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Yet another no heat problem


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Ok, new

radiator 

water pump

heater core

thermostat

hoses

 

why am I not getting heat? It’s very very light light warm when hand is on the vent. Few inch away and it’s gone. Engines swap from 4 to 6. The 4.0 had been sitting while. So cleaned out best can, and have flushed the core x2 since. First time was little clogged and heated right up great. But 2ed wasn’t at all but still won’t heat. 

I have checked the cable for the flap and it’s closing good. 
going to work when it’s 30o isn’t fun. Very cold natured!!  Lol. 

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22 hours ago, jdog said:

What is the temperature of the heater hoses with the vehicle fully warmed up, use a ir gun and see, if both are cold you have a air pocket.

Which style cooling system are you running?

I don’t have anything I can read it with. But the style….. well, kinda closed? But have a cap hose to add and such and the tank is hooked to the cap like the over flow. So kinda open to? I’ll try to get a pic today to help simplify description. Lol. 
And I haven’t blocked off the rad. 

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It rad has a cap you do not need a bottle...:confused: in means of a open system vs a closed system. Matters in your not building the proper pressures in the system, your just running stright as if you had no thermostat at at which only opens at certain temperature. 

Have you blown out the heater core as well when flushing the engine? 

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2 hours ago, MiNi Beast said:

It rad has a cap you do not need a bottle...:confused: in means of a open system vs a closed system.

 

sort of, but not necessarily.  I installed a late model radiator on my old 88, but kept everything closed.  as long as the cap has a higher rated pressure than the system uses normally, it's a closed system. 

 

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5 hours ago, cruiser54 said:

Come Monday, can you find the answers to my other questions? 

I don’t know anything about the questions. All I know he said he did a oe one that was like 190 on temp. But the # eaglescout gave I know it wasn’t 25$. Think itd be worth getting one and testing? 

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I was asking eaglescout to answer the rest of my questions.

I've been down this thermostat rabbit hole before. I learned the hard way that factory stats are the only way to go. I'm trying to find out if the current Mopar ones are made by the same company in the same country. 

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10 minutes ago, cruiser54 said:

I was asking eaglescout to answer the rest of my questions.

 

 

Ohhhhh. 

Easy.

If I recall from one box I had it said made in the US and the side of the t-stat said moto-rad. I don't recall if it has an air valve or not as that was a couple years ago when I installed it and list price says $36.75 or through me would be about $27.

 

I can order another one from LA and snap pics of it.

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9 minutes ago, eaglescout526 said:

 

 

Ohhhhh. 

Easy.

If I recall from one box I had it said made in the US and the side of the t-stat said moto-rad. I don't recall if it has an air valve or not as that was a couple years ago when I installed it and list price says $36.75 or through me would be about $27.

 

I can order another one from LA and snap pics of it.

I haven't seen a current one either. Interesting to see where they're made now and by whom. 

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It’s a kit that does three different t-stat housings. One for AMC engines and two more for other Chrysler products. I didn’t even know the suffix meant anything. I always thought it was just a change in part number when they go to a new vendor. My best guess about the original part number is that it included the t-start and the gasket for just AMC engines. 

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