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4.9 thermostat housing/'91 deville

Started by kevinanderson, November 30, 2018, 06:25:19 PM

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kevinanderson

Need to replace the thermostat. Will I have any problems with unbolting it?  Seizing be an issue?
Kevin

TJ Hopland

I just had one out with no issues but I don't know how long it had been since it was last out.   The outlet bolts to a larger casting that bolts to the intake and also has the heater outlet on it.    Stuff like this usually isn't a huge problem because the stuff should not be crazy tight like head bolts but you never know.
73 Eldo convert w/FiTech EFI, over 30 years of ownership and counting
Somewhat recently deceased daily drivers, 80 Eldo Diesel & 90 CDV
And other assorted stuff I keep buying for some reason