Heater hose routing problem, 93 Caravan SE, 3.3l

Tiny
GEORGEBESSEY
  • MEMBER
  • 1993 DODGE CARAVAN
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 174,272 MILES
I replaced the heater core In the 93 caravan. Now, I'm Still not getting warm air. I believe the vacuum controlled valve and hoses are not correctly installed. I cannot find a diagram or picture of the correct routing. I have confirmed that the control valve is operating properly. Also need to know which side of the heater core is the inlet and outlet. Pictures or a diagram would definitely help. I Also plan on comparing this van to another fully functional one.
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Thursday, January 6th, 2011 AT 11:12 PM

8 Replies

Tiny
BMRFIXIT
  • EXPERT
You have two hoses if not one way than its the other no diagram for that
this is a list on an INSUFFICIENT HEAT
Obstructed inlets or outlets.
Insufficient coolant.
Defective heater control valve.
Engine temperature low.
Temperature door binding or misadjusted.
Temperature control cable kinked or unattached.
Mode door binding or improperly adjusted.
Mode door unattached.
Kinked or plugged heater hoses.
Heater core plugged.
Trapped air in heater core.
Heater core hose connections reversed.
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Thursday, January 6th, 2011 AT 11:22 PM
Tiny
GEORGEBESSEY
  • MEMBER
But the vacuum operated valve has 3 hose connections. This is what I need a picture or diagram of. I have already addresses everything else in your list.
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Thursday, January 6th, 2011 AT 11:39 PM
Tiny
BMRFIXIT
  • EXPERT
UNDER DASH VACUUM OR UNDER HOOD
THIS IS UNDER DASH
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Thursday, January 6th, 2011 AT 11:44 PM
Tiny
GEORGEBESSEY
  • MEMBER
Not that one. The vacuum operated valve that allows hot coolant to flow through the heater core. It has three hose ports. And one vacuum tube. Trying to figure out Which hoses go to it!
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Friday, January 7th, 2011 AT 12:06 AM
Tiny
BMRFIXIT
  • EXPERT
WHAT COLOR YOU HAVE?
GRAY GOES TO THE WATER VALVE
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Friday, January 7th, 2011 AT 1:17 AM
Tiny
GEORGEBESSEY
  • MEMBER
Your question makes no sense to me. I'm asking for the correct routing of the heater hoses to the control valve and heater core
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Friday, January 7th, 2011 AT 1:22 AM
Tiny
BMRFIXIT
  • EXPERT
I am only trying to help you
I sent you what I have and the diagram indicate that the water valve vacuum hose color is gray
you don't have to answer any of my senseless questions
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Friday, January 7th, 2011 AT 1:47 AM
Tiny
GEORGEBESSEY
  • MEMBER
Ok thanks anyhow. I do appreciate the answers nonethelesS
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Friday, January 7th, 2011 AT 1:59 AM

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