95 BUICK TRANSMISSION PROBLUM

  • Tiny
  • Tmfauto
  • 1995 BUICK CENTURY
  • 6 CYL
  • FWD
  • 100 MILES

95 buick century transmission only has 1st gear and makes a rattle noise when in park. Reverse does not work at all. I can drive in 1st gear and once it shifts into 2nd, its like shifting into N. I will have to wait untill car slows down till about 12-15 mph untill I get 1st gear and can drive again.

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Monday, April 11th, 2011 AT 5:52 PM

10 Replies

  • Tiny
  • Saturntech9
  • EXPERT
  • 30,254 POSTS

Sounds Like your transmission has failed and from what you have described failed in a big way. If you were to fix it your best bet would probably be to just try to find a good used transmission. What color is your transmission fluid?

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Monday, April 11th, 2011 AT 5:57 PM
  • Tiny
  • Tmfauto
  • MEMBER

Its red and doesent smell burnt.

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Monday, April 11th, 2011 AT 6:02 PM
  • Tiny
  • Saturntech9
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Rattle noise in park scares me only having first gear I would think that something came thru the transmission to disable the other gears. Do you have any codes?

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Monday, April 11th, 2011 AT 6:11 PM
  • Tiny
  • Tmfauto
  • MEMBER

Well I tried the paper clip into the connector and after looking into it I found out that trick does not work and I have no obd 1 scanner.

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Monday, April 11th, 2011 AT 6:23 PM
  • Tiny
  • Saturntech9
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So does your car have a 12 pin or 16 pin diagnostic connector?

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Monday, April 11th, 2011 AT 6:28 PM
  • Tiny
  • Tmfauto
  • MEMBER

12 pin

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Monday, April 11th, 2011 AT 6:37 PM
  • Tiny
  • Saturntech9
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Then it should work by jumping pins A and B together and counting the flashing check engine light. Let me know what you find I posted a diagram of the diagnostic connector.

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Monday, April 11th, 2011 AT 8:04 PM
  • Tiny
  • Tmfauto
  • MEMBER

Ya thats what I was thinking but after doing some researh with this year make and model I found that there was no wire going to term B and so the paper clip trick will not work on these cars. The check light is not on so im not even sure there are any codes. I just went out there and tryed to put it in reverse and you can hear the rpm go down a little like it wants to go but just wont. The noise it makes is rotating sound like its the torque converter or something.

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Monday, April 11th, 2011 AT 11:13 PM
  • Tiny
  • Tmfauto
  • MEMBER

I can put it in 123 and D and the car will drive but only with first gear. You can put it in 2nd and its still in 1st put it in 3rd and still in 1st. IDK!

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Monday, April 11th, 2011 AT 11:15 PM
  • Tiny
  • Saturntech9
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Looks like your going to have to take it in to have it looked at then you can hear your options if it needs a used transmission or there is pressure issue or a code that leads to the problem. Keep me posted on what they find.

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Tuesday, April 12th, 2011 AT 8:08 PM

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