Heater Core Question

jlthunder · 11-11-2003

I have the heater core out of my GT and I have a simple question. When I flushed the core, water would only flow in one direction. Is there a check valve in the core? After a few minutes, the water flowed clear. The inlet and outlet pipes, which connect to the heater hoses are still connected to the core.

Jim Branham · 11-11-2003

I just checked my 4 and all 4 flow both ways- man are my hands cold! HTH, BTW mine still have the inlet and outlet pipes connected as well.

11-11-2003	#1 (permalink)
jlthunder 1000 Post Club Join Date: May 2003 Location: Salfordville, PA Posts: 2,143 Real Name: Jeff	Unanswered: Heater Core Question I have the heater core out of my GT and I have a simple question. When I flushed the core, water would only flow in one direction. Is there a check valve in the core? After a few minutes, the water flowed clear. The inlet and outlet pipes, which connect to the heater hoses are still connected to the core. __________________ 1972 Opel GT, Owner since 1983 2001 Saab 9-5 SE 3.0 Turbo V6 Weeeeeeeeeee!!! 1973 GT, Parted out, R.I.P. 1968 Kadette, Owner since 2006, Sold, 28 June 2008

11-11-2003	#2 (permalink)
Jim Branham Opel fan Join Date: Mar 2003 Location: N.J. Posts: 380	heater core flow I just checked my 4 and all 4 flow both ways- man are my hands cold! HTH, BTW mine still have the inlet and outlet pipes connected as well. __________________ Jim B.

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