182 is a pretty low temperature, a stock thermostat is 192 degrees I think.

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^^^^ this

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97 ranger reg cab 2.3 5 speed. 2 wd no ac. Mods after market jvc head unit & throttle cable. 06 mirror upgrade.

^^^^^^^^^^^^^^^^^^^^^^^^

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2017 Ford Fiesta ST
2014 Ford Escape Titanium Ecoboost AWD

Listen to these people^^^^^^^

This topic has been covered 1000's of times. You want a 190,192 motorcraft tstat. You don't want the 180 degree one unless you are sitting on the equator!
MOTORCRAFT MOTORCRAFT MOTORCRAFTMOTORCRAFT MOTORCRAFT

Report back.

The good news with your truck is if you need a heater core it is a 15 minute job and the part is $30

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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

It has been know to have a tstat fail right out of the box

That's what I am figuring. Just my luck. Lol

did you "burp" it?

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2003 Ford Ranger Edge / XLT Extended Cab 4x4, Arizona Beige
4.0L SOHC V6 5 Speed Automatic
Open 8.8 4.10 gears, 265x70x16
60/40 Bench, Explorer OHC, Tonneau cover
Pioneer FH-X700BT CD receiver HU & Infiniti BassLink
Crappy Homemade Brush Guard

Ok, burp it? Not being a dumb a but explain please.

You most likely have an air pocket or a failed tsrat! The Motorcraft tstat will help solve those issues. Bring it back to the guy who installed the tstat

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Did you by any chance check that your coolant level was full. Sounds like your tech might be incompetent.

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Bring it back to the guy and ask him if he put a 190/192 stat with a jiggle valve in it. Tell him you have an air pocket.

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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

Sounds to me like a massive air bubble. Like mentioned above, burp it!

What happened was the shop that you had put your tstat in just bought the cheapest one they could get instead of a Motorcraft or ford oem tstat. Because of this it doesn't fit in the gooseneck right and when it was started back for the first time after the replaced tstat, it stuck open, now it's running cold. If you need temporary fix until you get the tstat replaced, put some cardboard in front of the radiator.

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1992 Ford Ranger XLT 4x4 2.3 4cyl 5-speed

Stant, Robertshaw and AC-Delco are pretty reliable brands, IMO. Motorcraft is fine, but you don't need OEM for it to work properly, just reasonable quality.
I think the factory is a 195F setting, but 190/192 should work pretty well compared to one that is stuck wide open. Of course, being stuck open is a LOT better than jammed closed.
If you do it yourself, you can bend the metal 'prongs' so the thermostat will stay firmly in the housing. The rubber gasket on the stat should get jammed into the outlet end, and the metal edge should fit into the machined recess. Use thread if you want to hold the gasket in place, and pull it before final tightening. If you DO use sealant, be sure to re-check the tighness after a 24 hour period as the sealant will squeeze out and make the tension less on the fasteners.
tom

The OP did not do it himself so the bending and prodding of the crappy tstat does not apply here.

I agree there's a chance he could find a tstat that might work but what's the point when he can get a MC that we know will work?

I believe you left out the part about the jiggle valve. If he's going to use an aftermarket stat at least get the best "crappy" one w/Jiggle available #ponderous

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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

Thanks for all the feedback. I am diving into the engine compartment today and if all goes well I will have heat soon enough.

Grumpy make sure you come back and posts the results. Future cold members will greatly appreciate it!

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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).