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11-16-2005, 04:36 PM
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#1 | |
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AF Newbie
 Join Date: Jul 2005
Location: St. Louis, Missouri
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Please help me fix my '98 Lumina 3.1 Need help!!
The car bucks going 50+mph...sometimes making a 'groaning noise'. I assumed it was the tranny slipping trying to get in OD, but when I run the car in 3rd theres no difference. So I thought maybe its not the tranny. A few weeks later I got a code saying catalyst inefficency. So I replaced the catalytic converter last night..No fix.
So now I bought a tranny filter/kit and will drain the fluid to look for damage and add some lucas detergant. Any idea what woudl cause the tranny to make nosie and buck like that?? It doesnt sound like the TCC since it still does it in 3rd gear. Could it be a bad valve body? What are some things I can look for with the tranny pan removed? Is the valve body pretty easy to change? Any suggestions!??? Gotta get this one fixed fast! Last edited by JunkyardLife; 11-16-2005 at 06:56 PM. |
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11-16-2005, 05:50 PM
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#2 | |
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Lactose the Intolerant
 
Join Date: Aug 2004
Location: Nowhere, Missouri
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Re: Please help me fix my '98 Lumina 3.1 Need help!!
If it goes away in third, it may be the TCC.
__________________
You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made... ...empty gun rack. |
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11-16-2005, 06:55 PM
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#3 | |
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AF Newbie
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Re: Please help me fix my '98 Lumina 3.1 Need help!!
Whoops..that was a typo..Im not sure how I typed it like that. Ill fix it..
I drive the car in 3rd gear with absolutely no difference. Same bucking/jerking at same speed. Just drained the tranny..Clean as a whistle..No metal flakes or burning.. |
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11-16-2005, 08:38 PM
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#4 | |
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Lactose the Intolerant
Join Date: Aug 2004
Location: Nowhere, Missouri
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Re: Please help me fix my '98 Lumina 3.1 Need help!!
fuel filter good?
__________________
You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made... ...empty gun rack. |
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11-16-2005, 11:08 PM
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#5 | |
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AF Newbie
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Re: Please help me fix my '98 Lumina 3.1 Need help!!
I shoudl definitely change the fuel filter. In fact I bought one months ago and just never put it on.
Drained the fluid..Everythign looks fine in the tranny. In fact, Im sure someone just flushed it. Maybe they cleaned outall the metal..Who knows. Put the Lucas stuff in..Takes forever to pour in..Its like glue..No wonder it works so well. Ill take it out tomorrow afternoon and see what happens. I got a good feeling this will help minimize the problem alot. |
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11-17-2005, 05:10 PM
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#6 | |
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AF Newbie
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Re: Please help me fix my '98 Lumina 3.1 Need help!!
Felt better today on a short trip..Ill have to take it out a little further and well see!
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11-19-2005, 08:54 PM
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#7 | |
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AF Newbie
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Driven it a bunch..No real improvement. Maybe a tad..
Any ideas on how/if a tranny can slip like that at high speeds? What are some other possible causes? Ill probaly be taking it a shop on Monday for a diagnosis. |
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11-19-2005, 09:38 PM
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#8 | |
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Lactose the Intolerant
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Re: Please help me fix my '98 Lumina 3.1 Need help!!
Since it happens at the same speed regardless of gear, it may be the VSS glitching, confusing the ECM...
__________________
You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made... ...empty gun rack. |
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11-20-2005, 09:23 AM
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#9 | |
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AF Newbie
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Re: Please help me fix my '98 Lumina 3.1 Need help!!
Hmm..Is there any 'backyard' way to diagnose the VSS, or do you just swap it out?
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