Longranger1 wrote:Have you ever cleaned your intercooler out? Not part of the cooling system, but if it is full of oil (not using a catch can) then the charge air temperature will go up fairly dramatically. This could possibly stress your cooling system, especially if you are towing or carrying heavy loads.
I wouldn't have thought it would affect cooling that much but if you have gone through the whole cooling system and it checks out ok then it might be worth a shot.
Just wondering if it's possible as the overheating only seems to happen when I'm towing.
ML-VR08 wrote:OK i know mine isnt a MN but i was towing a boat loaded around 2.6t and my truck was around the 2.65t full fuel then add on 4 blokes around 375kgs (so near 3t). I was thinking to GCM was around the 5.6t. Was towing with O/D OFF sitting on around 2500rpm and the temp guage got upto the last white line before the red. This only happened on the long hills pyro was sitting on 380degrees, with boost spiking to 24psi - does this seem normal temp for the loads/weight we were carrying/towing? I was pretty happy with the truck, used 90L for 530kms!!! very good economy... thats running FLD 2 custom tune 2 (chipit chip) and boost mod!!!
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