49. Intake Manifold Disassemble

Intake Manifold Disassemble (C/K/C3500HD/medium Duty)





1. Remove the throttle body nuts and throttle body.
2. Remove and discard the throttle body gasket.





3. Remove the MAP sensor bolt and MAP sensor.
4. Inspect the MAP sensor seal for damage.





5. Remove the EGR valve nuts, EGR valve and EGR valve gasket.
6. Discard the EGR valve gasket.





7. Remove the EGR adapter nuts, EGR adapter and EGR adapter gasket.
8. Discard the EGR adapter gasket.





9. Remove the purge solenoid vacuum hose.





10. Remove the purge solenoid bolt and the purge solenoid.
11. Inspect the purge solenoid seal for damage.
Replace the seal as needed.