Put it up on a lift and look up in front of the A/C condensor & between the radiator & condensor.....you may find it all full off feathers, leaves, grocery bags, sand, etc. A bottle brush taped on a dowl and a long reach air fitting and you can clean it out. Also, the higher the percentage of antifreeze to water, the lower the ability to transfer heat. 100% water is the best, but then there is no corrosion protection. If not running in the northern climates where freezing is a threat 70% water, 30% dex cool & a bottle of water wetter will give the best results.
