K 2500 Truck 4WD V8-5.3L VIN T (1999)
8. Remove the inlet coolant hose from the throttle body.
9. Remove the vapor vent tube hose from the throttle body.
10. Remove the two bolts holding the Exhaust Gas Recirculation (EGR) valve mounting bracket to the cylinder head and the EGR inlet pipe to the
intake manifold. Refer to Exhaust Manifold Removal (Right Side).
11. Open the large electrical harness retainer, then remove one M6 nut in order to separate the engine harness from the intake manifold.