Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

Will changing my fluid help ?

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Old 11-08-2005, 01:16 AM
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Default Will changing my fluid help ?

Will changing my tranny fluid help make my m6 easier to shift it just feel's kinda stiff and i can feel it go into gear. My friends 99 z28 and a bunch of other friends ls1's they shift like butter.

Also going into reverse is a PITA.
On my service manual it says that the tranny fluid was changed before but i just wonder if they put the wrong fluid in,
Any advice ?

Last edited by minesfaster; 11-08-2005 at 01:16 AM. Reason: .
Old 11-08-2005, 01:40 AM
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If it's been cold where you live lately, the gears may be stiff when cold, take it easy and don't try to shift too fast or hard while the trans warms up. Changing the fluid helps a little with cold-start stiffness, but not much. I'd only expect changing the fluid to help the shifting a lot if the current fluid happends to be really old or the wrong type.
Old 11-08-2005, 01:48 AM
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it really couldnt hurt.......
Old 11-08-2005, 02:03 AM
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Well it does it even when it is warm and cold either onr doesnt matter .
Also you know how when a car isnt running the shifter is smooth through the gears well mine feels stiff same exactly how it is when driving it. weird.
any ideas
Old 11-08-2005, 03:59 AM
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Reverse will always be a PITA by the way
Old 11-08-2005, 09:15 AM
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It might be the hydraulics if it's always hesitant going into gear. Does the pedal feel mushy? When going to reverse, with the clutch disengaged, I always go to 4th real quick and then to reverse. It engages easy every time.
Old 11-08-2005, 10:37 AM
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Is your clutch disengaging completely? Like MrEddie said it might be aa hydraulic problem
Old 11-08-2005, 12:19 PM
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I do agree w/ the hyrdaulic theory, but next time that you change you fluid, put 30 weight oil in it. Make sure it has no detergents in the oil. I have fun 30w in my tranny since I have had it and it kills most of the sounds and help shifting out tremendouly
Old 11-08-2005, 01:31 PM
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check the hydro's. thanks what it sounds like to me. clutch not full disengaugeing
Old 11-08-2005, 03:03 PM
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Also you know how when a car isnt running the shifter is smooth through the gears well mine feels stiff same exactly how it is when driving it.
doesnt that mean that it has nothing to do with hydraulics..?
Old 11-08-2005, 05:15 PM
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Bent shift forks?
Old 11-09-2005, 02:52 AM
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Yeah the clutch is fully disengaged i went to a transmission shop and he told me that it is suppose to be smooth with the car off and when it is on, he also said that he had no idae what it could be.
Is it true that since it feels the same even when the car is off that it has nothing to do with hydrolics ?
Somone told me that when you're driving the car if you put your foot on the clutch pedal and barely push it in if you feel it kinda grinding then that means somthings wrong with it ?

Anyone have any idea on what it would be, id just like for it to go into gear smoothly.



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