1967 Cadillac EldoradoGERALD´S CADILLACS - NEWS

1967 Eldorado Seat Transmission repaired

When I got my Eldorado one function of the 6 way power seat did not work. The rear tilt function did not work at all and was stuck. When I pushed the according switch I could hear the motor spin but nothing happened. So I crawled under the seat and saw that the according transmission wire was disconnected from the actuator. I reconnected it but this did not change anything. I then checked all the connectors for current. Everything was o.k. there, so it could have only been the seat transmission itself.
I removed it from under the seat, what was a little tricky and involved getting in some strange positions to access all the screws. It would be easier if one removes the seat from the car, but thats a rather unpleasant work as well...
Eventually it came out of the car. I disassembled it and at first everything looked pretty good, but it soon showed that the old grease became rather hard and sticky and one of the three solenoids was no longer able to push the gear into a locked position.
I thoroughly removed all of the old grease and re-greased everything with white lithium grease. I then reassembled everything, reconnected the gear cables, reinstalled the transmission under the seat (thats a very tricky part...) and everything worked like new!
I now have perfectly working power seats again!

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The seat transmission disassembled - you can see the brownish old grease everywhere.
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Part of the gears and the solenoids
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The transmission part
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The three solenoids
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The cleaned and re-greased transmission

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