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#1
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cold feet!
Well it was down in the 20's this morning, and one of those "only in cold weather problems" came up. I have plenty of heat in the car...problem is it only comes out of the 2 side vents in the dash or the defroster. Nothing in the center vents or the floor vents. Any suggestions(besides wearing warmer shoes)?
Mark
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85 300D (California) 220k 03 Silverado 1500 Xcab Z-71 Guzzler 90k Real American steel(made in Canada) 03 Suburban 1500 4x2 Guzzler 170k Real American steel(made in Mexico) Diamondback hybrid Element skateboard(mileage unknown) Good news for diesel owners...There's no such thing as cold...only the absence of heat! "Beer is proof that God wants us to be Happy." Benjamin Franklin "Possession....the King of sin." The Avett Brothers |
#2
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It is not designed to give heat through the center vents, however you should be able to get heat through the floor vents. Do you get heat to the floor when you push the 2nd button (with the up and down arrows)?
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#3
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If there's no footwell heat when not on defrost, then it's probably a bad vacuum pod on the footwell vent actuator. It's just to the right of the accelerator pedal. When it comes to pod replacement, it's a pretty easy one. Check with a Mity Vac.
A while back I wrote up the instructions on how to replace it. The pod is attached with a bayonet type fitting. Search on my name and footwell pod and the instructions should come up.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#4
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Quote:
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85 300D (California) 220k 03 Silverado 1500 Xcab Z-71 Guzzler 90k Real American steel(made in Canada) 03 Suburban 1500 4x2 Guzzler 170k Real American steel(made in Mexico) Diamondback hybrid Element skateboard(mileage unknown) Good news for diesel owners...There's no such thing as cold...only the absence of heat! "Beer is proof that God wants us to be Happy." Benjamin Franklin "Possession....the King of sin." The Avett Brothers |
#5
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#6
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footwell vent pod rebuild tricks? Sounds great. I will get the rebuild kit and try it out. Thanks for the help!
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85 300D (California) 220k 03 Silverado 1500 Xcab Z-71 Guzzler 90k Real American steel(made in Canada) 03 Suburban 1500 4x2 Guzzler 170k Real American steel(made in Mexico) Diamondback hybrid Element skateboard(mileage unknown) Good news for diesel owners...There's no such thing as cold...only the absence of heat! "Beer is proof that God wants us to be Happy." Benjamin Franklin "Possession....the King of sin." The Avett Brothers |
#7
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Having the same problem here.
I'm wondering if it might be easier to just 'rig' the vent flap to stay open all the time....at least during the cold season. Any thoughts on taken this route? Is it even possible?
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Chris 1985 300SD - 'Grace' (198K mi.) 2018 Honda Civic Sport 2018 Honda CRV LX 2010 Honda Fit Sport (RIP) 2013 Honda Accord Sport (Sold) 1996 Lexus LS400 (Retired) 1995 Ford Contour SE (Retired) 1976 Porsche 914 (Sold) 1972 Datsun 240Z (RIP) |
#8
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Before you go replacing parts, do some more testing...
I've got the same problem, no heat from floor vents under any situation. I thought it was the vent actuator for the floor vents, but when I tested it, it turned out it was fine! I did however, find a leaking pod, the recirculation/fresh pod. When I disconnected that pod and plugged its line, the floor vents worked! Get thee a mityvac, and test all the pods you can. when you connect the mityvac to the pod, and pull a vacuum, it should activate, and make something happen. If it looses its vacuum, or doesn't do anything, it has a ripped diaphram, and needs to be rebuilt. So pull the two kickplates, which should give you access to four of the five pods, the floor vent pod and the defrost pod which are on the driver's side, and the recirc/fresh pod and the main air pod, which are on the passenger side. The center vent pod is a little more hidden, but should be accessible without removing the dash. You should also test the changeover valves to make sure they are actually changing over. Print out a copy of the Heater/AC Vacuum diagram in the Vacuum Diagrams sticky post in this forum, it shows the vacuum layout, with rough physical positions, and will be a big help. good luck! peace, sam
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"That f***in' biodiesel is makin' me hungry." 1982 300TD Astral Silver w/ 250k (BIO BNZ) 2001 Aprilia SR50 Corsa Red w/ 5.5k (>100 MPG) |
#9
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Quote:
That sounds great! Thanks for the help. What's a mityvac...where do I get one?
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85 300D (California) 220k 03 Silverado 1500 Xcab Z-71 Guzzler 90k Real American steel(made in Canada) 03 Suburban 1500 4x2 Guzzler 170k Real American steel(made in Mexico) Diamondback hybrid Element skateboard(mileage unknown) Good news for diesel owners...There's no such thing as cold...only the absence of heat! "Beer is proof that God wants us to be Happy." Benjamin Franklin "Possession....the King of sin." The Avett Brothers |
#10
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My mityvac came from harbor freight and it works great.
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#11
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#12
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mityvac, MB diesel owners hero.
Quote:
http://www.peachparts.com/shopforum/showthread.php?p=768686&posted=1#post768686
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
#13
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eskimo....thnx. Until the weather warms up and is a little more DIY comfortable...I'll probably just rig the flap to stay open.
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#14
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how about a 124 (92 300d 2.5)
i've got no foot heat. on my old wagon, it was a fairly easy fix. i haven't even looked to see if it is the same set up. is it?
david
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newfane, vt 84 300td 223k modified greasel conversion (sold) 92 300d 2.5 185k with frybrid kit |
#15
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quick fix
Never did get around to replacing the diaphram, but it still managed to finally get cold out this month. At lunchtime I pulled the vac. line off the footwell pod and stuck a golf tee w/ teflon tape in it. I flipped the linkage open by hand, and whatevers left of the diaphram holds it in place nicely. I got back to work and I could feel all 10 toes!
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85 300D (California) 220k 03 Silverado 1500 Xcab Z-71 Guzzler 90k Real American steel(made in Canada) 03 Suburban 1500 4x2 Guzzler 170k Real American steel(made in Mexico) Diamondback hybrid Element skateboard(mileage unknown) Good news for diesel owners...There's no such thing as cold...only the absence of heat! "Beer is proof that God wants us to be Happy." Benjamin Franklin "Possession....the King of sin." The Avett Brothers |
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