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  1. M

    Fuel Operated Heater Help

    That I'm not sure about,sorry I didn't realize you're talking about the coolant heater, mine is a bunk heater only but I think they use the same pumps.
  2. M

    Fuel Operated Heater Help

    The one I did wasn't bad, it was in a semi so I probably had more room to work with. I knocked it out in an afternoon.
  3. M

    Fuel Operated Heater Help

    the webasto ones I've used would prime on their own eventually, it'll pump for a while and if the burner doesn't get fuel it'll throw a code. All I had to do was turn it off for a couple seconds and and restart it to clear it and it would try again. I haven't really had any problems with the...
  4. M

    Fuel Operated Heater Help

    If I'm not mistaken ticking sounds are all you'll here out of the pump, if there's a filter in the line I'd replace that first and make sure it's primed.