2003 Outback Limited EJ25, built for Canada in May of 2002. 165,000 miles.
I cleaned and flushed the cooling system in March 2016. Then drained the block, radiator, heater core, etc. and removed the freeze plugs, all hoses, thermostat, temperature sender, etc. to dry the system out. Now ready to install new hoses and Evans coolant plus dozens of other preventative maintenance items.
Was at the dealer last week and overheard someone say that it's hard on the head gaskets to let them dry out like that. Do not even think of putting it back together. Replace the head gaskets, guaranteed to have an issue with the head gaskets. I wish I had a chance to engage in the conversation.
The head gaskets were replace in April, 2011 around 110,000 miles. It appears they are the Subaru brand. All other parts are Subaru. Have not found any aftermarket parts, including filters on the Outback.
Is this a myth, a rumor, or a fact that I should continue deeper into the engine and replace the head gaskets?