Series 60 lower radiator pipe sensor?

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

  1. 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
     
    RepoweredRookie, Oct 5, 2022
    RepoweredRookie, Oct 5, 2022
    #1
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  3. Oct 5, 2022 #2
    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.
     
    blairandgretchen, Oct 5, 2022
    blairandgretchen, Oct 5, 2022
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  4. Oct 5, 2022 #3
    RepoweredRookie

    RepoweredRookie Light Load Member

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    Thanks for the idea, these stainless steal pipes are cool.
     
    RepoweredRookie, Oct 5, 2022
    RepoweredRookie, Oct 5, 2022
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  5. Oct 5, 2022 #4
    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.
     
    blairandgretchen, Oct 5, 2022
    blairandgretchen, Oct 5, 2022
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  7. Oct 5, 2022 #5
    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
     
    Big Road Skateboard, Oct 5, 2022
    Big Road Skateboard, Oct 5, 2022
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  8. Oct 5, 2022 #6
    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.
     
    RepoweredRookie, Oct 5, 2022
    RepoweredRookie, Oct 5, 2022
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  9. Oct 6, 2022 #7
    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.
     
    Ridgeline, Oct 6, 2022
    Ridgeline, Oct 6, 2022
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  10. Oct 6, 2022 #8
    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.
     
    SmallPackage, Oct 6, 2022
    SmallPackage, Oct 6, 2022
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  11. Oct 7, 2022 #9
    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
     
    RepoweredRookie, Oct 7, 2022
    RepoweredRookie, Oct 7, 2022
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  12. Oct 7, 2022 #10
    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.
     
    Rideandrepair, Oct 7, 2022
    Rideandrepair, Oct 7, 2022
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