SMU-SECTION 6A2-INTAKE MANIFOLD REMOVAL PROCEDURE. Oldsmobile Aurora 1995

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6A2 - INTAKE MANIFOLD REMOVAL PROCEDURE

MODELS: 1995 OLDSMOBILE AURORA WITH 4.0L ENGINE (VIN C - RPO L47)

THE STARTER REPLACEMENT (4.0L) PROCEDURE IN SECTION 6D2 REFERENCES TO SECTION 6A5 FOR INTAKE MANIFOLD REMOVAL. THE PROPER REFERENCE SHOULD BE SECTION 6A2.

THIS INFORMATION SHOULD BE ADDED TO THE 1995 SERVICE MANUAL. TO PROPERLY REMOVE OR REPLACE THE INTAKE MANIFOLD AND OR GASKET, THE ENSUING STEPS MUST BE FOLLOWED:

REMOVE OR DISCONNECT:

1. NEGATIVE BATTERY CABLE. 2. INTAKE MANIFOLD COVER. 3. PCV HOSE AT INTAKE MANIFOLD. 4. SPARK PLUG WIRES FROM LEFT (FRONT) SIDE OF ENGINE. 5. FUEL INJECTOR HARNESS. 6. ELECTRICAL CONNECTORS AT ISC MOTOR, TP SENSOR AND MAP SENSOR. 7. GROUND WIRES AT RIGHT CYLINDER HEAD. 8. VACUUM HOSES AT BRAKE BOOSTER AND THROTTLE BODY. 9. CRANKCASE VENT HOSE AT AIR INTAKE. 10. EGR TUBE. 11. RELIEVE FUEL SYSTEM PRESSURE. 12. FUEL LINES AND RETAINER BOLT NEAR THROTTLE BODY. 13. AIR INTAKE HOSE. 14. COOLANT HOSES AT THROTTLE BODY AND PLUG HOSES. WRAP A SHOP TOWEL AROUND HOSES WHEN DISCONNECTING TO AVOID SPILLAGE. 15. ACCELERATOR AND CRUISE CABLES AT THROTTLE BODY AND POSITION OUT OF THE WAY. 16. SIX BOLTS AND FOUR STUDS AND REMOVE INTAKE MANIFOLD.

INSTALL OR CONNECT: (REFER TO ILLUSTRATION)

1. INTAKE MANIFOLD ONTO ENGINE AND INSTALL BOLTS AND STUDS. TIGHTEN BOLTS AND STUDS TO 10 N.M (88 LB. IN.). 2. ACCELERATOR AND CRUISE CABLES AT THROTTLE BODY. 3. COOLANT HOSES AT THROTTLE BODY. 4. AIR INTAKE HOSE. 5. FUEL LINES AND RETAINING BOLT NEAR THROTTLE BODY. 6. EGR TUBE. 7. CRANKCASE VENT HOSE AT AIR INTAKE. 8. VACUUM HOSES AT BRAKE BOOSTER AND THROTTLE BODY. 9. GROUND WIRES AT RIGHT CYLINDER HEAD. 10. ELECTRICAL CONNECTORS AT ISC MOTOR, TP SENSOR, AND MAP SENSOR. 11. FUEL INJECTOR HARNESS. 12. SPARK PLUG WIRES. 13. PCV HOSE TO INTAKE MANIFOLD. 14. INTAKE MANIFOLD COVER. 15. NEGATIVE BATTERY CABLE. 16. START ENGINE, TOP OFF COOLANT LEVEL, AND CHECK FOR LEAKS.

FIGURES: 1

Object Number: 86165 Size: LF

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.