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Cant shift gears while car is running.

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Old 08-21-2014, 03:59 PM   #1
d-top90
 
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Default Cant shift gears while car is running.

I have a 2008 mustang GT. Car has a 5 speed manual transmission. I was going down the road yesterday and tried shifting gears and it would not go into any gears while the car is running. When I shut it off I can put it in gear start it up. It doesn't lunge forward or anything when I do this. I have put the car on a hill and shut it off and put it in first and depressed the clutch and it does not roll back. Any suggestions on what is going on?
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Old 08-21-2014, 06:36 PM   #2
AzPete
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Sounds like the clutch is bad or out of adjustment. May need a fluid change and bled.
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Old 08-21-2014, 07:40 PM   #3
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Quote:
Originally Posted by AzPete View Post
Sounds like the clutch is bad or out of adjustment. May need a fluid change and bled.
But with it being a hydraulic clutch system. It is self adjusting. And the fluid run directly into the brake system. Right..
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Old 08-21-2014, 08:24 PM   #4
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The fluid could need changing and bled. The fluid gets old and depending on the miles, can be very dirty. New fluid and bleeding would do the same as adjusting.... A lot of times, one can shift gears without the engine running AND without touching the clutch pedal so that is not really a test for a good clutch.
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Panama City, Fl.
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2008 GT Vert, stock
2000 Lightning, s/c, tuned, Basanni, built tranny
Previous Mustangs:4 - '66 Coupes(silver/blue/grey/red) '87 GT HO, '00/'02/'07 GT Vert(red)(grey)(black), '68 Coupe, '11 GT/CS
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Old 08-22-2014, 01:50 AM   #5
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Your clutch is toast.
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Old 08-30-2014, 07:44 AM   #6
jz78817
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your clutch is not disengaging. possible the clutch master cylinder or slave cylinder is leaking.
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