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 cost of replacing an airbag outright can be several hundred dollars, although it once again depends partially upon the exact make and model of the car that you're working with. Expect to pay on the order of $1000 to $1500 per airbag to be replaced. Number 3 -- Airbag Resetting. If you've been in an accident, and the airbags themselves have become deployed, you'll have to set them back up in order to be able to drive again.
Replacing refrigerant costs less than $100, but is often included in your maintenance fee. If thereâs a leak that needs repair, the cost can be $300-$1000. Seal between air conditioner and window frame: a gap here can cause warm air to get into your home and cool air to escape.