check balls that must be placed properly. I have a dedicated tranny manual I need to refer to. Any ideas or experience with shift solenoid (especially pre-96) symptoms appreciated, thx