Cadillac STS The newest installation of the performance sedan from Cadillac, having replaced the Seville

shift solenoid replacement

Old 07-03-2006, 05:38 PM
Thread Starter
Join Date: Jul 2006
Posts: 3
Default shift solenoid replacement

Anybody have any direction on replacing the shift solenoids on a 93 sts. Are they accessible through the bottom pan, or do I have to go in from the side cover.
Old 07-03-2006, 09:05 PM
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Join Date: Jun 2006
Posts: 507
Default RE: shift solenoid replacement

Assuming you have a northstar/4t80e then they are accessed from the bottom.
If detailed directions are needed i would suggest a service manual.
The entire lower valve body/channel plate must be removed and disassembled.
Also the lower channel plate gasket should be replaced.
If you have specific questions i will help the best i can, but this is not a doityourself type repair IMHO.
Please don't take offence to this, you may be well qualified for the task.
I just feel this type of repair should be done "by the book", at least the first time.
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