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Constant Heat in the cockpit..., Can't seem to turn it off... HELP

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dagdal1967	Jun 18 2006, 10:39 AM Post #1
What are YOU looking at... Group: Members Posts: 372 Joined: 13-March 03 From: Carrollton, Texas Member No.: 423	Hey all... I just had a bunch of work done to my car's engine. In doing so they dropped the engine out, and in doing so had to disconnect everything. I think that in putting it back together they messed something up with the heating system, because now no matter what I do with the controls in the cockpit, hot air is always pumping either to my feet or my face. I'm not too familiar with the way the flapper valves, heating system, etc is set up.. Anyone have any suggestions as to what to check??? BETTER YET.... ANY DFW boys wanna have a wrench day? I'll by the beer (IMG:style_emoticons/default/beer.gif) (and lunch (IMG:style_emoticons/default/jsharp.gif) ). Doug

Replies(1 - 7)

rhodyguy	Jun 18 2006, 10:45 AM Post #2
Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,080 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch	the heat valves are controled by the lever in the floor to the rear of the shift lever, not the dash controls. up on, down closed. the control wire connections at the valves may be misadjusted, keeping the valves partially open. the little gaskets in the valves are usually shot. climb under and have a look. k

zen motorcycle	Jun 18 2006, 10:46 AM Post #3
almost not a newbie ( way less than a newbie) Group: Members Posts: 259 Joined: 21-May 06 From: Dallas Member No.: 6,038 Region Association: None	Wrench Day sounds great. You buy the beer and I will make sure it gets drunk or I will one of the two! (IMG:style_emoticons/default/beer3.gif) Maybe check the cables on the heater boxes make sure they aren't hung up on anything and are routed correctly since you justt dropped the engine. Can you manually move the controls on the heater boxes? It has been a while since I have been under one with heat connected so these are just general ideas.

Pat Garvey	Jun 18 2006, 12:39 PM Post #4
Do I or don't I...........? Group: Members Posts: 5,899 Joined: 24-March 06 From: SE PA, near Philly Member No.: 5,765 Region Association: North East States	At the flapper end of the cable is a cable attached metal barrel about an inch long. This should be secured to a u-shaped hinged device on the flapper valve by a set screw. If it's not screwed down, or is screwed down incorrectly you're going to let heat into the cabin. Check both sides. Could be that themechanic, in haste, forgot about tightening them down. It's one of the last things you do when you R&R a 914 motor & easily forgotten.

dagdal1967	Jun 19 2006, 11:29 AM Post #5
What are YOU looking at... Group: Members Posts: 372 Joined: 13-March 03 From: Carrollton, Texas Member No.: 423	Well, I climbed under the car yesterday and the passenger side flapper isn't even connected to the cable. The driver side is connected, but I believe that it isn't adjusted right. I need to get it up on jack stands (or a hoist) to look for sure, neither of which I have! :-( Any local DFW guys have access to a hoist? Doug

r_towle	Jun 19 2006, 11:38 AM Post #6
Custom Member Group: Members Posts: 24,574 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States	you probably need to recondition the flapper valves. For the summer, and in about ten minutes time... reach under the car with a screw driver and remove the flex tub that connects the heater box to the body of the car...there are two, one per side. you will have no heat at all, but in texas, in the summer, you wont need it. you can also take off the flapper box while you are at it...its not simple, but its two screws/bolts...one in the top of the tube, its hard to get to, but you can get it without dropping the motor. The one thing you will want to look at is that now that you have removed the flapper valve...either add a tube or ensure that the waste heat that is coming from the heater box on the passenger side is pointing away from the fuel pump... The fuel pump can get vapor lock of it gets to hot...and the added heat from the heater box is what will cause it... the car will be safe and will drive fine without the flapper boxes, cable tie up the heater actuator cables so they dont get caught in anything. Now you have all summer to redo and powdercoat the flapper boxes... Rich

SGB	Jun 19 2006, 04:10 PM Post #7
just visiting Group: Members Posts: 4,086 Joined: 8-March 03 From: Huntsville, AL Member No.: 404 Region Association: South East States	Well... On mine, the "flapper" on the flapper valve has a circular sealing ring (looks like asbestos actually) that has come lose. In mine, those sealing rings had fallen into the valve body so that the flapper didn't seat. When I took outthe rings, it helped alot, but did NOT provide a very good sealing surface. Anybody got any good suggestions to replace those sealing rings?

dagdal1967	Jun 19 2006, 05:56 PM Post #8
What are YOU looking at... Group: Members Posts: 372 Joined: 13-March 03 From: Carrollton, Texas Member No.: 423	QUOTE(r_towle @ Jun 19 2006, 09:38 AM) you probably need to recondition the flapper valves. For the summer, and in about ten minutes time... <<< Stuff deleted >>> Now you have all summer to redo and powdercoat the flapper boxes... Rich Thanks Rich! I'll do that. I still need to get some jack stands or a hoist to get to them though.. If no one local can help, i'll need to try to convince the guy at my local oil change shop (a VW fan) to let me use his bay to take the flapper boxes off. D.

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