hay whats up I have a 1991 LSC mark vll special editon it shifts hard whe jus crusen shifts real good when i get on it and idels rough when hot what can i do ?

Asked by Jul 17, 2014 at 02:16 PM about the 1991 Lincoln Mark VII LSC

Question type: Maintenance & Repair

shifts hard when putting shifts good when i get on it  and runs rough when hot an ideling

1 Answer

185

Hard shifts can be a few different issues or may be no issue at all if the previous owner installed a high stall kit specifically to increase the firmness of the transmissions shifts. Take it to a transmission shop for adjustments. idling rough when hot means over heating. Completely remove and replace the coolant. If the inside of the radiator is coated with fluoride, replace it. If the fan clutch and coolant thermostat are over ten years old, replace them.

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