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1995 Lumina still wont shift!!!


badluck4us
09-21-2009, 08:12 PM
Hello, I have a 1995 3.1L V6 Lumina. I was putting the car into reverse, and it like popped into it. The the speedometer quit working, and the transmission wouldnt shift out of first. So I looked it up, and everything pointed to the speed sensor. So I changed it, and it's still doing the same thing. What else could it be? I really miss my car! Thank You.
maxwedge
09-22-2009, 10:49 AM
Welcome to AF, make sure you have vacuum to the modulator to start with.
badluck4us
09-22-2009, 12:18 PM
Welcome to AF, make sure you have vacuum to the modulator to start with.

Thanks for the welcome. How would I go about doing that?
Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11) Sprint PPC6850SP
maxwedge
09-22-2009, 08:10 PM
L/s of trans down low there is a small cannister with a vacuum hose to it, engine running, make sure there is vacuum on the hose when disconnected from the modulator. BTW, is the speedo now working, if not that must be traced and repaired first.
trannyman52
09-23-2009, 12:06 AM
vacuum really has nothing to do with shifting other than "shift feel",,,reverse still good???? tranny known for damaging reverse reaction shell "stove pipe",,which usually goes out with a clunk,,,or bang,,,then up-shift issues occur,,,piece is needed for 2nd clutch input,,,,,,though would not account for vss problems
badluck4us
09-23-2009, 12:04 PM
Yea reverse works just fine. Just the speedo and shifting up thats giving me issues. Anything else i should try?
Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11) Sprint PPC6850SP
trannyman52
09-24-2009, 11:20 PM
no real advice,,,,a scanner would be nice,,,,not a code reader,,,to see live data in real time to see what the processor is getting from vss....another dumb thing is to check fuses gbaum
dannym
01-05-2011, 04:38 AM
The VSS sends electrical pulse signals to both the speedometer and the ECM, through the instrument cluster. If replacing the VSS doesn't solve the problem, then there may be a faulty electrical connection on the instrument cluster.
Scrapper
01-05-2011, 11:16 AM
Yea reverse works just fine. Just the speedo and shifting up thats giving me issues. Anything else i should try?
Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11) Sprint PPC6850SP
those were good for tranny problems my son and his wife had to put new tranny or rebuilt in theres twice.

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