Repair manual
Oldsmobile Eighty-Eight IX Repair Manual
Step-by-step repair and maintenance instructions for the Oldsmobile Eighty-Eight IX (1986–1991): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
67sections
490articles
ENManual language
- DIAGNOSIS & TESTING
- MODEL IDENTIFICATION
- DESCRIPTION
- BASIC DIAGNOSTIC PROCEDURE
- DIAGNOSTIC MATERIALS
- DIAGNOSTIC CHARTS
- DIAGNOSTIC AIDS
- FIELD SERVICE MODE CHECK (FUEL INJECTED MODELS)
- SPECIAL DIAGNOSTIC TOOLS
- SCAN TESTER USAGE
- SCAN TESTER - TEST DATA PARAMETERS
- ECM TERMINAL ID (3.3L VIN N, "A" BODY)
- ECM TERMINAL ID (3.3L VIN N, "N" BODY)
- ECM TERMINAL ID (3.3L VIN C, "C" & "H" BODIES)
- DIAGNOSTIC CIRCUIT CHECK
- CHART A3 - ENGINE CRANKS BUT WON'T RUN
- 3.3L (2 OF 2)
- CHART A5 - FUEL SYSTEM ELECT. TEST (3.3L, "A" BODY)
- CHART A5 - FUEL SYSTEM ELECT. TEST
- Additional Checks
- CHART A5 - FUEL SYSTEM ELECTRICAL TEST
- CHART A7 - FUEL PRESSURE TEST (3.3L "A" BODY)
- FUEL PRESSURE TEST (2 OF 3) (3.3L "A" BODY)
- Installation
- Removal
- CHART A7 - FUEL PRESSURE TEST (3.3L "N" BODY)
- CHART A7 - FUEL PRESSURE TEST (3.8L "C" & "H" BODIES)
- CHART B1 - RESTRICTED EXHAUST SYSTEM CHECK
- CHECK AT O2 SENSOR
- Diagnosis
- CHART C2A - INJECTOR BALANCE TEST
- CHART C2B - IDLE AIR CONTROL (3.3L)
- CHART C2B - IDLE AIR CONTROL (3.8L)
- CHART C3 - CANISTER PURGE CHECK
- CHART C4H1 - C3I MISFIRE AT IDLE (3.3L)
- CHART C4H2 - C3I MISFIRE UNDER LOAD (3.3L)
- CHART C4F1 - C3I MISFIRE AT IDLE (3.8L "C" & "H" BODIES)
- CHART C4F2 - C3I MISFIRE UNDER LOAD (3.8L "C" & "H" BODIES)
- CHART C5 - ELECTRONIC SPARK CONTROL (ESC)
- CHART C7 - EXHAUST GAS RECIRCULATION (3.8L)
- CHART C8 - TORQUE CONVERTER CLUTCH
- CHART C8B - TORQUE CONVERTER CLUTCH
- 3.3L "A" BODY WITH 440-T4 TRANSMISSION (2 OF 2)
- CHART C8A - TORQUE CONVERTER CLUTCH
- TCC - 3.8L WITH 440-T4 TRANSMISSION (2 OF 2)
- CHART C10 - A/C CLUTCH CONTROL
- 3.3L "A" BODY (2 OF 2)
- CHART C10 - A/C CLUTCH CONTROL (3.3L "N" BODY)
- CHART C10A - A/C CLUTCH CONTROL
- 3.8L "C" & "H" BODIES (2 OF 2)
- CHART C12A - COOLING FAN FUNCTIONAL CHECK (3.3L "A" BODY)
- CHART C12B - NO COOLING FAN(S) (3.3L "A" BODY)
- CHART C12C - COOLING FAN(S) ALWAYS ON (3.3L "A" BODY)
- CHART C12A - COOLING FAN FUNCTIONAL CHECK (3.3L "N" BODY)
- CHART C12B - NO COOLING FAN (3.3L "N" BODY)
- CHART C12C - COOLING FAN ALWAYS ON (3.3L "N" BODY)
- CHART C12A - COOLING FAN FUNCTIONAL CHECK (3.8L)
- CHART C12B - COOLING FAN ALWAYS ON (3.8L)
- CHART C12C - NO LOW SPEED COOLING FAN (3.8L)
- CHART C12D - NO HIGH SPEED COOLING FAN (3.8L)
- MODEL/BODY IDENTIFICATION
- BASIC DIAGNOSTIC PROCEDURE
- READING TROUBLE CODES
- STANDARDIZED ECM TROUBLE CODE DEFINITIONS
- TROUBLE CODE DETERMINATION (HARD OR INTERMITTENT)
- CLEARING TROUBLE CODES
