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Cooling systems are not new, neither are coolant reservoirs, or recovery tanks, or whatever they are calling them now. Liked them much better when radiators were made out of brass, brass could be repaired and cleaned with acid, plastic and aluminum are strictly throwaway items and have to be replaced. So who is saving money with this crap, certainly not he consumers, but the OEM's are, and why isn't this reflected on the sticker price?

Coolant lines were standard size neoprene hoses that you could buy by the foot, could use conventional screw clamps, but this all changed when they went to plastic, had to use spring clamps. Now all specialized parts.

How about this with a vehicle slightly over fives years old, speaking from experience, need a specialized part and your dealer says no longer available. And by law, only required to supply these parts five years after the date of manufacture. So you either end up pitching this POS or chasing all over the country trying to find that part.

Never use to be this way, but is now, unless you know how to make your own parts. 75 bucks to replace a defective PCV? Use to be less than a couple of bucks when conventional hoses were used, just another example.
 

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Kids today would have to go to a museum to see what a radiator cap looks like. With one, and just a zero pressure plastic reservoir tank, even had to replace those in a vehicle around 8-10 years old. Plastic gets brittle and with road vibrations will crack.

Now hitting these things with 221*F coolant temperatures and 25 psi of pressure, can only expect problems. O'rings are not just O'rings, kinds used in plumbing can't take the temperatures, also different materials used in AC systems.

From history, best O'ring is no O'ring, always have been a problem. Just more problems for the consumer to ease production assembly times.
 
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