I wouldn't run without a t-stat. On a lot of cars you need the restriction
to give the radiator time to do its job. Sounds to me like if it was
smoking (from exhaust?) when heating, you might have a cracked head gasket.
It looks like you've replaced everything else.

On Mon, Sep 18, 2017 at 9:04 AM, Forrest Christian (List Account) <
li...@packetflux.com> wrote:

> One thing to check is if you're getting exhaust gases in the radiator.
> There are kits to test this.
>
>
>
> On Sep 17, 2017 6:06 PM, "Jaime Solorza" <losguyswirel...@gmail.com>
> wrote:
>
>> My wife bought a 2001 4x4 Chevy S10 Vortec 4.3 from sons wife.  We knew
>> it heated up a little...I replaced water pump, fan clutch, thermostat, had
>> system flushed including heater core along with radiator.  It doesn't heat
>> up us as much...you can run it on freeway with temp at 210 degrees...once
>> you exit and stop, it gets hot for a bit then cools off again.  No
>> detectable leaks, no water in oil...wonder if sensor if faulty...any ideas
>> or tips...we want 4x4 for winter hiking season.  Thanks
>>
>

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