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Old 01-24-2016, 10:52 AM   #1
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2002 Bounder - Dash Heat problem

I got no dash heat , hoses to heater core are not hot. Can someone inform me how to fix ? Is there a valve somewhere

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Old 01-24-2016, 10:59 AM   #2
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It is a common modification, perhaps a PO made it to increase cooling in hot weather. First check that the heater control valve is working and opening. Then check around the hoses into the heater core and the heater hoses coming from the engine. Those are the common places to install a shut off valve.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 01-28-2016, 05:47 AM   #3
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Originally Posted by sailfish1982 View Post
I got no dash heat , hoses to heater core are not hot. Can someone inform me how to fix ? Is there a valve somewhere
On my Cummins 5.9 in my 2000 Bounder there are two valves which control coolant flow up front to the heater core.

One is on top of the engine by the valve cover, accessed from under the bed.

The other valve is under the engine on the drivers side near the oil filter.

Both have handles that look like the standard garden hose valves on a house.

Open both of those and your heat should return.
'08 Bounder 38S, '12 Jeep Wrangler Sport
Happy trails,
Rich & Margaret, Shih-Tzu's 'Tinkerbelle' & 'Annie'
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dash, heat, bounder

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