Cutlass V6-191 3.1L VIN M SFI (1998)
^
Engine Coolant Temperature (ECT) sensor
^
MAP sensor
^
Camshaft Position (CMP) sensor
14. Remove the following vacuum lines:
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Vacuum Modulator
^
Fuel Pressure Regulator
^
PCV
15. Remove the MAP sensor from the upper intake manifold.
16. Remove the upper intake manifold bolts.
17. Remove the upper intake manifold.
INSTALLATION PROCEDURE
1. Install the upper intake manifold.
2. Install the upper intake manifold bolts.
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Tighten the bolts to 25 Nm (18 ft. lbs.).
Notice: The OEM service manual does not provide a torque sequence for the upper intake manifold.
NOTICE: Refer to Fastener Notice in Service Precautions.
3. Install the MAP sensor.
4. Connect the following vacuum lines:
^
Vacuum Modulator
^
Fuel Pressure Regulator
^
PCV
