backflush heater core

Mitsubishi Pickup
strada-caster
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Vehicle: Mitsubishi Strada 1992
Location: Thunder Bay, Ont
Location: Thunder Bay, Ontario

backflush heater core

Postby strada-caster » Wed Jul 03, 2013 10:11 am

I was just trying to backflush my heater core and got nowhere with it. passing water in the normal flow direction was no problem, but all I could do backwards was pressurize the line. Is there a valve somewhere behind the firewall? its pretty cramped in there and don't really want to rip it apart as I have heat, just wanted to clean it out a little.

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Strada 92
Posts: 189
Joined: Sun Jan 06, 2008 1:26 pm
Member's Photo Album: http://www.delica.ca/Photos/
Vehicle: Mitsubishi Strada 1992
Location: Quebec City,QC

Re: backflush heater core

Postby Strada 92 » Fri Aug 02, 2013 8:01 am

Yes there is a valve that control temperature of the HVAC.Cold=cut the flow of coolant thru the core..Hot=coolant is flowing thru the heater core.
That valve is behind the top of the dash,over the gas pedal.
Mitsubishi Strada Ralliart 1992 (sold)
Mitsubishi L400 Spacegear
Mitsubishi I-MiEV 2012


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