 Cabin heat coming in even with console handle down, Checked the heat valves |
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| oakdalecurtis |
 Mar 29 2017, 04:53 PM
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Oakdalecurtis  Group: Members Posts: 1,409 Joined: 5-June 15 From: Oakdale, Ca Member No.: 18,802 Region Association: Central California 
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I kept feeling a small amount of heat coming in on my feet even with the heat control down. I checked the cables and the heater valves underneath the car, it felt like they were closing when I manipulated them. I finally pulled the valves out, and one of them had a nut stuck in the valve gap so it wouldn't close all the way. No idea how the nut could have gotten there, but it's nice to drive now without the heater leaking into the cabin! Btw, I had no use for the disconnected CAT and EGR lights on the dash, so I black plugged one light and connected the other to the cabin heat switch. Now when I pull the console lever to get heat, a red light goes on in the dash to remind me that heat is on.
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| Dave_Darling |
Mar 31 2017, 04:46 PM
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#2
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914 Idiot Group: Members Posts: 15,338 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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I remember that the flap inside the flapper valve is actually two pieces, riveted together. If the rivet fails the two pieces can separate, and that can send (at least some!) warm air into the interior at all times.
Alan Caldwell recommended using a nut and bolt to replace the rivet if the latter fails. (Unless I'm thinking of some other valve that fails in this way....) --DD |
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| mepstein |
Apr 1 2017, 07:01 AM
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#3
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914-6 GT in waiting Group: Members Posts: 20,662 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(Dave_Darling @ Mar 31 2017, 06:46 PM)  I remember that the flap inside the flapper valve is actually two pieces, riveted together. If the rivet fails the two pieces can separate, and that can send (at least some!) warm air into the interior at all times. Alan Caldwell recommended using a nut and bolt to replace the rivet if the latter fails. (Unless I'm thinking of some other valve that fails in this way....) --DD I fixed mine that way. Just a little heat on a hot summer day is too much! |
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Posts in this topic
oakdalecurtis Cabin heat coming in even with console handle down Mar 29 2017, 04:53 PM
mgphoto Photo??? Mar 29 2017, 05:39 PM oakdalecurtis Off, then On pic:
Mar 29 2017, 10:18 PM r_towle There is a rubber seal in the flapper box, on the ... Mar 30 2017, 08:51 AM
barefoot
There is a rubber seal in the flapper box, on the... Mar 31 2017, 08:43 AM rhodyguy The heated air and cooler outside air can be mixed... Mar 31 2017, 08:52 AM Perry Kiehl I had a car in that had the same problem. It was ... Apr 1 2017, 06:42 AM r_towle I removed the flexible hoses in the summer....that... Apr 1 2017, 08:50 AM |
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