C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Thermostat Replacement Question

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Old Mar 25, 2019 | 08:32 AM
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Default Thermostat Replacement Question

1986 do you have to remove the throttle body to replace the thermostat?
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Old Mar 25, 2019 | 10:54 AM
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No, you do not have to.
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Old Mar 26, 2019 | 10:09 AM
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Thanks, looks like a tight fit to come out but glad not to have to remove throttle body
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Old Mar 26, 2019 | 10:16 AM
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Yes just make sure you don't break the screws or strip them out, they'll be tough to get out if its been in some time.
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Old Mar 26, 2019 | 10:43 AM
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Mechanic took out thermostat 3 years ago, had some white smoke thought it might be a head gasket so we put in Blue Devil Gasket Sealer, haven't had any issues since, planning to put thermostat back in and coolant
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