Review on Bar's Leaks HG-1-4PK: Head Seal Blown Head Gasket Repair 🔧 - 33.8 oz (4 Pack) - Ultimate Fix for Head Gasket Issues! by Will Schimmel

Since my old Voyager has overheating issues and a leaking head gasket, I used this stuff as intended. I got the exact opposite effect as advertised for this product. My overheating problem was annoyed. I went to the shop to check and replace the antifreeze. Many metal-like fragments were found in the hoses/cabin heater filters. They flared up and pulled out as many blocking shards as they could. The problem with the heating of the car is now solved. But the product of this bar did not help at all to solve the problems with my car. The mechanic said if the antifreeze is brown it probably indicates an oil leak in the coolant and maybe this product could help. But it would still clog my cabin heater. So be careful what application you use this product for.