Series 60 lower radiator pipe sensor?

Discussion in 'Ask An Owner Operator' started by RepoweredRookie, Oct 5, 2022.

  1. RepoweredRookie

    RepoweredRookie Light Load Member

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    Hey guys, I gotta pull the water pump, and re-paint the rusty pipes. Anyone know what the sensor is on the lower radiator pipe?

    Thank you, RR
     
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  3. blairandgretchen

    blairandgretchen Road Train Member

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    BH tubes is what I replaced mine with. Stainless, no more issues.

    Unsure of the sensor.
     
  4. RepoweredRookie

    RepoweredRookie Light Load Member

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    Thanks for the idea, these stainless steal pipes are cool.
     
  5. blairandgretchen

    blairandgretchen Road Train Member

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    They’re worth the $ if you’re going to keep it for a while. The only opening in mine I can think of is a drain tap, the sensor is up top.
     
  6. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    Never seen a sensor in the lower pipe. A pic would help
     
  7. RepoweredRookie

    RepoweredRookie Light Load Member

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    Good idea, I will snap a pic tomorrow. Yeah the temp sensor is up top, so I can’t figure out what this one is, probably won’t matter.
     
    Rideandrepair and Bean Jr. Thank this.
  8. Ridgeline

    Ridgeline Road Train Member

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    GP stainless and the sensor could be a coolant pressure sensor.

    I have no idea why they use it, it seems to be used on stationary engines but I had a few in my stock collection from a company I bought.
     
  9. SmallPackage

    SmallPackage Road Train Member

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    That sensor lets the ecu know if the water pump is flowing and how much it is pulling through the radiator. My old Pete has an optional old Stewart-Warner mechanical water pressure gauge in the dash. The old NH Cummins water pumps could make 25 psi in the system at rated speed and 8-10 psi at idle.
     
  10. RepoweredRookie

    RepoweredRookie Light Load Member

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    So that line/tube going to the lower radiator coolant tube doesn’t appear to have sensor in it, but it does contain a hollow space for coolant. It goes up under the air filter ( and then I can’t see where it goes), possibly the heater core. The line was held on by a radiator clamp, so I took it off and am just going to paint the coolant tube.

    Thanks again for all the responses!

    -RR
     
  11. Rideandrepair

    Rideandrepair Road Train Member

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    Probably for one of the heater cores. Good time to change all the heater hoses, new shutoff valves if needed. Add them if it doesn’t have any.
     
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