Should I keep flushing?
Fleet Owner
Joined: Nov 2003
Posts: 27,881
Likes: 3,595
If you had asked you could save some money at a dealership
Thermostat Housing O-ring
3C3Z-8255-AA
https://www.tascaparts.com/oem-parts...ket-3c3z8255aa
Thermostat Housing O-ring
3C3Z-8255-AA
https://www.tascaparts.com/oem-parts...ket-3c3z8255aa
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,242
Likes: 758
From: Houston, Texas
If you had asked you could save some money at a dealership
Thermostat Housing O-ring
3C3Z-8255-AA
https://www.tascaparts.com/oem-parts...ket-3c3z8255aa
Thermostat Housing O-ring
3C3Z-8255-AA
https://www.tascaparts.com/oem-parts...ket-3c3z8255aa
The thermostat o-ring is a one time use only type of o-ring. Once it's on there, it's on there, if you remove the thermostat, you have to replace the seal otherwise you'll get to do it again.
Ask me how I know...
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Fleet Mechanic
Joined: Feb 2008
Posts: 1,955
Likes: 6
From: Eastern PA
Yeah I didn't think about that ahead of time. By the time I realized it was 7pm on a saturday. My options were to buy a new thermostat or wait until the following day at 1pm for the auto store to get just the oring. And I really wanted to get it together that night. I did find the oring that I lost though, put it in a box and returned one of the thermostat's.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
Hmm, Never had that problem with mine and they have been on and off and back on many times.
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rokinfarmer
1999 - 2003 7.3L Power Stroke Diesel
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Jul 22, 2012 10:08 AM
