Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2001SAFARI VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIROVERHAULREPAIR INSTRUCTIONS53. INTAKE MANIFOLD DISASSEMBLE
2001 GMC Safari Van 2WD V6-4.3L VIN W
53. Intake Manifold Disassemble
2001 GMC Safari Van 2WD V6-4.3L VIN WSECTION 53. Intake Manifold Disassemble
Intake Manifold Disassemble
1. Remove the nuts, the studs, and the accelerator control cable bracket.
2. Remove the throttle body attaching studs.
3. Remove the throttle body.
4. Remove the throttle body to upper intake manifold gasket.
5. Discard the throttle body to upper intake manifold gasket.
6. Remove the water outlet studs.
7. Remove the water outlet (1) or (2).
8. Remove the engine coolant thermostat.
Important: Note the position and direction of the Exhaust Gas Recirculation (EGR) valve before removal. It is possible to improperly install the EGR valve 180 degrees from the original position.
9. Remove the Exhaust Gas Recirculation (EGR) valve bolts.
Notice: The Linear EGR valve is an electrical component. DO NOT soak in any liquid cleaner or solvent because damage may result.
10. Remove the EGR valve and the EGR valve gasket from the lower intake manifold.
11. Discard the EGR valve gasket.
12. Remove the Engine Coolant Temperature (ECT) sensor plug (1) or the ECT sensor (2) from the front of the lower intake manifold (if equipped).
13. Remove the studs and the ignition coil.
14. Remove the Manifold Absolute Pressure (MAP) sensor.
15. Remove the MAP sensor seal from the MAP sensor.
16. Discard the MAP sensor seal.
17. Remove the fuel pipe bolt (4).
18. Remove the fuel pipe retainer nuts (1).
19. Remove the fuel pipe retainer (2).
20. Remove the fuel pipe (3).
21. Remove and discard the fuel seal retainers (5).
22. Remove and discard the fuel seals (6) (yellow O-rings).
23. Remove and discard the spacer rings (7) (flat washers).
24. Remove and discard the fuel seals (8) (black O-rings).
25. Remove the studs and the Evaporative Emission (EVAP) canister purge solenoid valve.
26. Remove the nut and the engine wiring harness bracket.
27. Remove the upper intake manifold attaching studs.
28. Remove the upper intake manifold.
29. Remove the upper intake manifold to lower intake manifold gasket.
30. Discard the upper intake manifold to lower intake manifold gasket.
31. Remove the fuel meter body seal and discard.
32. Remove the 6 poppet nozzles from the lower intake manifold bores.
33. Remove the fuel meter body.
34. Remove the bolt and the fuel meter body bracket.
1. Remove the nuts, the studs, and the accelerator control cable bracket.
2. Remove the throttle body attaching studs.
3. Remove the throttle body.
4. Remove the throttle body to upper intake manifold gasket.
5. Discard the throttle body to upper intake manifold gasket.
6. Remove the water outlet studs.
7. Remove the water outlet (1) or (2).
8. Remove the engine coolant thermostat.
Important: Note the position and direction of the Exhaust Gas Recirculation (EGR) valve before removal. It is possible to improperly install the EGR valve 180 degrees from the original position.
9. Remove the Exhaust Gas Recirculation (EGR) valve bolts.
Notice: The Linear EGR valve is an electrical component. DO NOT soak in any liquid cleaner or solvent because damage may result.
10. Remove the EGR valve and the EGR valve gasket from the lower intake manifold.
11. Discard the EGR valve gasket.
12. Remove the Engine Coolant Temperature (ECT) sensor plug (1) or the ECT sensor (2) from the front of the lower intake manifold (if equipped).
13. Remove the studs and the ignition coil.
14. Remove the Manifold Absolute Pressure (MAP) sensor.
15. Remove the MAP sensor seal from the MAP sensor.
16. Discard the MAP sensor seal.
17. Remove the fuel pipe bolt (4).
18. Remove the fuel pipe retainer nuts (1).
19. Remove the fuel pipe retainer (2).
20. Remove the fuel pipe (3).
21. Remove and discard the fuel seal retainers (5).
22. Remove and discard the fuel seals (6) (yellow O-rings).
23. Remove and discard the spacer rings (7) (flat washers).
24. Remove and discard the fuel seals (8) (black O-rings).
25. Remove the studs and the Evaporative Emission (EVAP) canister purge solenoid valve.
26. Remove the nut and the engine wiring harness bracket.
27. Remove the upper intake manifold attaching studs.
28. Remove the upper intake manifold.
29. Remove the upper intake manifold to lower intake manifold gasket.
30. Discard the upper intake manifold to lower intake manifold gasket.
31. Remove the fuel meter body seal and discard.
32. Remove the 6 poppet nozzles from the lower intake manifold bores.
33. Remove the fuel meter body.
34. Remove the bolt and the fuel meter body bracket.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.