- DIAGNOSTIC MATERIALS
- Diagnostic Charts
- Diagnostic Aids
- FIELD SERVICE MODE CHECK
- SPECIAL DIAGNOSTIC TOOLS
- SCAN TESTER USAGE
- "NON-SCAN" VERSION
- "SCAN" VERSION
- CHART A1: NO "SERVICE ENGINE SOON" (SES) LIGHT
- Diagnostic Aids - Engine Runs Okay
- CHART A2: WON'T FLASH CODE 12, "SES" LIGHT ON
- CHART A3: ENGINE CRANKS BUT WON'T RUN (3.3L)
- CHART A3: ENGINE CRANKS BUT WON'T RUN (3.3L, 2 OF 2)
- CHART A3: ENGINE CRANKS BUT WON'T RUN (1 OF 4) (3.8L)
- CHART A3: ENGINE CRANKS BUT WON'T RUN (2 OF 4) (3.8L)
- CHART A3: ENGINE CRANKS BUT WON'T RUN (3 OF 4) (3.8L)
- CHART A3: ENGINE CRANKS BUT WON'T RUN (4 OF 4) (3.8L)
- CHART A5: FUEL SYSTEM ELECTRICAL TEST (3.3L A BODY)
- CHART A5: FUEL SYSTEM ELECTRICAL TEST (1 OF 2) (3.3L N BODY)
- CHART A5: FUEL SYSTEM ELECTRICAL TEST (2 OF 2) (3.3L N BODY)
- Additional Checks
- CHART A5: FUEL SYSTEM ELECT TEST (1 OF 2, 3.8L W/STD CLUSTER)
- CHART A5: FUEL SYSTEM ELECT TEST (2 OF 2, 3.8L W/STD CLUSTER)
- CHART A5: FUEL SYS ELECT TEST (1 OF 2, 3.8L W/O STD CLUSTER)
- CHART A5: FUEL SYS ELECT TEST (2 OF 2, 3.8L W/O STD CLUSTER)
- CHART A7: FUEL PRESSURE TEST (1 OF 3) (3.3L A BODY)
- CHART A7: FUEL PRESSURE TEST (2 OF 3) (3.3L A BODY)
- Installation
- Removal
- CHART A7: FUEL PRESSURE TEST (2 OF 2) (3.3L N BODY)
- CHART A7: FUEL PRESSURE TEST (1 OF 2) (3.8L C/H BODY)
- CHART A7: FUEL PRESSURE TEST (2 OF 2) (3.8L C/H BODY)
- CODE 13: OPEN O2 SENSOR CIRCUIT
- CODE 14: CTS SIGNAL VOLTAGE LOW
- CODE 15: CTS SIGNAL VOLTAGE HIGH
- CODE 16: SYSTEM VOLTAGE HIGH
- CODE 21: TPS SIGNAL VOLTAGE HIGH
- CODE 22: TPS SIGNAL VOLTAGE LOW
- CODE 23: MAT SENSOR SIGNAL VOLTAGE HIGH (3.8L)
- CODE 24: VEHICLE SPEED SENSOR (VSS)
- CODE 25: MAT SENSOR SIGNAL VOLTAGE LOW (3.8L)
- CODE 26: TCC QUAD-DRIVER CKT (3.3L W/125-C TRANS)
- CODE 26: TCC QUAD-DRIVER CKT (3.3L A BODY W/440-T4 TRANS)
- CODE 26: QUAD-DRIVER CIRCUIT (1 OF 3) (3.8L)
- CODE 26: QUAD-DRIVER CIRCUIT (2 OF 3) (3.8L)
- CODE 26: QUAD-DRIVER CIRCUIT (3 OF 3) (3.8L)
- CODE 27 OR 28: GEAR SWITCH CKTS (3.3L W/125-C TRANS)
- CODE 28 OR 29: GEAR SWITCH CKTS (3.3L W/440-T4 TRANS)
- CODE 27/28 OR 29: GEAR SWITCH CIRCUITS (3.8L)
- CODE 31: PARK/NEUTRAL SWITCH CIRCUIT
- CODE 34: MASS AIRFLOW (MAF) SENSOR
- CODE 38: BRAKE SWITCH CIRCUIT (3.3L)
- CODE 38: BRAKE SWITCH CIRCUIT (3.8L)
- CODE 39: TCC CIRCUIT (3.3L W/125-C TRANS)
- CODE 39: TCC CIRCUIT (3.3L/3.8L W/440-T4 TRANS)
- CODE 41, CAM SENSOR CIRCUIT ("C" & "H" BODIES; 3.8L)
- All Updated Information
- Circuit Description
- Test Description
- CODE E041, CAM SENSOR CIRCUIT ("E" BODIES; 3.8L)
- CODE 42: EST IGNITION CIRCUIT
- CODE 43: ELECTRONIC SPARK CONTROL (ESC)
- CODE 44: LEAN EXHAUST INDICATION
- CODE 45: RICH EXHAUST INDICATOR
- CODE 46: POWER STEERING PRESSURE SWITCH (3.3L)
