08-11-2017, 10:34 AM
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#1
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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Tranny issue
Ok guys. My sons 04 Alero 3.4 has no forward gears. Only reverse works. Anyone experience this? What might it be? Im thinking a solenoid.
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
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08-12-2017, 09:47 AM
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#2
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GL Member
Join Date: Dec 2013
Location: Minnesota
Posts: 593
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I'm not completely sure what it could be but I know there are shift solenoids to control the shifts. As far as not having any forward gears it could be a bad range sensor. That's the one on top the linkage goes through. it moves a checkball that controls fluid flow to certain parts so you only have however many forward gears you want. It almost sounds like the transaxle is fried. It may also be as simple as the fluid level is too low, which is a possibility as these cars don't have a dipstick. You have to check it by taking that bolt out in the passenger side extension housing with the car running and see if fluid runs out. Really need a transmission expert on this one. I'm just thinking of ideas. Hard to diagnose without actually having the car in front of me. Good luck.
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08-12-2017, 10:01 AM
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#3
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GL Member
Join Date: Dec 2013
Location: Minnesota
Posts: 593
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Oldsman:
I found this answer online on another guys post from a GM Master Tech.
If it only has reverse, and it wont even try to engage into any drive gears, Then Yes the issue is internal (bad forward clutch pack,or broken shift valve in the valve body,Or one way clutch sprag) The Transmission will have to be removed and dissembled for inspection.
Not good news for sure. Hopefully you know a good rebuild shop.
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08-15-2017, 12:26 PM
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#4
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,529
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How many miles are on this transmission?
Did you check the transmission fluid level?
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08-29-2017, 05:42 AM
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#5
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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The solenoid pack is so far inside the transmission, you may as well just rebuild the entire transmission.
4T45e's are pretty cheap to buy used. I picked up mine out of a 2003 Grand Am GT for $265. Since I have the HPTuners, I was able to reprogram for the 3.29 FDR, since all the Alero V6's came with 3.05 FDR's
Don't know if you want CJ to have that or not. It really doesn't make that much of a difference though
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2000 Olds Alero 3400 SFI 14.53 @ 94.93
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12-28-2021, 10:25 PM
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#6
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,529
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Common problem, and it's tubes that come apart:
https://youtu.be/53_F2j1G_GU |
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01-09-2022, 10:22 PM
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#7
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Owner
Join Date: Nov 2003
Location: Joliet, IL
Posts: 19,932
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Thread Jesus is Back
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72 442 "THE BEAST", 99 Alero - OSV Replica w/ original OSV parts, HURST Dual/Gate Shifter
Beware of the BackStabber
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01-24-2022, 08:48 PM
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#8
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,529
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Quote:
Originally Posted by Oldsman
Thread Jesus is Back
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You say that like it's a bad thing. I'd post here more often, but for some reason this site is always blocked at work. And I'm referring to more than one place too. |
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01-12-2022, 11:47 PM
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#9
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GLS member
Join Date: Nov 2009
Location: Tacoma, Washington
Posts: 1,911
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