This is used on 1975-77 California and High Altitude models.
It is used to further the combustion of the exhaust gases. It consists of a shell and a core with heat insulation material between, mounted at the exhaust manifold.
- Listen for any abnormal sound from the reactor.
- Check for cracks and damage.
- Check the thermal reactor flange on the cylinder head for warpage.
The thermal reactor must be replaced when defective. It cannot be disassembled.