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Old 11-25-2013, 12:19 PM   #1
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No heat

Hello all. I have a 2000 Focus, spi engine. Just turned 70,000 miles last week so very low miles for the year. My problem is my temperature guage barely comes off the peg and I have very little heat in the cabin after a 20 mile commute to work. I realize its probably the thermostat stuck open and it needs replaced. My question is how long does the thermostat plastic housing last? I've read eventually they will crack and leak. Am I good to go with just the thermostat or should I replace the thermostat and the housing? Thanks for your help.

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Old 11-25-2013, 12:20 PM   #2
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If it ain't broke ...
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Old 11-25-2013, 07:00 PM   #3
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You should change both
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Old 11-25-2013, 07:48 PM   #4
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For the year, it would probably be best just to replace both. But you could always get the housing checked by a mechanic (or if you can do it yourself) and see if its even necessary.
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Old 11-25-2013, 08:38 PM   #5
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My brother-in-law's '97 Escort had an SPI with the same problem, and the first bolt on the thermostat housing snapped right off. I didn't even touch the other two. His had 97,000 miles at the time, so you might make out a little better. Northeast winters are hard on cars. We junked that thing when one of the brake lines rusted through. Most of the hardware had reverted to the ore state.

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