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Old 08-06-2015, 01:44 PM
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Coolant Temperature Sensor

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Old 12-16-2011, 05:39 PM
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Default Coolant Temperature Sensor

Can anyone point out where this is located on a 3.9 please...

I went ahead and pulled out what I thought was it, on the left side of the manifold - I have a feeling I pulled out the oil temperature sensor/sending unit.

Didn't damage it at all or anything I'm just thinking I'm mixed up here because the replacement sensor I have is like half of the size of the one I pulled out.

Thanks
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Old 12-16-2011, 06:55 PM
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On my 3.9 it is right next to the thermostat housing on top of the intake manifold. It is kind of behind the back side of the alternator.

Jimmy
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Old 12-16-2011, 07:43 PM
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Alright I was right hahaha, it just confused me because the replacement parts I picked up are so different.



These were the 2 coolant temperature sensors available... LEFT: V8 RIGHT: V6



Connections. LEFT: V8 RIGHT: V6



What I pulled out of the truck. RIGHT

I decided to buy the V8 one thinking Canadian Tire's system was wrong since it seemed like the right size. The connection was the right size and the overall length was the same, but the thread was too big. They both use a 3/4 wrench.

Could I have just been unlucky and shouldn't have gone with Canadian Tire?

I'm going to return the V8 Sensor tomorrow, I think the V6 one looks too small.

Thanks!

Last edited by sxrsil3nt; 12-16-2011 at 07:46 PM.
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Old 12-16-2011, 08:55 PM
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What you puled out is the a.i.t (air intake temp sensor). The one on the right in the frist pic is the right one.
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Old 12-16-2011, 09:12 PM
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That would make sense. My mistake... These sensors all look the same.

Found it! Was hiding behind the hose and a few wires. Sucker looks like it's gonna be fun to get it!

Thank you!

Last edited by sxrsil3nt; 12-16-2011 at 09:30 PM.
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