What now!

[Toastruck]

My Truck wouldn't heat up so I change the thermostats (using Startlet) the old ones had rubber missing. So I flushed the whole system put everything back together and the truck still won't heat up. I unplugged the fan and put cardboard in front of the rad, went for a drive and still no heat.

 

[DaveBen]

Your water temp gauge? Is the radiator hot?

Dave

 

[Toastruck]

The dash and my Livewire both say 130' There isn't much heat coming out either

 

[Toastruck]

I'm using a Stant thermostat

 

[DaveBen]

Is the radiator tank getting hot?

Dave

 

[Toastruck]

No

 

[DaveBen]

Your water pump is shot. Change it or get it towed to a shop that can. I would NOT recommend driving your truck, you can do great heat damage to the engine.

Dave

 

[Dogman]

I thinking your water pump impellers have rotted away or you have a coolant hose getting suck flat. This happens with hoses that over time get weak and they get sucked flat from the water pump. Check your lower and upper hose are they real soft? Start the truck up and see if you see one getting suck flat.

 

[Dogman]

It just hit me, What A/C controls do you have for truck? Can you post a photo. I think I know what the problem is but I need to see your A/c setup. If it what same system I had in my 08 it not a cooling system problem but a blend door problem in the cab.