- CODE 46: POWER STEERING PRESSURE SWITCH (3.8L)
- CODE 48: MISFIRE DIAGNOSIS
- CODE 51: MEMCAL ERROR
- CODE 63/64 OR 65: EGR FLOW CHECK (3.8L)
- CODE 66: A/C PRESSURE SENSOR CKT (3.3L N BODY)
- CHART B1: RESTRICTED EXHAUST SYSTEM CHECK
- Check at O2 Sensor
- Diagnosis
- CHART C2A: INJECTOR BALANCE TEST
- CHART C2B: IDLE AIR CONTROL (3.3L)
- CHART C2B: IDLE AIR CONTROL (3.8L)
- CHART C3: CANISTER PURGE CHECK
- CHART C4H-1: C3I MISFIRE AT IDLE (3.3L)
- CHART C4H-2: C3I MISFIRE UNDER LOAD (3.3L)
- CHART C4F-1: C3I MISFIRE AT IDLE (3.8L C/H BODY)
- CHART C4F-2: C3I MISFIRE UNDER LOAD (3.8L C/H BODY)
- CHART C5: ELECTRONIC SPARK CONTROL (ESC)
- CHART C7: EXHAUST GAS RECIRCULATION (3.8L)
- CHART C8: TCC (125-C TRANS, 3.3L A/N BODY)
- CHART C8B: TCC W/440-T4 TRANS (1 OF 2) (3.3L A BODY)
- CHART C8B: TCC W/440-T4 TRANS (2 OF 2) (3.3L A BODY)
- CHART C8A: TCC W/440-T4 TRANS (1 OF 2) (3.8L)
- CHART C8A: TCC W/440-T4 TRANS (2 OF 2) (3.8L)
- CHART C10: A/C CLUTCH CONTROL (1 OF 2) (3.3L A BODY)
- CHART C10: A/C CLUTCH CONTROL (2 OF 2) (3.3L A BODY)
- CHART C10: A/C CLUTCH CONTROL (3.3L N BODY)
- CHART C10A: A/C CLUTCH CONTROL (1 OF 2) (3.8L C/H BODY)
- CHART C10A: A/C CLUTCH CONTROL (2 OF 2) (3.8L C/H BODY)
- CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.3L A BODY)
- CHART C12B: NO COOLING FAN(S) (3.3L A BODY)
- CHART C12C: COOLING FAN(S) ALWAYS ON (3.3L A BODY)
- CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.3L N BODY)
- CHART C12B: NO COOLING FAN (3.3L N BODY)
- CHART C12C: COOLING FAN ALWAYS ON (3.3L N BODY)
- CHART C12A: COOLING FAN FUNCTIONAL CHECK (3.8L)
- CHART C12B: COOLING FAN ALWAYS ON (3.8L)
- CHART C12C: NO LOW SPEED COOLING FAN (3.8L)
- CHART C12D: NO HIGH SPEED COOLING FAN (3.8L)
- TERMINAL ID & VOLTAGE CHARTS (3.3L VIN N, A BODY)
- TERMINAL ID & VOLTAGE CHARTS (3.3L VIN N, N BODY)
- TERMINAL ID & VOLTAGE CHARTS (3.8L VIN C, C/H BODY)
- IDENTIFICATION
- PASSENGER COMPARTMENT SENSOR/DIAGNOSTIC MODULE (PCSDM)
- FORWARD SENSOR
- ARMING SENSOR
- POWER SUPPLY
- ENERGY RESERVE MODULE
- STEERING COLUMN & COIL ASSEMBLY
- AIR BAG MODULE
- WARNING LIGHT
- SIR WIRING HARNESS & TEST CONNECTOR
- SERVICE PRECAUTIONS
- DISABLING & ACTIVATING AIR BAG SYSTEM
- POST-COLLISION AIR BAG SAFETY INSPECTION
- DISPOSAL PROCEDURES
- DEPLOYED AIR BAG
- UNDEPLOYED AIR BAG
- SCRAPPED VEHICLE
- PASSENGER COMPARTMENT SENSOR/DIAGNOSTIC MODULE (PCSDM) R & I
- Removal
- Installation
- Removal & Installation
- COIL ASSEMBLY R & I
- COIL ASSEMBLY CENTERING ADJUSTMENTS
- TESTING - SYSTEM OPERATION CHECK
- SELF-DIAGNOSTICS
- SIR DIAGNOSTIC PROCEDURE
- TESTER SERVICE PROCEDURE
- WIRE REPAIR
- TORQUE SPECIFICATIONS
- DESCRIPTION
- BLEEDING BRAKE SYSTEM
- BLEEDING FRONT BRAKES
- BLEEDING FRONT BRAKES WITH PRESSURE BLEEDER
