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  #1  
Old 02-27-2012, 01:50 PM
hrhoward hrhoward is offline
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Default Coolant fittings crumbling apart

Hi,

I have been chasing down several coolant leaks.
The biggest one was the lower thermostat housing.
Then the heater control valve.
Then the "T" on the other side of the heater core (heater to pipe number 2 as described in the parts books).

The two fittings on the heater core lines basically crumbled apart in my hand. I have attached some pictures of the "T" fitting. The heater control valve was just as bad.

Where else in the heating/cooling system are there fittings made of this material? I want to eliminate it all.

p.s. standard green coolant
Attached Images
File Type: jpg Heater hose fittings 002.jpg (71.1 KB, 15 views)
File Type: jpg Heater hose fittings 001.jpg (74.9 KB, 15 views)
File Type: jpg Heater hose fittings 010.jpg (64.6 KB, 10 views)
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  #2  
Old 02-27-2012, 02:35 PM
FireRanger FireRanger is offline
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Default Re: Coolant fittings crumbling apart

If that was a T-Fitting designed to attach a garden hose, it is not OEM and not required. On the 2005 4.0, the only thing you should have is the hose up to the heater core with the valve on it, and the hose away from the heater core back to the block.
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  #3  
Old 02-27-2012, 04:13 PM
hrhoward hrhoward is offline
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Default

I believe it is stock. The small hose off the "t" went to a small metal line wrapped around the PCV on the drivers valve cover and back to the pass front of the engine. The clamps are formed on. Had to use side cutters to get them off.

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Old 02-27-2012, 08:03 PM
FireRanger FireRanger is offline
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Default Re: Coolant fittings crumbling apart

Hmm. Was this before or after the valve? I don't have this on my '03 and I can't figure why it would be there.
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #5  
Old 02-27-2012, 09:43 PM
hrhoward hrhoward is offline
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Default

Valve is on one side of core, the "t" is on the other. Small line leading to PCV. I saw somewhere where this doodad is a result of an EPA mandated rule that is supposed to keep ice from forming in the PCV system. (Yet another why they are on my fecal register)

None the less, still would like to know if there are any more fittings made of this plastic.

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Avg. mpg: 18.2 Best mpg: 19.76
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  #6  
Old 02-27-2012, 09:50 PM
FireRanger FireRanger is offline
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Default Re: Coolant fittings crumbling apart

Well that's retarded. From the sounds of it, if the valve is closed (off), then there will be not warm coolant to flow through it.
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(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #7  
Old 02-28-2012, 12:10 PM
hrhoward hrhoward is offline
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Default Re: Coolant fittings crumbling apart

Here is a link to a picture of it.

Heater hose to pipe 2

Agreed. Retarded.

I am going to go through and look for all the fittings in this system.
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