... progressively less effective. Alwaysuse an ethylene glycol-based antifreeze whichis suitable for use in mixed-metal coolingsystems.20 If the antifreeze used is to Ford’sspecification, the levels of protection ... recommendedstandard mixture ratio for this antifreeze, 40%(by volume) of antifreeze must be mixed with60% of clean, soft water; if you are using anyother type of antifreeze, follow itsmanufacturer’s ... time of printing. Test standardsare becoming increasingly stringent, although there are someexemptions for older vehicles. For full details obtain a copy of the Haynespublication Pass the...
... less effective.29 Always use an ethylene-glycol basedantifreeze which is suitable for use in mixed-metal cooling systems. The quantity ofantifreeze and levels of protection areindicated in...