Do I have to change the tensioners when I have the cambelt change?

[hkka]

Same as title

 

[speedynz]

Yes.

 

[hkka]

What happen if I don't.

 

[TomTom]

You'll put it all back together and chances are it'll start to rattle sooner or later (like a bearing they are - if that makes sense) best to change them when the belts off.