Mechanics

COOLANT

2003 Ford Taurus • 3.0L 6 cylinder FWD Automatic • 127,000 miles

Temperature gauge reads low to normal, insufficient heat in cabin, at stops can see steam and smell anti freeze.
The only evidence of leakage is fluid being pushed out of reservoir past cap. All hoses appear to be ok.
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Dleece
January 7, 2014.



Fill the system and pressure check for leaks while warm/hot better. You may have some aluminum piece that is clamped by a hose and still leaking due to corrosion. Or it may be a head gasket problem as well. But a pressure check would show that

Hmac300
Jan 7, 2014.
Coolant is definitely being pushed past the coolant reservoir cap. No leaks seen at any of the hose connections.

Tiny
Dleece
Jan 7, 2014.
Either your cap is bad on coolant tank or the head gasket is leaking and putting compression into your coolant system making it do that. That is why you need to get it pressure checked. Your heat doesn't work because the coolant is low.

Hmac300
Jan 7, 2014.