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95 oldsmobile 3.1 engine


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worovitz
New User

Nov 10, 2011, 10:00 PM

Post #1 of 8 (2360 views)
95 oldsmobile 3.1 engine Sign In

bought the car thinking the linkage was messed up, found out it works fine.
so the car wont shift into gear but starts up and engine runs. i thought it could be an elctrical problem possibly, or an internal tranny problem?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 11, 2011, 4:55 AM

Post #2 of 8 (2342 views)
Re: 95 oldsmobile 3.1 engine Sign In

Not enough info for even a wild guess. You did that back-azzwards IMO and should have had a pretty sure diagnosis pre-purchase so can only hope the sale price will cover it,

T



worovitz
New User

Nov 11, 2011, 12:16 PM

Post #3 of 8 (2327 views)
Re: 95 oldsmobile 3.1 engine Sign In

well the car seems like it is stuck in park, it will periodically shift into neutral but not often i was thinking a transmission control soleniod, theres a "service engine soon" light on so im assuming its the check engine light, and every time i go to get a code reader the guy keeps giving me a paperclip and telling me a method that doesnt seem to work to get any codes any tips where to start any diagnostic?


Mr.scotty
Enthusiast
Mr.scotty profile image

Nov 11, 2011, 12:24 PM

Post #4 of 8 (2325 views)
Re: 95 oldsmobile 3.1 engine Sign In

Might have to go get it scanned with a OBD-1 scanner.
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Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 11, 2011, 12:30 PM

Post #5 of 8 (2322 views)
Re: 95 oldsmobile 3.1 engine Sign In

You have a transition year. It's half OBD1 and half OBD2. You need a professional scan too for that one.

That would be called the shift interlock feature. It operates on the same circuit as the brake lights so the first thing you want to do is to make sure the brake lights are working when this problem is present. If the brake lights are working, that proves the circuit is good up to that point, then you'll have to get to the solenoid in the console. Disassemble as much as you have to to access the solenoid near the shifting mechanism. Us a 12v test light to test for power coming and going at the solenoid when the brake is applied. If power is arriving and switching and the solenoid is not triggering, the solenoid is bad and will have to be replaced.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



worovitz
New User

Nov 11, 2011, 12:41 PM

Post #6 of 8 (2317 views)
Re: 95 oldsmobile 3.1 engine Sign In

Break lights work and when i apply the breaks it will move the linkage, it just wont engage into any gear its as if every gear is park and sometimes will allow most gears to be neutral intermittently


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 11, 2011, 12:55 PM

Post #7 of 8 (2310 views)
Re: 95 oldsmobile 3.1 engine Sign In

Take it to a transmission shop for diagnosis.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Nov 11, 2011, 6:43 PM

Post #8 of 8 (2290 views)
Re: 95 oldsmobile 3.1 engine Sign In

I agree, if you can put it into gear with the engine running and you know the shift linkage is moving the lever on the transaxle, and you have the fluid at the right level on the dipstick, the transaxle needs to come apart.





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