Electra V8-307 5.0L (1982)
Thermal Vacuum Valve: Service and Repair
1. Drain engine coolant.
2. Disconnect vacuum hoses from EGR-TVS and remove switch.
3. Reverse procedure to install switch, noting the following.
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Apply a suitable sealer to the EGR-TVS threads.
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Torque switch to 20 ft lb.