Ram B1500, B2500, B3500, 1999-2003

Removal & Installation

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  1. Drain the engine cooling system.
  2.  
  3. Unplug the vacuum harness connector from the front water valve actuator.
  4.  
  5. Remove the heater hoses from the nipples on the front water valve.
  6.  
  7. Remove the water valve from the engine compartment.

    Click image to see an enlarged view

    Fig. To heater core (1), actuator (2), vacuum harness (3), clamp (4), line to engine (5), water control valve (6) and clamp (7)

  8.  

To install:

  1. Position the water valve in the engine compartment. The arrow on the water valve should be pointed towards the heater core.
  2.  
  3. Install the heater hoses to the nipples on the water valve.
  4.  
  5. Plug in the vacuum harness connector to the front water valve actuator.
  6.  
  7. Fill the engine cooling system
  8.  

 
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