jtwangler- check your private messages, Butch

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"Knowing is not enough, we must apply.
Willing is not enough, we must do." Goethe

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1951 Chevy 3100

2003 Indian Chief Roadmaster

1983 GMC 1 ton Dually

1982 Chevy 1 ton Dually, service body (sold)

'90 GMC Suburban 6.2 "SS Veg-Burban"
(single tank WVO\diesel conversion) SOLD

'81 300D ~ Mama's car...my job (now my car)(but still my job) SOLD

'83 300sd ~ rescue car SOLD

2005 Ford Taurus (Mama's new car)(NOT my job!)

i don't get heat unless i turn off the heat then turn it back on, but it definitely cranks out the heat after i do that.

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1984 300D Turbo 169k

"Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover."
-----Mark Twain

I remember i got so sick because of the W123 Extreme Heater HEAT , strange why the 300SD heater don't get as hot as a W123 would do, Climate sensors???

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Current Garage
2008 Mercedes GL320 CDI 188k mi Repair/Work in progress
1994 S350 160k mi Garage Queen & prepping for repairs
2005 E320 CDI 203k mi Healthy & Daily Driver
1994 S350 357k mi Retried as parts car
1984 300TD 214k mi Blown OM617 Poss OM603 Swap??

Sold
1987 300SDL 200K+
1994 S320 181K mi
2008 E320 Bluetec 127k mi
1999 S420 130K mi
1980 240D 360k mi
15+ Others that has come, stay and gone

GONE, BUT NOT FORGOTTEN
1995 E320 SE 220k mi
1984 300SD 350k mi

Congrats on fixing the heat. I just got mine working as well and it's a great feeling. I put a used servo in (yes the kind that notoriously breaks) since my car didn't have one and now it works! It's not only really hot, but really loud. I was wondering what you were referring to with the "1A fuse holder splice onto the aux pump"?

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1980 300D, 128K

The auxiliary (heater-core loop) pump in the early cars had no fuse, so when it got old and started to draw too much current, it would burn out the CCU. Some have installed a fuse on that pump to prevent this failure mode.

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Gone to the dark side

- Jeff

Thanks for the info in the PM.... I have been a little confused by the terminology regarding the ac/heater system in my 80 300D so I took some pictures to get some more help. Here are some pictures. Does any of this look notoriously familiar to anyone and does anyone happen to have a good place for me to start so I can get the heater working.

http://i103.photobucket.com/albums/m.../fall08085.jpg
This is in front of the passenger side firewall in the engine compartment. Could this be the root of my problem at this valve??

http://i103.photobucket.com/albums/m.../fall08086.jpg
Or is it more likely that it would be the servo?

http://i103.photobucket.com/albums/m.../fall08084.jpg
Or what about this mess on the driver's side in front of the firewall. Cut hoses don't seem to be good...

http://i103.photobucket.com/albums/m.../fall08083.jpg
Another picture of the mess with my hand propping up some of the cut hoses