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5. Disconnect the vacuum hoses from the differential pressure feedback EGR system.
6. Disconnect the vacuum hoses from the supercharger bypass vacuum solenoid, and the
actuator.
7. Disconnect the vacuum hoses from the fuel pulse damper and the EGR vacuum regulator solenoid.
8. Disconnect the vacuum hose from the EGR valve. Klj . 2 ba
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9. Disconnect the vacuum hoses at the back of the supercharger and position the vacuum harness
aside.
10. Remove the vacuum accessory bracket mounting nut.
11. Remove the mounting bolts, and the vacuum accessory bracket. 12. Disconnect the exhaust manifold to EGR valve tube. Klj . 3 ba
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13.
NOTE: Discard the EGR valve gasket.
Remove the mounting bolts and the EGR valve.
14. NOTE: Install a new EGR valve gasket.
To install, reverse the removal procedure. Klj . 4 ba
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REMOVAL AND INSTALLATION
Exhaust Gas Recirculation (EGR) Valve —
Mach I
Removal and Installation 1. Remove the air intake scoop. For additional information, refer to Section 303 - 12 .
2. Remove the exhaust gas recirculation (EGR) valve. 1. Disconnect the EGR tube upper fitting.
2. Disconnect the vacuum hose.
3. Remove the two bolts and remove the EGR valve and gasket.
3. CAUTION: Do not use metal scrapers, wire brushes, power abrasive disks or other
abrasive means to clean the sealing surfaces. These tools cause scratches and gouges,
which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.
Clean and inspect the mating surfaces.
4. To install, reverse the removal procedure. zInstall a new gasket.
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REMOVAL AND INSTALLATION
Exhaust Manifold to Exhaust Gas Recirculation (EGR)
Valve Tube
Removal and Installation
NOTE:
3.8L shown, 4.6L (2V) similar.
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100 - 02 .
2. Disconnect the exhaust gas recirculation (EGR) valve tube from the exhaust manifold.
3. Remove the differential feedback exhaust gas recirculation (EGR) system vacuum hoses and the bracket bolts. Position the bracket assembly aside.
4. Disconnect the EGR tube from the EGR valve.
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5. Remove the exhaust manifold-
to-EGR valve tube.
6. To install, reverse the removal procedure. Klj . 2 ba
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REMOVAL AND INSTALLATION
Exhaust Manifold to Exhaust Gas Recirculation (EGR)
Valve Tube —
Cobra
Removal and Installation 1. Remove the EGR valve. For addditional information, refer to Exhaust Gas Recirculation (EGR) Valve — Cobra in this section.
2. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100 - 02 .
3. Disconnect the exhaust manifold to EGR valve tube.
4. Remove the exhaust manifold to EGR tube from the engine compartment.
5. To install, reverse the removal procedure.
SECTION 303-
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