Heated PCV valve

Bullitt5566 · December 23rd, 2010, 10:01 PM

I finished removing the EGR valve, solenoid, DPFE sensor, and bracket today on the Bullitt. While I'm there I start looking at this crazy PCV setup that runs coolant from the heater hose, around the PCV valve and around the vacuum connection on the manifold. I'm pretty sure the smart ford engineers went through all that trouble to heat the PCV for some reason, but I seriously can't think of one. Does anyone know?

stal94gt · December 23rd, 2010, 10:28 PM

that sounds a little crazy, im not sure about bullits but i have never seen that style of valve. i know my car has the older push in stlye but on the newer ones the diff i have seen is a larger hose and a twist off valve

Bullitt5566 · December 23rd, 2010, 10:59 PM

The PCV still press fits into the valve cover, but it has a coolant line around it. I just don't understand why they would go through that trouble.

99GT35thLE · December 24th, 2010, 08:20 AM

It must only be a Bullitt thing, I've never seen that before on the GTs.

I would remove all that coolant hose if were me.

RyanGT · December 24th, 2010, 08:29 AM

That seems like a headache if coolant lines cracked. Sounds more like the work of the environmental side than ford engineers.

S281 · December 24th, 2010, 11:31 AM

its a bullitt only thing. seems like some of the bullitt mustangs intended for colder climates had those. I have a bullitt intake swap and just plugged the lines and got a non heated PCV valve, so much cheaper.

cliffyk · December 24th, 2010, 01:23 PM

There's a lot of water vapour in the crankcase fumes, and as other's have said this is likely a colder climate thing to keep the PCV valve from icing.

Odd that they would do it that way however--there are electrically heated PCV valves on some Fords?

MeanChad · December 24th, 2010, 02:17 PM

Originally Posted by S281

its a bullitt only thing. seems like some of the bullitt mustangs intended for colder climates had those. I have a bullitt intake swap and just plugged the lines and got a non heated PCV valve, so much cheaper.

Not true,I have seen these on GT's that were produced in colder climates.

Willy Mo · December 24th, 2010, 06:00 PM

first time ive heard of this. If it were me i woudl delete the coolant lines and get a non heated PCV valve.

S281 · December 24th, 2010, 08:47 PM

Originally Posted by MeanChad

Not true,I have seen these on GT's that were produced in colder climates.

wierd, then its just a colder climate thing i guess.

December 23rd, 2010, 10:01 PM	#1
Bullitt5566 Regular 2001 Mustang Bullitt 5566 Join Date: May 2009 Location: South Carolina Posts: 347 iTrader: 1 reviews	Heated PCV valve I finished removing the EGR valve, solenoid, DPFE sensor, and bracket today on the Bullitt. While I'm there I start looking at this crazy PCV setup that runs coolant from the heater hose, around the PCV valve and around the vacuum connection on the manifold. I'm pretty sure the smart ford engineers went through all that trouble to heat the PCV for some reason, but I seriously can't think of one. Does anyone know? __________________ True Blue Bullitt 517hp 456tq Vortech \| Aftercooler \| MHS Blower Cams \| MAC LT \| Lethal Xpipe \| SLP PowerFlo \| MM RCA TQA PHB FLSC

December 23rd, 2010, 10:59 PM	#3
Bullitt5566 Regular 2001 Mustang Bullitt 5566 Join Date: May 2009 Location: South Carolina Posts: 347 iTrader: 1 reviews	The PCV still press fits into the valve cover, but it has a coolant line around it. I just don't understand why they would go through that trouble. __________________ True Blue Bullitt 517hp 456tq Vortech \| Aftercooler \| MHS Blower Cams \| MAC LT \| Lethal Xpipe \| SLP PowerFlo \| MM RCA TQA PHB FLSC

December 24th, 2010, 08:20 AM	#4
99GT35thLE Hardcore Enthusiast 1999 GT 35th LE Join Date: Dec 2009 Location: Jacksonville, Florida Posts: 1,428 iTrader: 0 reviews	It must only be a Bullitt thing, I've never seen that before on the GTs. I would remove all that coolant hose if were me. __________________ Drive it like you stole it

December 24th, 2010, 08:29 AM	#5
RyanGT MM Fanatic 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 4,258 iTrader: 4 reviews	That seems like a headache if coolant lines cracked. Sounds more like the work of the environmental side than ford engineers. __________________ 2000 Black convertible GT: KB 15psi, and other goodies... 1971 Datsun 240 z: Header and rebuilt motor. (The DD)

December 24th, 2010, 11:31 AM	#6
S281 Regular Join Date: Jan 2009 Posts: 301 iTrader: 1 reviews	its a bullitt only thing. seems like some of the bullitt mustangs intended for colder climates had those. I have a bullitt intake swap and just plugged the lines and got a non heated PCV valve, so much cheaper. __________________ 2002 4.6L 5spd w/bolt ons intercooled/Vortech V3 Si trim

December 23rd, 2010, 10:28 PM	#2
stal94gt I Post Entirely Way Too Much 2003 mustang v6 ;) slow Join Date: May 2010 Location: eglin afb florida Posts: 10,197 iTrader: 2 reviews	that sounds a little crazy, im not sure about bullits but i have never seen that style of valve. i know my car has the older push in stlye but on the newer ones the diff i have seen is a larger hose and a twist off valve

December 24th, 2010, 01:23 PM	#7
cliffyk Hardcore Enthusiast Join Date: Feb 2007 Location: Saint Augustine, FL Posts: 1,808 iTrader: 1 reviews	There's a lot of water vapour in the crankcase fumes, and as other's have said this is likely a colder climate thing to keep the PCV valve from icing. Odd that they would do it that way however--there are electrically heated PCV valves on some Fords? __________________ -cliff knight- My Mustang 2003 GT, UPR X, 24lb/h injectors, Magnaflow, 180° stat, PP 70mm TB & plenum, DF Commando, Steeda UDPs, Ralco RZ_flywheel, RAM HDX clutch, WX EFX COPs 3.73s, 262 rwHP/305 lb-ft. Flex-fuel: burns gas and rubber...

December 24th, 2010, 06:00 PM	#9
Willy Mo MM Fanatic 2002 Mustang GT Join Date: Sep 2008 Location: MO Posts: 4,368 Blog Entries: 1 iTrader: 2 reviews	first time ive heard of this. If it were me i woudl delete the coolant lines and get a non heated PCV valve. __________________

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