Topic Sponsor
1987 - 1996 F150 Still running strong! Talk about your 8th and 9th generation Ford F150 trucks.

Overheating issue when the a/c is on.

Thread Tools
 
Search this Thread
 
Old Aug 19, 2014 | 10:29 AM
  #11  
etex's Avatar
Member
 
Joined: Dec 2012
Posts: 54
Likes: 7
From: Jasper, TX
Default

Originally Posted by Just call me Sean
With no shrouds the fan only cools the part of the radiator it sits in front of.
Agreed. I also noted the use of the red orifice tube. I've personally only used the blue one. Don't know if this may be a factor or not.
Reply
Old Aug 19, 2014 | 01:38 PM
  #12  
Crownman's Avatar
Thread Starter
5 Year Member
10 Year Member
Photogenic
Liked
 
Joined: May 2013
Posts: 1,251
Likes: 263
From: San Antonio, Texas
Default

Originally Posted by Just call me Sean
With no shrouds the fan only cools the part of the radiator it sits in front of.
I meant that the large stock shroud has been removed. The t bird fan wasnt modified. It covers the radiator from top to bottom, but its about 6 inches too narrow so theres about 3 inches on either side that are not covered by the shroud. Thats covering between 80-90 % of the radiator. So it should be enough coverage to work.
Reply
Old Aug 19, 2014 | 01:48 PM
  #13  
Crownman's Avatar
Thread Starter
5 Year Member
10 Year Member
Photogenic
Liked
 
Joined: May 2013
Posts: 1,251
Likes: 263
From: San Antonio, Texas
Default

Originally Posted by etex
Agreed. I also noted the use of the red orifice tube. I've personally only used the blue one. Don't know if this may be a factor or not.
why do you use the blue instead of the red ? From the research I did it the switch to the red tube was for 134a.
Reply
Old Aug 19, 2014 | 06:37 PM
  #14  
sdmartin65's Avatar
Martin
10 Year Member
 
Joined: Jan 2011
Posts: 3,036
Likes: 260
From: Lehi, Utah
Default

First post you said motor is fairly new, if timing bumped up too far this could cause it to run hot. Just another idea. I know you've heard it, but it's just hard to compete with the belt driven fan. Being as you've tried multiple Efans I'm sure you already know this.
Reply
Old Aug 19, 2014 | 08:46 PM
  #15  
Crownman's Avatar
Thread Starter
5 Year Member
10 Year Member
Photogenic
Liked
 
Joined: May 2013
Posts: 1,251
Likes: 263
From: San Antonio, Texas
Default

Originally Posted by sdmartin65
First post you said motor is fairly new, if timing bumped up too far this could cause it to run hot. Just another idea. I know you've heard it, but it's just hard to compete with the belt driven fan. Being as you've tried multiple Efans I'm sure you already know this.
Yeah I know, but i'm determined to find out why it's not working. I've helped build cars making 500+ at the wheels that used electric fans and still run nice and cool so there has to be a reason a basically stock 302 isn't. I think the different fans I've tried should have been adequate.

I'm really starting to think its a flow problem in the cooling system or the A/C has an issue and is getting the condenser way too hot. The high side line right before the condenser gets almost hot enough to take the first layer of skin off if you touch it and if someone hadn't stolen my ac gauges i'd check the pressures here at the house.

My plan for this weekend is to put the OEM water pump on, check the thermostat, flush everything out real well, use my fin tool to work on the condenser, then clean it real well with some ac coil cleaner. Then evaluate from there.
Reply




All times are GMT -4. The time now is 06:44 AM.