05 Excursion no heat
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Joined: Aug 2009
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05 Excursion no heat
Ive got a 2005 excursion with 6.0 litre diesel problem is as stated. started puking out degas bottle. since ive installed egr delete kit, new water pump, new thermostat but the heater core doesnt get warm at all!!! hoses are only warm not hot and heater core cold to touch, the blend door operating correctly. any help?
Hotshot
Joined: Apr 2010
Posts: 19,072
Likes: 242
From: Saratoga Springs,UT
there is a coolant hose right over the top of the passenger side valve cover there is 1 valve in the line the valve hass a vacuum hose to it this valve turns ON/OFF the coolant flow to the heater core
make shure the vacuum line is plugged in and not damaged
here is a pic its the valve thats circled
make shure the vacuum line is plugged in and not damaged
here is a pic its the valve thats circled
Lead Driver
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
The heater control valve defaults to open if the vacuum line is disconnected. You should check it anyway, but what you need to do is have someone turn the heat off, and watch to see the valve close. Then turn the heat on, and watch to see the valve open. You'll need to do this with the key on so that the vacuum pump can run if it needs to.
What no one has pointed out though, is that puking is more often a sign of leaking head gaskets, not an EGR cooler. I'd be looking to make sure I'd fixed the original problem as well.
What no one has pointed out though, is that puking is more often a sign of leaking head gaskets, not an EGR cooler. I'd be looking to make sure I'd fixed the original problem as well.
Hotshot
Joined: Apr 2010
Posts: 19,072
Likes: 242
From: Saratoga Springs,UT
The heater control valve defaults to open if the vacuum line is disconnected. You should check it anyway, but what you need to do is have someone turn the heat off, and watch to see the valve close. Then turn the heat on, and watch to see the valve open. You'll need to do this with the key on so that the vacuum pump can run if it needs to.
What no one has pointed out though, is that puking is more often a sign of leaking head gaskets, not an EGR cooler. I'd be looking to make sure I'd fixed the original problem as well.
What no one has pointed out though, is that puking is more often a sign of leaking head gaskets, not an EGR cooler. I'd be looking to make sure I'd fixed the original problem as well.
I didnt know the valve Defaults to Open thanks for the clarifaction David I send some reps your way if the Rep Gods will approve it
Has the Oil cooler Ever Been changed
What Is the ECT vs EOT spread
Aplugged oil cooler may cause Puke issue
What Kinda EGR deleate is it??? I hope your EGR Valve is still plugged in!!
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