Trans Bang! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-31-2004, 01:17 AM   #1
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Default Trans Bang!

Today towards the end of my 335 mile trip I took off from a stop sighn at about 1/3 pedal or so. Once I got up to 40mph it held first gear for about a second and BANG it hit second so hard I thought the dash cracked! What the h*ll could of caused this. It happened once before only much less harsh and again after about 100 miles of driving. I kinda thought nothing of it but this time it was nasty. I thought maybe heat is to blame but my fluid is always light pink and doesn't smell burnt. Any ideas?
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Old 12-31-2004, 01:20 AM   #2
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Quote:
Originally Posted by fantastic88
The day before yesterday I filled up with Holiday gas completely. I was bored today so I decided to run the tank. I ran 335 miles of mixed driving. I redlined probably 10 times and did some sustained cruising at 90mph. I also drove under load meaning up hills at low rpms. Under load was smooth as usual. After I got back I checked my oil and plugs. The oil was clean and the plugs were good, no carbon or anything. I recieved 25mpg on the tank. So far so good.



sure sure...

my car does the same thing......ALL THE TIME...tranny is messed up....$5 sensor out...10-12 hours labor though...
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Old 12-31-2004, 01:23 AM   #3
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So you think the problem is a simple sensor? I sure hope so.
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Old 12-31-2004, 01:25 AM   #4
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The problem may be a sensor, but I don't believe "simple" is the right word to be using. Afterall, he did say it was 10-12 hours labor to change it. Thats not simple at all in my book.

Shawn
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Old 12-31-2004, 01:28 AM   #5
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Originally Posted by dbtk2
The problem may be a sensor, but I don't believe "simple" is the right word to be using. Afterall, he did say it was 10-12 hours labor to change it. Thats not simple at all in my book.

Shawn
I believe they're talking about the sensor that you have to remove the SIDE COVER of the trans get to.
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Old 12-31-2004, 01:31 AM   #6
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You're right 12 hrs of labor does not equal simple.
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Old 12-31-2004, 01:32 AM   #7
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Quote:
Originally Posted by fantastic88
You're right 12 hrs of labor does not equal simple. I wonder were in the trans this sensor is located.
im not saying yours is the sensor...but mine is...and the problem sounds similar
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Old 12-31-2004, 01:33 AM   #8
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You're right 12 hrs of labor does not equal simple.
Nope not at all.....Maybe you're loosing a TC?
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Old 12-31-2004, 01:34 AM   #9
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side cover? sounds like you're talking about the input speed sensor maybe?
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Old 12-31-2004, 01:35 AM   #10
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Quote:
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side cover? sounds like you're talking about the input speed sensor maybe?
I don't remember what it was called...I think harofreak knows.
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