The Snorkel The snorkel lets you breathe with your face in the water. A snorkel should fit comfortably in your mouth with the tip at the crown of your head. The vast majority of snorkels will do this easily with minor adjustments, so your primary selection considerations are mouthpiece comfort and features.
Transmission flush - 20,000 miles; Transmission Filter - 50,000 miles; Radiator flush. - 30,000 miles; Air filter. - As needed. Oil change. - 3 months or 3,000 miles - usually right away with new vehicle. Emissions clean. - 25,000 miles; Brake inspection. Right away with new vehicle. Serpentine belt - 50,000 miles inspect often.
As the corrosion inhibitors deteriorate and the pH of the coolant drops to 7 or below, the result is electrolysis and plating. For this reason most mechanics and recommend a flush & fill at 24 months/30,000 miles. Unfortunately, few car owners flush and fill and radiators and water pump seals become compromised.