Grinding into gears!! - Pontiac GTO Forum
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post #1 of 7 (permalink) Old 03-27-2010, 06:21 PM Thread Starter
 
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Grinding into gears!!

2004 gto 6spd standard. I cannot go into first gear at all if im rolling. i have to be completely stopped and it still grinds putting it into first. Also i can be downshifting and sometimes it will do it with second gear aswell. my first thought was synchonizer, then my shifter cuz its the factory ****ty gto shifter and it pulls outta socket if i shift too hard, and ive been told its cheaper to just replace the tranny with a used one rather than deal with this at all. help me out someone. thanks
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post #2 of 7 (permalink) Old 03-27-2010, 10:57 PM Thread Starter
 
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ps... It doesnt grind at all getting on it from 1st to 6th. just down shifting
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post #3 of 7 (permalink) Old 03-28-2010, 06:07 PM
 
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When was the last time you changed your trans fluid?

2003 Corvette Z06 - MGW shifter, Corsa X pipe, Corsa Xtreme exhaust, Texas Speed long tubes w/o cats, PowerStop rotors/pads, Conti DWS tires, C6Z51 F&R sways, C5R headlights, tuned

04 GTO - sold
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post #4 of 7 (permalink) Old 03-28-2010, 10:58 PM Thread Starter
 
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Got the car w'out engine. just built the car up and changed it then. The car only had 47k miles on it but its a possibility its not even tha stock one. it was twin turbo'd on a 408 stroker when he blew it...
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post #5 of 7 (permalink) Old 03-30-2010, 10:45 PM
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Do a fluid swap first off.
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post #6 of 7 (permalink) Old 03-31-2010, 01:00 AM
 
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Quote:
Originally Posted by KennedyKustoms View Post
Got the car w'out engine. just built the car up and changed it then. The car only had 47k miles on it but its a possibility its not even tha stock one. it was twin turbo'd on a 408 stroker when he blew it...
47k behind a TT 408 Stroker would be about the same
abuse as a million miles behind a stock GTO.

Larry

2005 GTO Quick - 1984 Honda V65 Magna Quicker - 2004 Z06 Quickest
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post #7 of 7 (permalink) Old 11-05-2010, 11:19 AM
 
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Quote:
Originally Posted by KennedyKustoms View Post
2004 gto 6spd standard. I cannot go into first gear at all if im rolling. i have to be completely stopped and it still grinds putting it into first. Also i can be downshifting and sometimes it will do it with second gear aswell. my first thought was synchonizer, then my shifter cuz its the factory ****ty gto shifter and it pulls outta socket if i shift too hard, and ive been told its cheaper to just replace the tranny with a used one rather than deal with this at all. help me out someone. thanks
Mine is doing the samething. I replaced the fluid in the trans and flushed the clutch fluid and replaced with fresh fluid and still the samething. Right now, Im looking at a $1400 rebuild.

2004 Pontiac GTO Impulse Blue M6
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