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4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

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Old 02-17-2012, 06:46 PM   #1
dswa85
 
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Vehicle: 2001, FORD, Mustang GT
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Default Heater Hose Assembly or Heater Return Line?

2001 Ford Mustang GT (4.6L, V8) Single Cam.

Hose coming out of the firewall and into the ??engine, radiator, or somewhere? *thinking it may be the heater return line*, started leaking last night. When investigating the nipple coming off the engine, radiator, or somewhere, broke!!! Is there a replacement?

Click the image to open in full size.

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I appreciate any and all thoughts, ideas, opinions, whatever...

Thank you,

Daniel
DSWA85@Gmail.com
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Old 02-20-2012, 09:18 AM   #2
cliffyk
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You will need to replace the intake manifold, get the FRPP replacement. Stay away from the Dorman unit sold by the FLAPS.

BTW, that is the heater core inlet...
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Last edited by cliffyk; 02-20-2012 at 09:24 AM.
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Old 06-13-2013, 03:08 PM   #3
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I haven't searched too much on the forum but I'm having an issue finding the hose thats missing from this pic. Local parts houses just have molded hoses, Nothing with the plastic couplers.
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Old 06-13-2013, 06:41 PM   #4
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It's an adapter sort of thing, separate from the hose--Motorcraft # KT83; Rockauto has them for $14.11...

Click the image to open in full size.
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SOLD! - 2003 GT, UPR X, FRPP 24lb/h, Magnaflow, PP 70mm TB & plenum,
Delta Force tuned, Steeda UDPs, Ralco flywheel,
RAM HDX clutch, 3.73s, 262 rwHP/305 lb-ft.

New ride (7/1/2013) 1998 Mercedes SL500-5.0L 32V VVT 326/347 HP/tq


Engineering is, at its base, making what you want from what you have.
At its extreme it is making what you want from what you can get.
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Old 06-13-2013, 08:57 PM   #5
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Sweet, thanks cliff. By the way that's the outlet right?
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Old 06-13-2013, 09:08 PM   #6
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The hose from the intake manifold nipple to the heater core is the inlet, the outlet is the pipe that runs through the valley under the intake manifold and to the rear of the water pump housing:

Click the image to open in full size.
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SOLD! - 2003 GT, UPR X, FRPP 24lb/h, Magnaflow, PP 70mm TB & plenum,
Delta Force tuned, Steeda UDPs, Ralco flywheel,
RAM HDX clutch, 3.73s, 262 rwHP/305 lb-ft.

New ride (7/1/2013) 1998 Mercedes SL500-5.0L 32V VVT 326/347 HP/tq


Engineering is, at its base, making what you want from what you have.
At its extreme it is making what you want from what you can get.
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Old 06-16-2013, 01:31 PM   #7
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Thanks again.
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Old 06-16-2013, 01:31 PM
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