Question about 1997 Chevrolet Lumina
How did the cable break? Or did it break? Most cars don't have cables anymore. It is all electronic. Did you hit something or run over something in the road that could have damaged the wires? The speed sensor is on the rear of the tranny, and the shifter is on the side, both are electric. A broken speedo won't have anything to do with the shifting of the car, but a faulty TCM will. You might try going that route, I would find a car just like yours and borrow the module and see if changes anything. You can buy one on ebay for $100, the dealer will charge you $300. Check out the fluid in the tranny first, then check your fuses, all of them, then find the TCM under the dash on the drivers side wall. Then make sure there isn't a raccoon under there wrapped around your shifter. If all this fails, then you have a serious problem, the shift solenoids are bad, the clutch is bad, according to the book it says that shudder in first gear is, low oil pressure, defective converter,leak in servo supply unit, misadjusted brake band, or defective sprag clutch. Check it out. Hope this helps.
Posted on Aug 01, 2010
FIRST THERE ISNT A SPEEDOCABLE. SOUNDS LIKE THE VSS(VEHICLE SPEEED SENSOR ) WIRING IS DAMAGED OR THE SENSOR WENT BAD. THE COMPUTER USES THIS AS A REFERENCE SIGNAL TO KNOW WHEN THE TRANSMISSION SHOULD SHIFT.
Posted on Aug 01, 2010
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Posted on Jan 02, 2017
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