Quote:
Originally Posted by 03Alerosil
Going to flush out the heater core too.
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If the heater core hoses connecting to the engine side metal coolant tubes still have the plastic quick connects present then you might want to remove those while you're in there because they're prone to get brittle from heat over time and eventually leak..ask me how I know.
They are used for ease of assembly during vehicle manufacturing and are otherwise not required. I replaced the heater core rubber hoses with new ones from NAPA and they were plenty long enough to reach with the plastic quick connects removed. Something else you might also want to think about @ 160K is replacing all of the rubber cooling system hoses if they are known originals.