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Over heating while ac is on?

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  #16  
Old 07-10-2017, 09:48 AM
Hank85713 Hank85713 is offline
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If interested Glow shift sells an inline water temp setup. I put one on my 4.0 and it works well. It is inserted into the upper rad hose and has its own probe/sensor and goes to the gauge that you would need to install. I put a water and their oil pressure setup and it makes a difference. Temps run at the thermostat settings and oil pressure is good until it get real hot and then drops at idle but this is just an adapter that goes on the oil filter. go take a look they have good tech support.
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  #17  
Old 07-13-2017, 12:29 AM
John Faccinto Jr. John Faccinto Jr. is offline
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I haven't had time to look into the truck since my brother been driving it but I did take a quick gander under the hood and saw coolant residue all over the fan shroud originating from the cap. I haven't tested the temperature yet but I tried to turn the compressor by hand a couple of turns and after 1/2 a turn it got so hard it was unbelievable. I'm going to place my bet with the compressor and orifice tube.

Another question I was wondering is the idle setting. I know these trucks have automatic idle but what if the previous owner messed with the idle adjustment screw? How would I go about to make sure its at its proper setting as if it came from factory?
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  #18  
Old 08-01-2017, 01:47 AM
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mebe2k mebe2k is offline
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Ditch the crappy stock plastic fan...I had a similar issue with my 88..would heat up fast idling with the a/c on. Went with a 6 blade steel fan from autozone that bolted right onto the fan clutch..engine runs waaay cooler now..did the fan swap when I lived in phoenix..I think the fan part # was for an 85 f150/bronco with the 300 i6...

I noticed that the blades of the original plastic fan would bend in toward the radiator and not pull much air through causing the engine to heat up..
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  #19  
Old 08-04-2017, 11:50 AM
John Faccinto Jr. John Faccinto Jr. is offline
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So i finally got all the work done to the truck and found that the ac was a huge problm but not the entire problem. The old compressor spent more time scraping and getting stuck that was pushing freon. The truck runs way cooler now but the temp still climbs. It seems to struggle alot with the ac turned on.

Im going to look into the fan tonight
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  #20  
Old 08-04-2017, 12:51 PM
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Quote:
Originally Posted by John Faccinto Jr. View Post
So i finally got all the work done to the truck and found that the ac was a huge problm but not the entire problem. The old compressor spent more time scraping and getting stuck that was pushing freon. The truck runs way cooler now but the temp still climbs. It seems to struggle alot with the ac turned on.

Im going to look into the fan tonight
I looked on autozone's site and I believe the part # for the fan is 983619.. when I get back home I will look at the fan that I installed in my ranger and make sure that is the right part #..
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  #21  
Old 08-05-2017, 09:35 PM
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What coolant do you use?
BTW I think new fan is a good suggestion.
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  #22  
Old 08-13-2017, 12:04 AM
John Faccinto Jr. John Faccinto Jr. is offline
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I've always used new Autozone green concentrate that I personally mix to 50/50.
I'm looking into the new fan tonight. I know the old one is beyond beat up but its still in 1 piece!
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