Possible torque converter lockup failing? - Ford Mustang Forum
 
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post #1 of 3 (permalink) Old 08-04-2012 Thread Starter
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Possible torque converter lockup failing?

Hi guys. 06 GT auto here. Today I was driving uphill and as the trans went into what I believe was fifth gear/overdrive, it repeatedly hesitated and I think clunked as it tried to accelerate. It was kind of like when the traction control kicks in and limits the gas, except the car shuddered a little bit each time. It almost felt as if the trans gears were getting "stuck" and just attempting over and over until it downshifted to 4th.

I thought maybe it was slipping due to low fluid or something. I haven't had a moment to check the ATF fluid level but someone on another forum suggested that the torque converter lockup solenoid may be going bad, or engaging erratically. Does this sound accurate?

The car seemed to drive fine in gears 1-4. This seemed to only happen in fifth. Unfortunately I forgot to check what the tachometer was doing because I was sort of panicking, as nothing has gone wrong on my car for 82000 miles at this point.

Any advice is appreciated, thanks.

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post #2 of 3 (permalink) Old 08-05-2012
ski
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Always a good idea to check the fluid level when an auto tranny seems dodgy. However, a low level would probably cause problems in all gears.
A failing lock up solenoid appears to be a good guess for the cause of your tranny's problem. Suggest getting it tested to make sure. In the meantime disable OD to prevent possible damage.

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post #3 of 3 (permalink) Old 08-05-2012 Thread Starter
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Will do, thanks a bunch.

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