98 F-150 runs hot when AC is on

Tiny
JAYM
  • MEMBER
  • 1998 FORD F-150
It has a v-6 and 5 speed manual. Only when the ac is on does it run hot. I have replaced the waterpump, thermostat, and had the ac serviced. What could possibly cause this? Any help is appreciated.
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Monday, August 20th, 2007 AT 5:37 PM

5 Replies

Tiny
RASMATAZ
  • MEMBER
AC fan does it come On? When the AC is on
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Monday, August 20th, 2007 AT 8:29 PM
Tiny
JAYM
  • MEMBER
Blower runs fine, only other fan is on water pump has no elec. Fan
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Monday, August 20th, 2007 AT 8:55 PM
Tiny
RASMATAZ
  • MEMBER
Run the engine atleast 1 min. At 2K rpm, off it -go spin the fan on the water pump upfront does it spin easily like spinning an electric house fan when its off.

Could be a slipping belt check that too.
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Monday, August 20th, 2007 AT 9:37 PM
Tiny
RASMATAZ
  • MEMBER
Can I get one free this is the 2nd time I heard about this magic tool if yes my home addy will be forwarded to your attention. Make sure its insured there's a lot funny/monkey business going on when things get shipped to the pacific side.
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Tuesday, August 21st, 2007 AT 12:06 AM
Tiny
JAYM
  • MEMBER
Thanks. It seems to have worked. Now I have a brake problem. Front left caliper seems to be locking up. Rotor gets very hot. I was told that the fluid is bad. If thats the case, wouldn't everything stick?
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Monday, August 27th, 2007 AT 2:26 PM

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