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Heater Inop

Michael Owner/Technician Utah Posted   Latest  
Case Study
HVAC
2002 Ford E-250 Econoline 5.4L (L) 4-spd (4R70W)
Heater Blows Cold

This was a fairly straightforward diagnosis, the root cause was something I've never seen before. Upper hose wouldn't get above 130F idling in the shop. Sold a thermostat & gasket, then found this:

+6
Funny
 
Frank Owner/Technician
Ontario
Frank Default
 

Definitely a candidate for the 'Eye spy' section in a monthly, local, automotive service magazine.

+1
Default Ð Awarded
 
Allan Instructor
Manitoba
Allan Default
 

Hey Mike. And of course the customer never mentioned anything about having a thermostat installed prior to bringing the vehicle to your shop.

+1
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Michael Owner/Technician
Utah
Michael Default
 

Not a word, though it looked like it had been there for a while.

+1
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Larry Technician
North Carolina
Larry Default
 

I have seen this once before after a customer installed his own thermostat, he came in because it was overheating.

0
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Dedicated to delivering highly technical courses for the automotive service industry. Corporate Partner