TimFX4

02 5.4,,the manual says either Yellow or Green. Whats actually in it, is dark maybe brown tint.
I baught it used with 123k, called ford and asked what type. They couldnt tell me. Just said that I needed to put the exact same in it.
Well, it needs a change. And im scared of captavation.
Can I flush and replace with 50/50 all makes/models?
Any help would be great.

e.mcconkey

its either 50/50 green or its GO5.....if i remember correctly that was sort of a transit year but someone else can probably tell you better. are you looking just thru the just or have you tested with a hydrometer to see the color?

chocolateskwlbuss

'04 + require Yellow/ Gold antifreeze....'97-'03= green

serranot

Yes. Plus, it's 10 years old. You could put Diet Coke in it now and it wouldn't matter.

SharpeF150

Green for sure, don't do 50/50, never understood why anybody would buy 50/50, just lazy people I guess.

TimFX4

I havent really checked. The fluid level is still good. Im just looking into the resivor. And its nasty. Plus ive got 129k on the odomitor, and I believe it should hav been changed by now. I thought about draining it completly, watching it for color reference.

TimFX4

Thank all of you, for the help.
I ask because im the type of guy that likes to have my new part/fluids, on the bench ready before I tear into it. And this is my next to-do.
Last week I changed the plugs, after 2days of google serching ford plug issues. Yea, you can say I was nervous.
Thanks again.

65fordguy

im glad you brought this up... I was uncertain too... I did some looking and called the ford dealer.. They told me the best thing would be to drain, flush, and put G05 in my 99 4.6 f150 .. I just bought it as well, and it has 122k .. I haven't actually had time to do it yet.. so, if any of you think I should not use G05 let me know.. the NAPA guy was like eh. just put our NAPA mix with whatever stuff in and you'll be good. but, I want to do things right.. and so I opted for the 17 dollar G05 ZEREX, flush and a thermostat.