1987 Corvete Upgraded Exhaust System Coolant Temp Sensor
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On the driver side is a coolant temperature sensor located between the two front spark plugs. this must be disconnected very carefully since this-like all the other plastic connectors in the engine compartment-have grown brittle with age and break easily. Happily, ours did not, but we were very gentle with it. The left-side exhaust manifold lifted out easily without the need to remove the alternator, just the rear support bracket. The gasket surface needs to be perfectly clean to prevent leaks. We cleaned the last of the gasket material off with an abrasive pad, but we left the spark plugs in and also plugged the exhaust ports in order to keep abrasive particles out of the engine. View Related Article
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