Valerie Elaine turner

Heater blower making a whining sound,whatever speed it is on. This happens after about twenty minutes

Hi I have been told to replace all four tyres ,replace in pairs,replace damaged tyre with the same tread , same depth, so purchased part worn tyre same make same tread depth. Don,t mind buying a new one if this is the best option.it is only slight but not the same as before. The tyre had a bolt through it unrepairable. Will anything be damaged Val

Do you have to replace front tyres in pairs,had to replace one front tyre. The other one has done about 5,000 miles.but it's seems to be pulling into the kerb