Truck getting hot

[k3k0a808]

when i bought my truck the temp would stay between the "n" and the "o" but recently it has started to go up to about the "M" even once going to the "L" the person who had the truck before me changed the waterpump and radiatior.. since then ive changed the clutch fan, thermostat, all the hoses, flushed out the system and it still happens.. the truck usually heats up when im on a incline or right after i stop... i just wanted to know if thats normal and im trying to fix something thats not broken?

 

[sholzy]

Burp your cooling system. You might have air trapped.

 

[k3k0a808]

ive done that... i dont know if im doing it right but i park on a incline and let the truck run till well past the thermostat opens and add when the coolant is low

 

[Big Jim M]

Almost right

ive done that... i dont know if im doing it right but i park on a incline and let the truck run till well past the thermostat opens and add when the coolant is low

You done good...cept you didn't post that the HEATER was turned to high.. If it ain'e on then it prolly has a bubble in it.
Big JIm

 

[k3k0a808]

lol... sorry and yes my heater was turned on high... though it didnt get hot... i had it at floor/pnl and hot but i did get in today and my passenger floor carpet was damp... i flushed my system out with water so i wouldnt know if that was from the heater core or something else?