Over heating while ac is on?
Cargo Master
Joined: Feb 2002
Posts: 2,414
Likes: 22
From: Tucson USA
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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Senior User
Joined: Sep 2016
Posts: 111
Likes: 0
From: Las Vegas
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?
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?
Laughing Gas
Joined: Dec 2003
Posts: 1,062
Likes: 12
From: Ford, WA
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..
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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Senior User
Joined: Sep 2016
Posts: 111
Likes: 0
From: Las Vegas
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
Im going to look into the fan tonight
Laughing Gas
Joined: Dec 2003
Posts: 1,062
Likes: 12
From: Ford, WA
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
Im going to look into the fan tonight
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Senior User
Joined: Sep 2016
Posts: 111
Likes: 0
From: Las Vegas
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!
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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Senior User
Joined: Sep 2016
Posts: 111
Likes: 0
From: Las Vegas
I checked up on the part number and its for a 19 in fan blade. I believe I have a 17.5 in blade. Did you happen to use a spacer too? Dn29626 did you happen to verify the part number?
The more I look into fan blades the more I come across the standard rotation or reverse rotation and Im uncertain which I have. Further more, I don't know if I need a fan spacer.
This is the fan that im looking at getting.
Compressor Works Fan Blade 222618 - Read Reviews on Compressor Works #222618
The more I look into fan blades the more I come across the standard rotation or reverse rotation and Im uncertain which I have. Further more, I don't know if I need a fan spacer.
This is the fan that im looking at getting.
Compressor Works Fan Blade 222618 - Read Reviews on Compressor Works #222618
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Laughing Gas
Joined: Dec 2003
Posts: 1,062
Likes: 12
From: Ford, WA
I checked up on the part number and its for a 19 in fan blade. I believe I have a 17.5 in blade. Did you happen to use a spacer too? Dn29626 did you happen to verify the part number?
The more I look into fan blades the more I come across the standard rotation or reverse rotation and Im uncertain which I have. Further more, I don't know if I need a fan spacer.
This is the fan that im looking at getting.
Compressor Works Fan Blade 222618 - Read Reviews on Compressor Works #222618
The more I look into fan blades the more I come across the standard rotation or reverse rotation and Im uncertain which I have. Further more, I don't know if I need a fan spacer.
This is the fan that im looking at getting.
Compressor Works Fan Blade 222618 - Read Reviews on Compressor Works #222618
Thread Starter
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Senior User
Joined: Sep 2016
Posts: 111
Likes: 0
From: Las Vegas
Ill tell you what, that new fan looks bad as hell in the engine bay! It worked like a complete charm for the first week or so with the temp gauge barely going above R and now its pushing past M.
I did replace the fan clutch but my question is how freely must it spin? When the truck is cold the thing turns about 1/4 turn and when its hot-hot it turns 1/2 a turn. Keep in mind the clutch is brand new.
I did replace the fan clutch but my question is how freely must it spin? When the truck is cold the thing turns about 1/4 turn and when its hot-hot it turns 1/2 a turn. Keep in mind the clutch is brand new.
Laughing Gas
Joined: Dec 2003
Posts: 1,062
Likes: 12
From: Ford, WA
Ill tell you what, that new fan looks bad as hell in the engine bay! It worked like a complete charm for the first week or so with the temp gauge barely going above R and now its pushing past M.
I did replace the fan clutch but my question is how freely must it spin? When the truck is cold the thing turns about 1/4 turn and when its hot-hot it turns 1/2 a turn. Keep in mind the clutch is brand new.
I did replace the fan clutch but my question is how freely must it spin? When the truck is cold the thing turns about 1/4 turn and when its hot-hot it turns 1/2 a turn. Keep in mind the clutch is brand new.
pretty much the stock gauge running around the R and the M in NORMAL, is well.. normal..especially when it's over 100 out and you've got the a/c going..now if the gauge goes to the H then I would worry..my ranger runs about the same temp as yours when it's 100+ out, A/C blasting and stuck in traffic..if you're idling for a long time and it starts creeping up just fast idle it a bit (about 1500rpm) and it should cool down
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Senior User
Joined: Sep 2016
Posts: 111
Likes: 0
From: Las Vegas
Note to self: because its new dont mean its not broke.
I re-replaced the fan clutch with a new one and no more issues!.
My initial problem was that the truck would overheat in a matter of minutes with the ac on.
I went through found the condenser to be dirty, ac compress to be shot, orifice to clogged, radiator with bent fins, original fan clutch to be filthy, and fan blades to be warped and cracked. Which when I replaced everything listed significantly helped the truck cool but never while the ac was on.
NO matter how fast I'd drive down a hill, the temp gauge would climb and reach way past L before I'd shut the Ac off all together. While the gauge is a dummy item, I know if my fan couldn't cool in by L then there is something seriously wrong. And it looks like another fan clutch was the issue.
I re-replaced the fan clutch with a new one and no more issues!.
My initial problem was that the truck would overheat in a matter of minutes with the ac on.
I went through found the condenser to be dirty, ac compress to be shot, orifice to clogged, radiator with bent fins, original fan clutch to be filthy, and fan blades to be warped and cracked. Which when I replaced everything listed significantly helped the truck cool but never while the ac was on.
NO matter how fast I'd drive down a hill, the temp gauge would climb and reach way past L before I'd shut the Ac off all together. While the gauge is a dummy item, I know if my fan couldn't cool in by L then there is something seriously wrong. And it looks like another fan clutch was the issue.
Laughing Gas
Joined: Dec 2003
Posts: 1,062
Likes: 12
From: Ford, WA
Note to self: because its new dont mean its not broke.
I re-replaced the fan clutch with a new one and no more issues!.
My initial problem was that the truck would overheat in a matter of minutes with the ac on.
I went through found the condenser to be dirty, ac compress to be shot, orifice to clogged, radiator with bent fins, original fan clutch to be filthy, and fan blades to be warped and cracked. Which when I replaced everything listed significantly helped the truck cool but never while the ac was on.
NO matter how fast I'd drive down a hill, the temp gauge would climb and reach way past L before I'd shut the Ac off all together. While the gauge is a dummy item, I know if my fan couldn't cool in by L then there is something seriously wrong. And it looks like another fan clutch was the issue.
I re-replaced the fan clutch with a new one and no more issues!.
My initial problem was that the truck would overheat in a matter of minutes with the ac on.
I went through found the condenser to be dirty, ac compress to be shot, orifice to clogged, radiator with bent fins, original fan clutch to be filthy, and fan blades to be warped and cracked. Which when I replaced everything listed significantly helped the truck cool but never while the ac was on.
NO matter how fast I'd drive down a hill, the temp gauge would climb and reach way past L before I'd shut the Ac off all together. While the gauge is a dummy item, I know if my fan couldn't cool in by L then there is something seriously wrong. And it looks like another fan clutch was the issue.