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  1. R

    How does the coolant flow?

    ok so I routed the bypass hose to the in and out of the espar. It works fine. Seems the espar allows free flow when stopped, so no interference with normal bypass flow.
  2. R

    coolant bypass hose

    Yup. it works!
  3. R

    coolant bypass hose

    I'm assuming the smaller hose in the top front of the engine that looks like it goes into the water pump is the bypass hose. Wouldn't it be easiest to put an espar coolant heater inline with this? The top to the espar, and the espar to the bottom / water pump? Wouldn't this put heated coolant...
  4. R

    After market ac sucks

    there's a thread on this somewhere about how it's common that the ducts behind the dashboard have gaps between them that sometimes require duct tape. That is what I did to get decent defrost on my 85 silverado.
  5. R

    fuel hose size

    so the Napa counter clerk said based on the size of the mechanical lift pump the hose size should be 5/8". I bought 3' and replaced the line between the pump and metal line. It looks like someone replaced only a section from where it was previously damaged and visible or easy to access, to the...
  6. R

    Low vent flow

    If I'm not mistaken (at least on my 85), there are varying gap spaces between vent conduits in the center dash vents that let the air leak out behind the dashboard guts. putting duct tape to seal/close the gap(s) helps air flow to the vents if this is your case. I think this is showing the...
  7. R

    fuel hose size

    So I discovered that the hose between the metal line to the mechanical lift pump is cracked and leaking. It leaks when I try to start. Also stalls randomly and is hard to start. I noticed two rubber hoses, one from the metal line and the other from the pump that meet with a two inch long...
  8. R

    How does the coolant flow?

    Just wondering, did you ever take a picture?
  9. R

    How does the coolant flow?

    Just curious, is that an opening to the water jacket?
  10. R

    How does the coolant flow?

    well I think I've finally solved the problem. according to wikipedia anyway, "all" automobiles use centrifugal pumps for the water pump. https://en.wikipedia.org/wiki/Radiator_%28engine_cooling%29#Coolant_pump and looking at one of these, https://en.wikipedia.org/wiki/Centrifugal_pump...
  11. R

    How does the coolant flow?

    sorry it's been so long I haven't installed yet but have found that according to the explanation in the online manual I found for the 6.2 diesel engine the flow of coolant goes from the engine to the heater core under the dashboard, then to the radiator, so unless you're willing to turn off...
  12. R

    turns but won't start.

    Changed glow plugs. Starts fine.
  13. R

    turns but won't start.

    1985 K10 Silverado 6.2L Diesel. so I drove yesterday morning, afternoon wouldn't start. Cranking fine, glow plugs cycled (wipers came on!), turned on manual glow switch, nothing. Pink wire to IP solenoid makes noise when dis/re-connected. Fuel squirts out of the square fuel filter bleed...
  14. R

    Inner Cab Heater/AC Housing Reference Pics

    So I pulled the cowl and screen again and covered all the openings with special heavy duty outdoor weather 3M duct tape. It helps to heat up sooner and avoid outside odors, but I still get them. Must be the door seals worn, lost flexibility from age, or frozen from the cold weather. I noticed...
  15. R

    wiper arm removal

    I guess I was fortunate to have a side step to stand on and reach the right one from the left side. I had to remove them again and it gets easier each time. This message was sent from my cheap old brand new ANDROID smartphone on, "Tapatalk"!
  16. R

    Wiper Arms Modification?

    Has anyone just cut some extra metal out so they'll stand up?
  17. R

    Inner Cab Heater/AC Housing Reference Pics

    ...and what about that recirculation flap? This is the one on the right of the passenger side kick panel on my 1985 k10 silverado 6.2L Diesel with A/C (air conditioning). That looks like it could have a manual rod and handle added where there's a hole in the mold. Yes, I disconnected the...
  18. R

    Inner Cab Heater/AC Housing Reference Pics

    So how to access the outside air inlet flap under the cowl? Sort of how I explained it in the previous post except with a few pictures. Remove the wipers: http://www.gmsquarebody.com/forum/showpost.php?p=204853&postcount=1 Remove the cowl, then the screen without breaking the five tabs...
  19. R

    wiper arm removal

    I never removed the wiper arms on my 1985 k10 silverado 6.2L diesel before so I was pretty much on my own figuring out how to do it without breaking anything. I figured I'd post this for posterity. Once they're turned off in the bottom position (or wherever you want to mark them with tape on...
  20. R

    Inner Cab Heater/AC Housing Reference Pics

    I removed the recirculation air flap cover on the right side of the passenger foot well with a 5/16 socket for the three screws. The flap was closed with a spring which I unhooked from the flap/door and after pulling the door open, put the hook on the rubber so the spring wouldn't bounce off...
  21. R

    How does the coolant flow?

    That rectangle fuel filter assembly can be problematic. I have heard of the heater element not working, dealt with o rings leaking, possibly get air leakage making for smoky starts, or not. Who knows. If it possibly affects fuel flow and heat I suppose it's something to consider as a wild guess...
  22. R

    How does the coolant flow?

    I guess filter the coolant you drain to see if you get debris and same with oil and trans fluid for metal, etc. Otherwise I don't know what to think of. I guess you could try putting a plumbing camera in the engine,etc.and risk getting that stuck and clogging things. If you're changing the...
  23. R

    How does the coolant flow?

    I don't know what kind or how many cores it has, but I asked the mechanic to try to have it repaired before just replacing it and he said they attempted to but it kept falling apart. I know the left tank seam had separated from the frame which I repaired with steel epoxy and it survived about...
  24. R

    How does the coolant flow?

    Well, if they didn't flush it when the radiator was replaced, then, never? It's been running fine since then. The old radiator fell apart. I drove about a hundred miles during a move and had to stop and refill the radiator every few miles until I got some steel epoxy and closed the seam...
  25. R

    How does the coolant flow?

    I don't remember how warm, but warm enough to want to stop and remove it. It was better driving cool than risking getting too hot. I don't think I let it get to redline for at least for ten years. (This message was sent from Tapatalk.)

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