crash wrote:
THE WAY TO DO IT IS TO HOOK INTO THE HEATER HOSE THAT GOES TO THE THERMOSTAT THAT WAY WHEN FLUSHING THE INCOMING COLD WATER CLOSES THE STAT THIS IN TURN CAUSES A REVERSE FLOW OF THE WATER THIS WILL CLEAN IT OUT IT WOULD BE WISE TO USE A COOLING SYSTEM CLEANER AND DRIVE IT FOR 20-30 MILE THEN FLUSH IT
ALSO THE RUST COULD BE CAUSED FROM ELECTRALIS MAKE SURE ALL YOU ENGINE GROUNDS ARE GOOD AND IF THERE IS A GROUND ON THE COOLING SYSTEM ALSO IF YOU HAD A LEAK IN THE SYSTEM OXYGEN COULD HAVE GOTTEN IN THE SYSTEM CAUSING THE PROBLEM
ALSO BEING IN THE AUTO REPAIR FIELD FOR 35 YEARS ALL WE EVER USED IS TAP WATER ITS NOT THE CAUSE OF YOUR RUST THE CAUSE IS POOR MAINTENANCE TO THE COOLING STSTEM
FLUSH IT EVERY 30,000 MILES OR 2 YEARS
ALSO IF YOU ARE USING DEXCOOL QUIT ZEREX MAKES A NEW A/FREEZE CALLED GO5 BETTER AND DOESNT ATTACK THE GASKET LIKE DEXCOOL
REMEMBER A GOOD CLEANER AND DRIVE IT THEN FLUSH DEPENDS HOW DIRTY YOUR SYSTEM YOU MAY HAVE TO DO IT TWICE ALSO USE A WATER PUMP LUBRICANT AND RUST INHIBITOR GOOD LUCK