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  1. luthj

    Overland Sprinter Build

    My 9 foot tall van definitely need sway bars, both to prevent motion sickness and for safety. Without them the van can become a rollover hazard in emergency evasion situations. I had a friend roll over his wrangler which was top-heavy with a roof rack when merging an on ramp to the interstate...
  2. luthj

    Overland Sprinter Build

    Continued code void UpdatePump() { //If engine is running, turn off engine coolant pump (ECU controls, but engine pump also is sufficient). if (DplusS) PUMPEngineS = 0; //If engine is running, Noe engine preheat/boost is selected, and D5 is currently off if (DplusS &&...
  3. luthj

    Overland Sprinter Build

    All right, here is the semi final parts list and code for the temperature control setup. There is also a 5V zener diode, and some 20A PV panel blocking diodes to prevent back feeding on the engine pump control...
  4. luthj

    Overland Sprinter Build

    We are somewhere in central Utah. I was looking for rodent damage (long story), and spotted Broken sway bar bracket. I guess the bolt came loose, and the bending fatigued the bracket. I might get it welded if l spot an open shop. Otherwise I have a new set going to a nearby post office...
  5. luthj

    Advanced RV just raised the bar!

    I just like that they don't put the ridiculous "swoops and swirls" like most big flat sided RVs have. Hideous...
  6. luthj

    GM Factory Installed Hydronic Heater Information Wanted.

    can means canbus, digital communication. If you look at the d5s main plug under the cover, there should be a pin for analog on/off. However it may not work due to custom programming.
  7. luthj

    GM Factory Installed Hydronic Heater Information Wanted.

    The sprinters also use the D5WZ. Some of the information in this thread will be applicable. https://sprinter-source.com/forums/index.php?threads/668/ You will have a wire (typically yellow) which when connected to 12V will start the heater. The heater will run at high power (5kw) until the...
  8. luthj

    Overland Sprinter Build

    No problem. I used 0.1" polycarbonate, but 0.08-0.125 would work well. The acrylic panes are stiffer, and more scratch resistant, so I would go that route if you can source them. The local place here was out of acrylic in the right size for some reason.
  9. luthj

    Overland Sprinter Build

    Clear RTV silicone adhesive. The outdoor stuff that's ~8$ a tube. There are clear urethanes that work as well, just not as common. A couple notes on doing that to a window. You need to make sure that dust can't get behind the pane. My windows have a small drain around the pinch weld on the...
  10. luthj

    Overland Sprinter Build

    Decided to DIY double pane the factory rear window. Testing some storage on the aft side of the slider opening. Do some work to stop the rear doors squeaking. New upper striker plate, and new latch pin.
  11. luthj

    Overland Sprinter Build

    Since we will be in the USA for a while, we wanted reliable unlimited mobile internet. Lots of background on this but here is the executive summary. A cheap Visible phone with unlimited data plan. Phone is tethered to the router which has a wifi and wired network available. The router spoofs...
  12. luthj

    GM Factory Installed Hydronic Heater Information Wanted.

    Typically these heaters will not activate if the temps are above a certain threshold. Some configurations require the engine to be running, or have a runtime limit (battery preservation). Typically this is all controlled by an external module programed by the OEM. The heater itself will...
  13. luthj

    Overland Sprinter Build

    Pushing to get the last of the winter maintenance done. Due to the angle of my D2, I think the combustion burner chamber is getting a bit of coke on the high side. So I put some shims under the low side. I also slotted a socket to make a glow plug removal tool. I also swapped in new...
  14. luthj

    GM Factory Installed Hydronic Heater Information Wanted.

    Can you post a photo of the unit? There are only a couple major manufacturers. Some versions can be wired up to a manual switch. I use the Espar hydronic model in my camper for hot water, engine preheat, and water tank antifreeze.
  15. luthj

    Advanced RV just raised the bar!

    There are plenty of independently wealthy people out there. If you live in a near/in a big city, low 6 figure professional salary (2x for couples) is not unusual. Its not impossible to afford then, especially if you have some short term financing. Of course ARV is a niche builder with low...
  16. luthj

    Overland Sprinter Build

    Alrighty, Got the wiring buttoned up, and fixed some bugs in the code. Apparently I often confuse constants with variables. Probably should change my naming scheme. Tested the engine preheating, took about 20 minutes to go from 70 to 100F. It looks like the D5s pump also pushes a small...
  17. luthj

    Overland Sprinter Build

    I have the hydronic system closed up and bled of air. Wiring is at 99%, just need to tidy things up and connect the D+ sense lead. Here is the approach I am taking with the water lines. I took some 2" pipe insulation and ran 3/8" heater hose along the drain lines. I plan to seal all the...
  18. luthj

    MB 1120 Coming to America!

    A 5% of free height settle isn't unusual I am told. Especially on multileaf packs, as there is some internal stiction which relaxes after a bit.
  19. luthj

    Overland Sprinter Build

    A quick update on the galley. Its working well. I need to do a little adjustment, as one of the bins sticks. The wider bins take some force to open, but they are not used often. I also don't open the bins past 75" normally, as it takes a little lift to get them going on the return. I have...
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