How often should A/C hoses be replaced?
I'm starting on my A/C project for the 1984 300DT. I just had the A/C evacuated, the repair shop told me the system was low. I discussed the age of the automobile and A/C hoses with a local mechanic. He feels that at this age, all of the A/C hoses and O rings should be replaced.
Of course this is going to take a LOT of blood, sweat and tears plus $$$$$$$$. Can I get by leaving the old hoses in place? Or would leaving the old A/C hoses in place be an invitation for future A/C system leaks?
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