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  1. pinballlarry1

    Removed heater box from '81 C10 to replace the heater core, easier than I expected.

    And the heater core has secret numbers on it, only visible when viewed from a very low angle.
  2. pinballlarry1

    Removed heater box from '81 C10 to replace the heater core, easier than I expected.

    It went well and quickly. Disconnect coolant hoses. Take out the glove box and ash tray assemblies, removed the 3 control cables, one screw to the defroster Y pipe, and one 10mm head screw on the far-right interior firewall. Burned off the paint and coating from the three 1/4" studs that...
  3. pinballlarry1

    Wiper issues

    Don't forget to check the parking position switch on the wiper motor, it could be stuck closed or not opening when the wipers get to the bottom of the windshield. Simple 2 wire connector near the top of the wiper motor assembly, and gently remove the black cover to get access to the switch...
  4. pinballlarry1

    What have you done to your square lately??

    Waiting for a new heater core to arrive and wanted to still drive the truck while I work on it.
  5. pinballlarry1

    Jack ideas?

    This was, and still is, behind the seat when I bought the truck: I tested it and it works fine if needed. Kind of wedges in there and doesn't rattle. I also keep a couple of short 2 by 4 pieces to help if I need to use in the dirt. I do have the original lug wrench under the seat but the...
  6. pinballlarry1

    What new tools have you got lately?

    Refurbished my Craftsman 328.12020 2.25 ton floor jack, made in the '70s. Heavy duty, made in Japan model, $49 repair kit and 9 hours of labor spread over 3 days. This thing is heavy and has lots of tiny springs, balls, seals, washers and is well machined on the insides. Old oil was amber, new...
  7. pinballlarry1

    1981 fuse box

    This is my '81 C10, 6 cylinder, no A/C: Owners manual:
  8. pinballlarry1

    What have you done to your square lately??

    4 new Goodyear Wrangler tires installed at Discount Tire, $480 out the door with veteran discount. Very happy with the look and ride, took it up to 75 mph on the highway for a mile and it was a smooth ride. Replaced two tires from 2008 and two tires from 2013, they were getting pretty weather...
  9. pinballlarry1

    Spare tire carrier?

    Back to working on the 1981 C10 truck. When purchased, the spare tire was just tossed in the bed. I finally paid some attention to the rear under the bed. Appears that I have no spare tire carrier: Just a busted and bent stud: (and a bad exhaust pipe hanger) the owners manual shows the "glide...
  10. pinballlarry1

    Help with the name of this part and what does it control.

    When it is pulled "on" by vacuum, it opens a flapper that allows exhaust gases to heat the intake manifold area right below the carburetor. With no vacuum, the spring inside pushes the flapper closed, like this:
  11. pinballlarry1

    What have you done to your square lately??

    Got in several hours of work while the wife was away. Changed the gear oil in the 4-speed manual trans, a full one gallon drain and fill, did get a bit messy. Also changed the 1/2" npt drain and fill plugs to magnetic plugs ($8 each on Amazon from Crimp Supply). Installed two LOUD horns behind...
  12. pinballlarry1

    Cowl area cleanout, are these fasteners the original correct ones FINISHED!!

    Spent 3 hours working today and got it finished, no real problems, just small parts and lots of patience: The rubber hinge seal assemblies I purchased from LMC (made it Taiwan). My truck appears to have never had these installed, the cowl area screw holes showed no signs of previous screws...
  13. pinballlarry1

    Cowl area cleanout, are these fasteners the original correct ones FINISHED!!

    Email sent to AUVECO, awaiting a response. Finally had a warm (60 degree) sunny day today so I spent time working inside the cowl area. Removed the hinges but left the spring arms on to position the hood out of the way: Not expecting rain overnight, but I still covered things with a tarp and...
  14. pinballlarry1

    Cowl area cleanout, are these fasteners the original correct ones FINISHED!!

    Progress continues. Not perfect, not professional, not even the correct color, but better than before: Rain forecast for the next 4 days, time to work in the garage.
  15. pinballlarry1

    Cowl area cleanout, are these fasteners the original correct ones FINISHED!!

    Interesting used parts available on that site. Thinking about that set of 5 pieces cowl retainers from newer year trucks. Not sure if the newer design is much better for $33 shipped.
  16. pinballlarry1

    Cowl area cleanout, are these fasteners the original correct ones FINISHED!!

    Wow, didn't expect these cowl retainer posts to be extinct. Two hours of internet searching and none to be found, just other people like me who want 3 new ones. Someone in the injection plastic molding industry should reproduce them. At 3 needed per truck, they should sell hundreds per year...
  17. pinballlarry1

    Cowl area cleanout, are these fasteners the original correct ones FINISHED!!

    The two end fasteners on the cowl are just a sheet metal screw secured with a flat piece that pokes into a plastic piece pushed into the hole. This looks nonstandard to me. The two wiper arms are replacements installed by the previous owner, but they are in great condition. I cleaned and...
  18. pinballlarry1

    Cowl area cleanout, are these fasteners the original correct ones FINISHED!!

    Working on the '81 C10, removed the cowl between the hood and windshield. Pretty simple, even taking off the wiper arms went well. Found 3 wasp nests inside up under the space by the windshield. I get several in the door hinge area every year. Cleaned out the usual dirt, debris, leaves and...
  19. pinballlarry1

    Looking to fill this hole in the dashboard ===DONE!!

    LAST UPDATE!! IT'S FINALLY DONE!! DO NOT LOOK IF YOU HATE DASH PAD DESTRUCTION WITH METAL CUTTERS!! Since my dash pad was very bad and horribly cracked and crumbling anyway, I decided to just cut it away and replace the speaker without removing the dash pad. This was not my first choice of...
  20. pinballlarry1

    Installed new lower radiator hose and heater hoses

    Installed new correct molded lower radiator hose and both heater hoses. Wanted both heater hoses in red but the local NAPA said red is discontinued and superseded by black. They had 3/4" by 5 feet in red so I took that in addition to the 5/8" by 5 feet black. Not worth a trip to other stores...
  21. pinballlarry1

    Looking to fill this hole in the dashboard ===DONE!!

    Well, I took some damage to the right hand and arm, probably 25 pokes and scraps, but the AM radio is installed, and it works. Works but doesn't sound very good over half volume. Even tried adjusting the antenna trimmer pot above the tuning shaft. And a new antenna wire and windshield snap...
  22. pinballlarry1

    Looking to fill this hole in the dashboard ===DONE!!

    Everything ready to reinstall, just waiting on the antenna cable, should be delivered Friday. Just need to make the time! UPDATE: Spent 30 minutes installing the radio and bracket but found that plugging in the black and white connectors in back is a bit difficult for my fat hands. After 15...
  23. pinballlarry1

    Looking to fill this hole in the dashboard ===DONE!!

    Tried to install the AM radio today, the black and white wire connectors are present and correct, the center dash speaker is present and looks ok, but someone hacked off the antenna cable about one foot below the windshield connector. A nice clean cut, makes no sense to me. Now I have to buy a...
  24. pinballlarry1

    Looking to fill this hole in the dashboard ===DONE!!

    The beast AM radio lives! Unable to post the short video with sound so you will have to add your own audio in your head. Works fine and sounds ok. I did not have to do any electrical repairs, it worked as is, just clean and lube. We shall see after I reinstall it in the dash board. Weather is...
  25. pinballlarry1

    WTB original radio wire connectors, black and white=== FOUND!!

    Looking to get another black and white connector with short pigtail wires. Want to use them for bench testing the radio outside of the truck. My '81 does have the stock black and white connector behind the dash.

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