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#1 |
Registered User
Join Date: Feb 2007
Location: Lexington Park, MD
Posts: 47
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Help! th350 wont shift from 1st to 2nd
Im trying to sell my truck so I can get something that suits what i need. I know waah but the truck is acting up whenever someone wants to test drive it. The last guy who was looking at it is interested in purchasing it if i get the tranny fixed. The thing is, I dunno whats going on. I replaced the fluid, changed the filter, replaced the mod, the vacuum line, and the fluid is at perfect level and is red.
I think that i let the truck sit too long, because of the weather, and the fluid isnt circulating. Anyone have an idea or solution? All input is welcome.
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1972 Chevy Truck 350ci/th350 Auto. Daily Driver ![]() |
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#2 |
Registered User
Join Date: Dec 2007
Location: Southern CA
Posts: 210
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Re: Help! th350 wont shift from 1st to 2nd
-Check your kickdown linkage
-Check the shifter linkage to make sure it is operating smoothly and properly -Drive it around a bit before the next buyer stops by to loosen up the bands. Is it slipping or just not shifting? Slipping = bad Not Shifting = fixable |
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#3 |
Registered User
Join Date: Feb 2005
Location: Carl Junction, Missouri
Posts: 2,061
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Re: Help! th350 wont shift from 1st to 2nd
whenever mine doesnt shift or has a delayed shift time i know my vacuum line is kinked, cut, or damaged. 5 out of 5 times it's been my suspect.
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#4 |
Registered User
Join Date: Feb 2007
Location: Lexington Park, MD
Posts: 47
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Re: Help! th350 wont shift from 1st to 2nd
Thanks for replying. The trans. is not slipping, its just not shifting to second on its own.
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1972 Chevy Truck 350ci/th350 Auto. Daily Driver ![]() |
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#5 |
Registered User
Join Date: Sep 2005
Location: Villa Rica Ga
Posts: 889
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Re: Help! th350 wont shift from 1st to 2nd
this is the only problems ive ever had from any tranny(lucky me) its allways the vacume like. always. check it out.
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#6 |
1969 Short, Fleet, and Beat
Join Date: Apr 2007
Location: Long Beach, Ca.
Posts: 867
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Re: Help! th350 wont shift from 1st to 2nd
If, it is not in the linkage. Then, you have internal problems. Happened to a 70 Nova I had years ago. Installed a rebuilt trans and had that same problem. Lucky trans came with a warrenty.
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#7 |
Registered User
Join Date: Feb 2007
Location: Lexington Park, MD
Posts: 47
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Re: Help! th350 wont shift from 1st to 2nd
Thats what im afraid of. If it is internal, I might as well not sell it. I cant wait til i build my next one.
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1972 Chevy Truck 350ci/th350 Auto. Daily Driver ![]() |
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#8 |
Junior Member
Join Date: Oct 2005
Location: cleveland, tn.
Posts: 71
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Re: Help! th350 wont shift from 1st to 2nd
Check the govenor, it probably has the teeth stripped off. It will be at the back of the trans with a round cover and a clip over it. If it's bad the trans will not shift out of low gear
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#9 |
Still Just Havin Some Fun!
![]() Join Date: Jun 2007
Location: Piedmont, Oklahoma
Posts: 1,145
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Re: Help! th350 wont shift from 1st to 2nd
also check the modulator, thats what the vac hose goes 2.
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a green one with some stuff done to it.... |
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#10 | |
Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,814
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Re: Help! th350 wont shift from 1st to 2nd
Quote:
![]() Last edited by Billla; 01-14-2008 at 02:45 PM. |
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