Originally Posted by
johnjmurray
Welcome to the club.
Unless you have verifiable maintenance history, assume no maintenance was performed. Change the engine air filter and cabin filter. Change all fluids, including brake fluid. Replace all the replaceable cooling components such as the hoses, expansion tank, thermostat, and possibly the radiator itself. Replace the valve cover gasket (with grommets) and the spark plugs. If it's an auto trans, flush and re-filter it. Drain and refill the differential oil. Replace the fuel filter under the car. Check the hoses coming from the secondary air pump. Replace both sections of the intake boot. Check the DISA valve action. Clean the idle control valve and throttle body (without moving the butterfly). Be prepared to replace the oil separator system (CCV kit); if you live north of the Mason-Dixon, get a cold-weather version.
You want to get to a good starting point. If you know the maintenance history, you can prune the above list as needed.
Johnny
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