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1999 F150 5.4l NO HEAT HELP

1999 F150 5.4l NO HEAT HELP

  #16  
Old 12-06-2018, 09:38 PM
Technical Article Contributor
Join Date: Jan 2007
Location: Vernon, NY
Posts: 8,239
Good job.

I knew my hunch was correct by the good explanation of the OP.
 
  #17  
Old 12-10-2018, 03:51 PM
Junior Member
Join Date: Nov 2018
Posts: 8
Wow, that's one worn out pump. Had some similar issues and replaced my thermostat and water pump, but the one I pulled out looked almost as good as the replacement, leading me to believe that it was not the original. Glad you found the issue and a fix. Unfortunately, I'm looking at a blown head gasket methinks... a far more costly fix.
 
  #18  
Old 12-11-2018, 01:13 PM
Junior Member
Thread Starter
Join Date: Nov 2018
Location: Jacksonville Fl
Posts: 6
I was amazed when I saw it...couldn't believe it never overheated. Changed the thermostat also just because. But truck runs great again. 247k and counting
 


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