![6.7 coolant line in a vacuum. Silver coolant line off top of radiator collapses under a vacuum but will release when coolant reservoir cap is removed. Runs fine just collapses the hose : 6.7 coolant line in a vacuum. Silver coolant line off top of radiator collapses under a vacuum but will release when coolant reservoir cap is removed. Runs fine just collapses the hose :](https://i.redd.it/f6l95jounuoa1.jpg)
6.7 coolant line in a vacuum. Silver coolant line off top of radiator collapses under a vacuum but will release when coolant reservoir cap is removed. Runs fine just collapses the hose :
![Upper radiator hose collapses when cooling down - Turbo Powertrains (2.0GT, 2.5GT, 2.5XT) - LegacyGT.com Upper radiator hose collapses when cooling down - Turbo Powertrains (2.0GT, 2.5GT, 2.5XT) - LegacyGT.com](https://uploads.tapatalk-cdn.com/20180527/2db0287db90c36fd804e709b3fc948f5.jpg)
Upper radiator hose collapses when cooling down - Turbo Powertrains (2.0GT, 2.5GT, 2.5XT) - LegacyGT.com
![Radiator hose collapsed — Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To Radiator hose collapsed — Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To](https://ricksfreeautorepairadvice.com/wp-content/uploads/2019/09/radiator-hose-collapsed.jpg)