Smelly heat |
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Smelly heat |
andreic |
Oct 9 2019, 08:15 AM
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#1
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Member Group: Members Posts: 172 Joined: 21-December 15 From: Madison, WI Member No.: 19,479 Region Association: Upper MidWest |
Hello,
another question on my 1972 914. Since it just got colder, I reinstalled the heat boxes and the hoses providing heat in the car. The problem is that now there is a nasty smell in the cabin as I drive, **even** with the heater lever closed. Could it be that old grease on the heater boxes gets heated up and smells? Would this be fixed by putting the heater boxes in a parts cleaner and giving them a good cleaning? Thanks. |
andreic |
Oct 9 2019, 12:11 PM
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#2
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Member Group: Members Posts: 172 Joined: 21-December 15 From: Madison, WI Member No.: 19,479 Region Association: Upper MidWest |
First off, I removed the heater boxes and the hoses to the longs tubes. I also vacuumed the longs, nothing unexpected came out (just a few small rocks).
Couple of questions. 1) How often have people seen cracked exhaust pipes that leak into the heat exchangers? I have the stainless steel heat exchangers, and on the outside they look really good. Removing them to test is a pretty big job, I don't want to start it until everything else has been checked out. 2) How do you clean the fresh air box? I know getting it out and back in is a pain in the a**, is there a simpler way to do it? To clarify, the smell I feel is that of heated or burning old oil, not mouse or other detritus. That's why I suspected oil greasy gunk on the heater boxes that could smell when warmed up. |
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