Recent content by backwoodsman

  1. backwoodsman

    6.2l crankshaft bolt thread size? (Balancer replacement)

    The manual says to install it using a mallet, and tap it on far enough so the bolt can be installed. When I did mine, I heated it in the oven to around 170F (lowest oven would go) so it would slip on easier. Torque spec is 140-162 ft-lbs.
  2. backwoodsman

    Air in fuel lines after sitting over night on 6.2

    In my case, it was an old fuel hose that didn't leak fuel, but had become slightly porous to air. So when it sat a while, fuel would drain back toward the tank as air seeped in through the hose. New hose fixed it.
  3. backwoodsman

    Truck pulls to the right.

    I had the same problem on my '83 K1500 Suburban last year. Both front calipers worked fine as far as I could tell. But when I had both removed from the rotors and fully compressed, then pressed the brake pedal, the left one moved only about half as much as the right one. Over the course of a...
  4. backwoodsman

    Gelled fuel or bad pump?

    That makes me wonder if it was having trouble venting air that got into the fuel system through the fuel return line. That wouldn't usually make it quit quite that abruptly, but it'll sure make it quit, and make it very difficult to restart. If it happens again, take the fuel return line off...
  5. backwoodsman

    Gelled fuel or bad pump?

    We're talking about the primary filter/water separator, right? Unless someone has rerouted your fuel system, the lift pump is after the primary filter, so it'll suck air if you open a petcock while the pump is operating.
  6. backwoodsman

    Hx40 turbo on 6.2

    On my F250 it's on the frame rail, which is where you want it, at the low point so it can push fuel up instead of pulling. On my 6.2, it's beside the primary fuel filter, where I put it as a quick & dirty temporary fix, intending to move it to the frame rail when I got home. I won't mention...
  7. backwoodsman

    Hx40 turbo on 6.2

    You don't really need anything fancy. I use a Facet Cube-type solenoid pump. On my 6.2 Suburban it's in series with the mechanical lift pump, but on my F250 diesel (essentially the same fuel system) it runs on its own with no mechanical pump, and has worked just fine for many years. But if it...
  8. backwoodsman

    Gelled fuel or bad pump?

    Do you have an electric pump upstream of the primary filter? If not, that would suck air in, not push fuel out. Stopping as abruptly as if the key was turned off seems to me to lean away from fuel gelling, and I'm not sure that's cold enough to gel it anyway. I'd be looking first at the...
  9. backwoodsman

    vacuum pump-where to buy?

    Accurate Diesel has new pods for $135 that they say are fresh production from the OEM manufacturer. Googling "6.2L" "vacuum pump" will turn up a few other sources. https://www.accuratediesel.com/store/p/293-GM-6-2-L-Distributor-Drive-Vacuum-Pump-POD.html
  10. backwoodsman

    vacuum pump-where to buy?

    If you don't want to swap the pod, used ones start at $35 + shipping on Car-part.com. https://www.car-part.com
  11. backwoodsman

    33” tire rim width

    I'm surprised no one has mentioned that tire manufacturers specify a range of rim widths for each tire. It'll be on their website. The 33x12.5's I've checked specify a minimum 8" rim. It seems like a bad idea to deviate from the manufacturer's specs on something on which safety depends so...
  12. backwoodsman

    Dual tank diesel, where to put fuel pump?

    That doesn't always work, especially if there's rubber fuel hose in the system. I've had rubber hose get porous to air when it gets old, so air gets sucked in right through it but fuel doesn't leak. @tundrawolf That would be something to check if there's any old rubber fuel hose upstream of...
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