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Will replacing the long life antifreeze with regular antifreeze in 1998 Oldsmobile intrigue ruin the engine?
Wiki User
∙ 14y ago
No it will not ruin the engine but when making a switch you need to be careful. If you decide to make the change you must get the coolant system flushed because a lot of times two different coolants getting mixed will react with each other and it could ruin your entire system or even your engine. Also ALWAYS use a coolant with Dex-cool because all GM vehicles made since 1996 require it. From what I understand not using Dex-cool will cause rust in the coolant system and the engine block.
Wiki User
∙ 14y ago
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What type of antifreeze would a 1985 Oldsmobile Cutlass Supreme require?
You Don`t Need The Special Ones On This Car. Just Use The Green Color Regular One.
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Regular ethylene glycol antifreeze............
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