antifreeze additive?
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Senior User
Joined: Aug 2005
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From: southeast mi
antifreeze additive?
friend of mine ( really) just changed out his antifreeze in his 2005 5.4....and now it acts like it has a bad head gasket..
did I see someplace that there is supposed to be an additive ( bars leak from dealer is the only thing i can really call it) poured in with the new fluid?? i thought that something had to be done because of the aluminium heads...
i remember having to buy an additive from cadilac when changing out the antifreeze a number of years ago because of the alum. heads..
thanks
did I see someplace that there is supposed to be an additive ( bars leak from dealer is the only thing i can really call it) poured in with the new fluid?? i thought that something had to be done because of the aluminium heads...
i remember having to buy an additive from cadilac when changing out the antifreeze a number of years ago because of the alum. heads..
thanks
Thread Starter
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Senior User
Joined: Aug 2005
Posts: 165
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From: southeast mi
friend of mine is going to the dealer today to see what "henry ford" can tell him about it...
if you want the part number i'll go out and get the owners manual...
Senior User
Joined: Aug 2009
Posts: 434
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From: Ontario, Canada
Yes, you've got to use a particular type of antifreeze for aluminum heads. I don't 100% remember what the difference is (probably something to do with how it chemically reacts with the metal), but if you look at a lot of off the shelf stuff at your local parts store, it will say somewhere on the container if it’s approved for aluminum or not. The alternative is the additive.
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