This will be a three part question. I have a 2001 Ford Taurus SES that I've had for 14 years and suddenly the coolant reservoir is milky with rust in it what could it be, and why, what must I do to fix it?

mark kirby

Asked by Aug 22, 2015 at 06:11 AM about the 2001 Ford Taurus SES

Question type: Maintenance & Repair

2001 Ford Taurus SES w/S in the middle of the VIN
I have flushed the coolant reservoir, but the milky rust substance has returned. I need help before the semester starts, so I will have a reliable car to get to and fro classes. It will be a blessing if I get my car fixed before the 27th of this month. I also have a 2001 Taurus SEL for parts if it will help thanks community.

7 Answers


You need to flush to entire cooling system. Use Prestone Super Cooling System Flush.

1 out of 1 people think this is helpful.
Bob Beaman

Flush the system and have it pressure tested. Milky could be engine oil and it could have an issue with head gaskets. Does the engine oil look okay or is it milky looking also?

1 out of 1 people think this is helpful.

I'm with Bob on this one, milky coolant usually means oil, and on a Taurus that is a known head gasket blowing engine doesn't look good.

2 out of 2 people think this is helpful.

Especially if it's been overheated! HTH. - Jim

1 out of 1 people think this is helpful.
Mark Campana

Had same problem I power washed the coolantsystem and change overflow bottle car runs great it definitely got to get that stuff out of your system

Mark Campana

Mechanic put Dex cool cool in my system mixed with old green

Mark Campana

It's not head gaskets you would know

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