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08-17-2025, 09:00 PM
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#1 |
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Registered User
Join Date: Jan 2013
Location: 3,018 feet above the SoCal/Mojave Desert region.
Posts: 406
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Transmission stays in neutral.
Turbo 400, 350 engine
When I start the truck up and put the transmission into D and give it gas, its like the transmission is still in N or P. If I leave it in D, it'll eventually start moving after like 5 minutes or so. As I'm driving, the transmission seems to slip than grab the gear and the engine belt will chirp and feel a slight kick. And this will happen almost non stop. Transmission fluid is full. When I put the transmission in P than switch back to D, problem starts all over again. Any ideas? Thanks. |
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08-17-2025, 10:04 PM
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#2 |
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Registered User
Join Date: Jan 2001
Location: Orem, Utah
Posts: 8,266
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Re: Transmission stays in neutral.
It sounds like your transmission pump is failing.
__________________
I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson 1972 K/5 Blazer CST 4WD 1963 Corvair Monza Spyder Turbo convertible 1995 Camaro Z/28 |
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08-17-2025, 10:08 PM
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#3 |
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Moderator
 
Join Date: Jun 2017
Location: Greensburg. PA
Posts: 2,324
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Re: Transmission stays in neutral.
The filter has dropped out of the pump....drop pan and check,,,,should have a stepped bolt in VB trhu filter to hold it in location.
Also, check VB manual valve linkage is installed correctly. Has anyone worked on trans recently?
__________________
Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2025 Chevy Equinox 
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08-18-2025, 03:20 AM
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#4 | |
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Registered User
Join Date: Jan 2013
Location: 3,018 feet above the SoCal/Mojave Desert region.
Posts: 406
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Re: Transmission stays in neutral.
Quote:
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08-18-2025, 03:27 AM
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#5 | |
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Registered User
Join Date: Jan 2013
Location: 3,018 feet above the SoCal/Mojave Desert region.
Posts: 406
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Re: Transmission stays in neutral.
Quote:
No one had worked on the trans since I bought it about 3 years ago. Thanks again. |
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08-18-2025, 07:52 AM
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#6 |
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Senior Member
 
Join Date: Dec 1999
Location: TX
Posts: 1,787
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Re: Transmission stays in neutral.
VB = Valve Body
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08-18-2025, 09:00 AM
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#7 | |
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Registered User
Join Date: Feb 2016
Location: Portland Oregon
Posts: 12,412
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Re: Transmission stays in neutral.
Quote:
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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08-18-2025, 09:45 AM
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#8 | |||
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The Older Generation
  
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 26,743
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Re: Transmission stays in neutral.
Quote:
Quote:
Quote:
Also called a "Shoulder Bolt"'. .
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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08-23-2025, 01:58 PM
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#9 |
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Registered User
Join Date: Jan 2013
Location: 3,018 feet above the SoCal/Mojave Desert region.
Posts: 406
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Re: Transmission stays in neutral.
Thanks all for the replies. Looks like I'm going to have to drop the pan. Now I have no gear.
I'll check for that bolt, valve body, and filter. |
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