heater making noise

[nitromonkey]

my heater makes a funny rattle sounds after it runs a while any ideas

[wavery]

my heater makes a funny rattle sounds after it runs a while any ideas

Mine does that sometimes. On mine, it's just the cover vibrating. I just remove the cover and put it back on again. That usually takes care of it.

[tlhdoc]

my heater makes a funny rattle sounds after it runs a while any ideas

Do you  mean a built in furnace or some other type of heater?  What year and model is your camper?