Some medicines, tricyclic antidepressants and antimalarials can also cause darkening of your gums. The nastiest is the effect of acute necrotising periodontitis (sometimes known as trench mouth) which is advanced gum disease and the black colour is the result of dead tissue.
The average cost for a heater blower motor replacement is between $289 to $413. Labor costs are estimated between $119 to $151 while parts are priced between $170 to $262.Get a personalized estimate based on your location and specific car.Estimate does not include taxes and fees.abor costs are estimated between $119 to $151 while parts are priced between $170 to $262. Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.
As a result, it makes sense to gain a better understanding of the parts that heat your home, and how much they cost to repair. Repairing or replacing your furnaceâs blower motor can cost you anywhere between $150 and $450, depending on the extent of the damage. Heat exchanger repair costs can vary greatly, from as little as $100 for a simple fix to as much as $1,200 for a full replacement.