Many of us North American 9-5 drivers are deliberately removing the by-pass valve which was standard equipment on all 9-5s here, and installing just the plain hose kits - made by MacKay in Australia!
The by-pass valves are a maintenance problem on the 9-5 and are prone to sudden failure resulting in coolant loss.
Removing it entirely is an option.
The by-pass valves are a maintenance problem on the 9-5 and are prone to sudden failure resulting in coolant loss.
Removing it entirely is an option.
