C6 shifting problems.

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C6 shifting problems.  Empty C6 shifting problems.

Post  10SHOTS on September 26th 2013, 9:15 pm

I bout a 70 Mach 1 with a c6 and it shifts hard from first to second at light throttle and feels like a slow slide in to second almost a slip the has a two three flare at any throttle , any ideas. This car had been sitting for eighteen years . Does the modulator valve
Have any affect
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C6 shifting problems.  Empty Re: C6 shifting problems.

Post  69F100 on September 26th 2013, 11:37 pm

10SHOTS wrote:I bout a 70 Mach 1 with a c6 and it shifts hard from first to second at light throttle and feels like a slow slide in to second almost a slip the has a two three flare at any throttle , any ideas.   This car had been sitting for eighteen years  . Does the modulator valve
Have any affect
Yes the modulator has a affect on shifting I would go ahead and change it and filter/fuild it wouldn't hurt to add some trans medic to it to help with the seals that may have gotten hard. If that don't help pull the trans and get it freshen up.
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