Car Problem Reports

Dodge Grand Caravan Auxillary Heater Hose Connections May Develop Coolant Leaks

 
Dodge Grand Caravan Problem
11 Reports
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Model Years Affected: 1996, 1997, 1998, 2000, 2002, 2009, 2010

Average Mileage: 125,400 mi (51,000 mi - 189,000 mi)

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The auxiliary heater hose connections (that are routed to the rear heater under the vehicle) can develop coolant leaks.

  • Visitor, , 51,000 mi

    had coolant leak to aux heater. tracked it down to a leaky y connection directly behind the coil pack. Dealer wanted $190 for a replacement assy. Told me it can't be repaired. What I did was remove the plastic Y. and install a T fitting. On one end it goes to motor. other end I put one heater hose. I then used a small piece of heater hose to attach a 90 degree elbow to the open part of the T. This I connected to the other heater hose. Total cost. $27 including antifreeze and clamps. I bought a foot of heater hose but only used about half of it. No leaks and looks like it belongs there since my hoses aren't twisted at any weird angles. Total materials list. 1 T, 1 Elbow. 6 inches heater hose, 6 clamps and a gallon of antifreeze. No need to remove hoses from metal tubes at firewall either. Total repair time about 15 min.

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  • Visitor, , 128,000 mi

    metal hose is rusted and leaking all coolant

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  • Visitor, , 168,000 mi

    Underbody pipes are rusting where the heater hoses meet the pipes.

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  • Visitor, , 91,000 mi

    Antifreeze loss, intermittent heat.

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