I have a 2005 dodge grand caravan and the heat has not been working for a couple weeks now, and now it is leaking a pink fluid from front passenger side, and over heating on the gage but then cooling

2005 Grand Caravan 2 Problems may be connected - DodgeForum.com

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Jun 12, 2012 - Vehicle: 2005 Dodge Grand Caravan ... I noticed last week that when Ishut off the engine I could hear water bubbling on my side of the van. coolant vanishing and gurgling
Jul 20, 2013
coolant leaking into heater core?
May 13, 2009
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Mystery of the Gurgling Heater Core - YouTube

? 7:04
https://www.youtube.com/watch?v=db2nR0EMOIs

No, these are two seperate issues.

The only "pink" fluids are:
1. Transmission fluid 2. Power steering fluid 3. Some types of washer fluid (rare) 4. Some types of AntiFreeze-Coolant are red, although most (80%) are lime or yellow/green.
The most common fluid leak from the head is coolant and is usually form a gasket leak. You say heads as in plural, which I take to mean a V6 engine. But since having both head having a leaking gasket is remote I assume that there was a typo and you are referring to one head.
Are you loosing fluid from the radiator and/or having overheating problem, then suspect the head gasket, It is a major repair.
Post comment with additional info, ie exact location of fluid and how much. Is it leaking to the floor? When does it leak the most, standing cold or engine running hot? Doesthe fluid feel oily or more just like water?
J

You have a bad head gasket. The pink fluid you see is coolant.

Just a suspicion: hissing noise comes from failed/jammed/malfunctioning motor to move the door
in the ducting to route heated air to the hoses/ports for "heater" and "defrost."
Problem: failure of motor/linkage to heater/defrost selector door under the dash on the passenger side.
Also sounds like you have not blown fuse to this selector door.
Also - hissing noise could be air being forced against the closed door (which should be open) - in this
case, you'd want to check the fuse to the heater/defroster actuator door.
The rear heater works since its function is not related to the operation of the front heater/defroster.

replace control panel

First check the coolant level. If that is ok, then start the van and let it get up to temp. Inspect the passenger side front floor and carpet. You may need to peel back the carpet a bit front the front. Youre looking for coolant coming into the vehicle which is a sign your heater core has failed.

Power steering fluid is leaking from the left side of the Rack & Pinion. Is there a way to repair it without replacing the Rack & Pinion?

is a task to get to it and time comsuming, you have to tear into the dash behind the glove compartment to get to it. it can be your heater core or busted heater control valve. heater core will in the same location as evaporater.

There is a recall that has something to do with the air/heat system in 2005 Dodge Grand caravans. Recall F01. Here is a link. I had mine done two weeks ago, cost me nothing. My air conditioner was overheating.