Alexx Posted December 16, 2004 Share Posted December 16, 2004 How interchangeable are the Subaru Heater Control Units? Will a 1988 Heater control unit work in a 1981. Will a GL version work in a DL? Will an 81 GL version work in an 81 DL? Will a non AC version work in an AC version and visa-versa? Tell me all you know. Quote Link to comment Share on other sites More sharing options...
Alexx Posted December 17, 2004 Author Share Posted December 17, 2004 Dang this dropped off the first page within just a few hours. Should I buy a used one or a new one? A new one costs $199.00, a used one around $40-60.00 Quote Link to comment Share on other sites More sharing options...
thealleyboy Posted December 17, 2004 Share Posted December 17, 2004 Al: What exactly do you mean by "heater control" unit? If you are talking about the heater core, they are generally interchangeble - but some minor plumbing modifications may be necessary. A good used unit will work just fine. Same standards apply as your radiator. If your probelm is electrical, we'll need a better description of what you're symptoms are. good luck, John Quote Link to comment Share on other sites More sharing options...
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