Question about 1997 Pontiac Grand Am
The hoses are middle ways on fire wall you will see two hose ends side by side. I would like to know why your flushing the heater core. Is it a blockage, leak, or other things going on.
Posted on Nov 15, 2014
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Posted on Jan 02, 2017
SOURCE: Heater core and heater hoses
beig there, done that.
most likely is not the heater itself. most of the leak is from the water **** (heater control valve) located at the passager side of the heater. if you need instruction e-mail me at email@example.com, I have all the instruction and diagrams for the thing.
Posted on Sep 30, 2008
SOURCE: i want to flush the heater core
Take off the hoses at the bulkhead/firewall that go to te heater core, use a garden hose and back flush the core by forcing water through the smaller of the 2 hose nipples, if the water runs right through then you have a heater air temp control door actuator problem
Posted on Dec 24, 2008
ram a sharp chissel or pointed head centre punch through the core and prise it out .,than tap the new one in place ,,,there u go bobs ure uncle
Posted on Jan 29, 2009
It is either condensation water from the A/C unit that should go out a drain tube to the outside (only if A/C or Defrost is on) or a leaky heater core. If it is a heater core you can usually smell a coolant smell and the water will be warm and your windows will fog up inside. Heater core is more common. Joe ASE Master Tech
Posted on Mar 05, 2009
Most often on those the motors are shot. as soon as they are activated they overheat and slow down or stop. Only way I know of to repair is to replace them. You will need a manual to do this or do them one at a time so you can check how it goes back together by looking at other one. Motors are riveted in and need to be drilled to remove...use small bolts to re-attach.
I've seen motors online for about $30-40 each.
Posted on Aug 28, 2009
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