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Transmission
Sent to Car Experts June 30 06:15 PM

How do I replace shift solenoids in transmission on 1999 Blazer 4.3 2/wheel drive? Also how many do I have in my transmission?

Thanks

Customer (name blocked for privacy)
Status:  Closed   Value: $5
Info Request
June 30 7:07 PM (51 minutes and 48 seconds later)
         
REPLIED to Info RequestCheck Mark
Before I answer this why would you be planning on replacing them?
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Davo -- Master technician -- 99% Positive Feedback on 1931 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply
June 30 10:49 PM (3 hours and 42 minutes later)
         
Reply to Davo/diablo666's Post: The reason I am planning on replacing the shift solenoids in my transmission is, a few weeks ago it started to shifting rough from start, then the service engine soon light came on, so I had a computer check done and it came up with a P1870 trouble code. I was told by someone that the shift solenoid may need replacing.

I guess my question to you is, can I get to the solenoids from the bottom of the transmission by taking the pan off?

I am assuming that the solenoids need to be replacing. Any help that you can give will be appreciated.
Customer (name blocked for privacy)
Answer
July 1 7:12 AM (8 hours and 23 minutes and 47 seconds later)
         
ACCEPTEDCheck Mark
Yes you can get to the solenoids by removing the pan.It will not fix the problem though.It will most likely need a valve body there is a bulletin for that problem.There are other things that could be worn internally but a valve body has fixed most for me.Here is a picture of the solenoids.367a ,367b and 394 are the shift solenoids.
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Edited by diablo666 on July 1 2005 at 7:16 AM
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Davo -- Master technician -- 99% Positive Feedback on 1931 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply
July 1 4:05 PM (8 hours and 52 minutes and 40 seconds later)
         
Reply to Davo/diablo666's Post: Thank you for the quick response. Your help was very much appreciated.

blazerfixit
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