Well, it's finally fall here in Phoenix. I went to test out the heater the other day (so I could keep the sunroof open, of course) It didn't heat up at all, even with the temp set to 28C or whatever the highest reading is. Is there a solenoid valve that allows coolant to flow through the heater core? Where would I find this piece. Unfortunately, the PO was a bit of a hacker. I've already started redoing some of the work which wasn't done correctly before. I've even had to replace the turbo, as the old one's impeller was starting to hit the side and dump oil into the manifold .

Ideas?

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bigpaws1984

1978 Trans Am "Roxy"
1987 300SDL Dark Orient Red "Hilary"
2002 VW Golf TDi "Birgit"
2005 Suzuki GS500F motorcycle "Zoe"