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Handy121
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| Posted: Jun 18 2014 at 6:23pm | IP Logged
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Anyone know of the two heater hoses at the firewall, which is the inlet. the upper or lower hose?
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2001 Nissan Frontier 4x4 Super Charged V6 145,000 miles
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Handy121
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| Posted: Jun 18 2014 at 6:43pm | IP Logged
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I found out that the upper hose is the inlet but depends on if your talking about the heater core or intake manifold.
Inlet - Engine to Heater
upper hose at heater
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2001 Nissan Frontier 4x4 Super Charged V6 145,000 miles
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lakota
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| Posted: Jun 19 2014 at 10:22am | IP Logged
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..
You could turn on the heater to the max and feel which hose
is the hottest.
In the old days I have reversed the hoses while doing a
coolant flush to clear any crud that may have been in the
heater core.
I once read that there was an engine that used the flow of
the heater system to help cool a part of the engine.
Have a good one.. Don S..
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'76 4x4 401 Wagoneer QT
'04 FWD 1.8 Sentra '08 FWD 2.4 Camry LE
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Nissan Frontier Forums : Problems / Technical
Topic: 2001 Frontier SC heater hose
