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5.7 vortec engine

This topic contains 9 replies, has 2 voices, and was last updated by Avatar Ivan 6 months, 3 weeks ago.

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  • #895213
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    Ivan
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    Hey eric am new here i dont even know if am doing this right. I have a 96 chevy tahoe with the 5.7 liter vortec engine in it my problem is i replaced the engine the radiator water pump alternator,and air compressor however my question is what is the normal operatin temperature mine seems to be at 235 when the old engine was at around 200-210 any ideas i also change the thermostat

Viewing 9 replies - 1 through 9 (of 9 total)
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  • #895214
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    Richard Kirshy
    Participant

    First thought would be ensure the cooling system has been properly bleed and check for any obstructions of air flow.

    #895216
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    Ivan
    Participant

    I did for the cooling system ive tried everything already could it be a faulty gauge??

    #895217
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    Richard Kirshy
    Participant

    Possibly.
    Or a faulty sending unit, or wiring.
    Best to check the actual coolant temperature to see if the gauge is accurate.

    #895218
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    Ivan
    Participant

    The sending unit is new could it also be a leak somewhere?

    #895220
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    Richard Kirshy
    Participant

    The sending unit is new
    New does not always mean properly functioning.
    Which is why I suggest you confirm the coolant temp.

    could it also be a leak somewhere?
    Are you seeing a loss of coolant???

    #895227
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    Ivan
    Participant

    Yea i i thought about it to i swappedbit out twice already and no am not seeing a loss in coolant.

    #895228
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    Ivan
    Participant

    Thats where the needle is all the time after it warms up ofcourse .is it normal for the gauge to stay like this after i turn the engine off?

    #895229
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    Richard Kirshy
    Participant

    Engine off, key in hand..?
    If that’s normal, it is the first time I’ve seen gauges remain active with out the key in the accessory or on position.

    It is possible you may have an issue with your cluster.

    #895230
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    Ivan
    Participant

    Yes thats the reading on the cluster without the key in the ignition if i put the key in they will drop and will go back up as the engine warms up

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