Checked the coolant yesterday and its brownish....time for changing, obviously.
I dont know the full history of the car, so was planning on doing a full system flush.
From what I have found online, the slat 6 has a drain plug on the block, but it seems like many folks have major issues getting that loose.....I dont know if the one on this car has moved in 36 years.....
SO....I was planning to drain the radiator, maybe install one of those t fitting kits from Prestone to do a thorough...
Flushing a \6
