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How do you get a 1987 Mercury Topaz automatic transmission to shift into high gear?


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Wiki User
2010-03-08 18:48:26
2010-03-08 18:48:26

My 85 Topaz auto is doing the same thing...in a 'phone diagnostic

discussion w/a transmission specialist, he suggested the most

likely culprit to be a governor either on or in the tranny, which

operates by hydraulic pressure to change gears at certain speeds

and RPMs. Apparently I'll have to have it repaired. However, I'm

going to change the fluid first, to see if that has any effect. As of

this date, 3-8-'10, the repair estimate is in the $300 ballpark.

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it depends on whether your car is automatic or manual shift.

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Check the fuses, if fuses are okay, it is probably the VSS (Vehicle Speed Sensor) or wiring to it at fault.

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You can't shift gears on an automatic transmission because, as it is called, it's automatic! You don't need to shift, it does it for you. == == Maybe the question should be "Why is my automatic transmission not shifting through gears for me as it should?" Could it be a fairly simlpe fix or am I losing my transmission? Yeah Dopey!


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