2009 trooper 1100 overheating

[Anthony Butler]

So my trooper overheated and blew a hose last night . Took all the lines off today and checked for blockages and couldent find any .

 

Few days ago I refilled the coolant and I think I may have put too much in. It also seems like it wasent pumping anything to the overflow bottle as it was still full with older coolant (was a different color) . Does anyone know the psi rating for the cap so I can replace that aswell ? 

[Dan B]

You can't put in too much coolant.  Ideally, there should not be any airspace in the system - should be full as possible.  Me thinks you need to "burp" the system to get ALL the air out.  Raise the front of your Trooper as high as you can (within reason).  Start the engine and let in pump all the air into the radiator.  Refill as necessary until all the air is gone and you can't put in more coolant.

[Anthony Butler]

I didn't think I could put in too much either that's why I just hammered down with it . Put the new hose on and refilled today and seems to be working fine again. 

[Dan B]

To add a comment on radiator caps.  They are usually 15 psi.  That raises the boiling point of coolant 45F deg to about 257F at sea level.