- BLEEDING REAR BRAKES
- Bleeding Rear Brakes With Fully Charged Accumulator
- ABS FUNCTION CHECK
- SYMPTOM DIAGNOSIS CHARTS
- ABS DIAGNOSTIC CODES
- ABS CODE-TO-TEST MENU
- CHART A1, CODES 11 & 12 - EBCM PROBLEM
- CHART A-2, CODE 21 - MAIN VALVE
- CHART A3, CODE 22 - LEFT FRONT INLET VALVE
- CHART A4, CODE 23 - LEFT FRONT OUTLET VALVE
- CHART A5, CODE 24 - RIGHT FRONT INLET VALVE
- CHART A6, CODE 25 - RIGHT FRONT OUTLET VALVE
- CHART A7, CODE 26 - RIGHT INLET VALVE
- CHART A8, CODE 27 - REAR OUTLET VALVE
- CHART A9, CODES 31/35/41/55 OR 75 - LEFT FRONT SENSOR
- CHART A10, CODES 32/36/42/56 OR 76 - RIGHT FRONT SENSOR
- CHART A-11, CODES 33/37/43/57 OR 77 - RIGHT REAR SENSOR
- CHART A-12, CODES 34/38/44/58/78 - LEFT REAR SENSOR
- CHART A-13, CODES 45/46/47/48 - MISSING WHEEL SENSOR SIGNAL
- CHART A-14, CODES 51-54/71-74 - PRESSURE REDUCTION FAULT
- PRESSURE FAULT MENU
- CHART A-15, CODE 61 - LOW FLUID PRESSURE
- CHART B, ABS LAMP "ON"
- CHART B1, IGNITION ENABLE CIRCUIT
- CHART B2, EBCM LOOP CIRCUIT OPEN
- CHART B3, EBCM LOOP GROUNDED
- CHART B4, MAIN RELAY CIRCUIT
- CHART B5, ABS LAMP CIRCUITS
- CHART B6, MISCELLANEOUS EBCM INPUTS
- CHART C, BRAKE LAMP "ON"
- CHART D, ABS & BRAKE LAMPS "ON"
- CHART D1, PUMP INOPERATIVE
- CHART D2, HYDRAULIC UNIT FUNCTIONAL CHECK
- CHART D4, EXTENDED PUMP OPERATION
- CHART D5, PRESSURE SWTCH PERFORMANCE
- CHART D6, HYDRAULIC UNIT LEAKDOWN
- CHART E, SYMPTOM DIAGNOSIS
- SYMPTOM-TO-CHART MENU
- CHART E1, ABS LAMP INOPERATIVE
- CHART E2, ABS LAMP DIM
- CHART E3, VALVE CHATTER DURING STOPS
- CHART E-4, LOW OR SPONGY BRAKE PEDAL
- CHART E5, POOR TRACKING DURING STOPS
- CHART F1, RR SENSOR OUTPUT
- CHART F2, LF SENSOR OUTPUT
- CHART F3, LR SENSOR OUTPUT
- CHART F4, RF SENSOR OUTPUT
- CHART G, SOLENOID VALVE OPERATIONAL TEST
- DIAGNOSIS & TESTING
- DIAGNOSTIC PROCEDURE
- PRE-DIAGNOSIS INSPECTION
- NOTE ON INTERMITTENTS
- INSTALLING PRESSURE GAUGE
- ABS SAFETY PRECAUTIONS
- HYDRAULIC UNIT R & I
- Removal & Installation
- HYDRAULIC ACCUMULATOR R & I
- Removal
- Installation
- PUMP/MOTOR ASSEMBLY R & I
- RESERVOIR ASSEMBLY R & I
- VALVE BLOCK ASSEMBLY R & I
- PRESSURE SWITCH R & I
- REAR WHEEL SENSOR AIR GAP TABLE
- APPLICATIONS
- OVERVIEW
- TCC CONTROL COMPONENTS
- Brake Switch
- Coolant Temperature Sensor
- Electronic Control Module (ECM)
- TCC Solenoid Assembly
- Throttle Position Sensor (TPS)
- Vacuum Sensor
- Vehicle Speed Sensor (VSS)
- 3rd & 4th Gear Switch
- TROUBLE SHOOTING
- Problem in Electronic Control Module
- Electrical Problems
- Valve Body Assembly
- Oil Pump Assembly
- CONVERTER CLUTCH APPLY SLIPS, ROUGH OR SHUDDERS
- CONVERTER CLUTCH DOES NOT RELEASE
- DIAGNOSTIC TOOLS
- RETRIEVING TROUBLE CODES
- CLEARING TROUBLE CODES
- OUTPUT DISPLAYS
- DIAGNOSTIC CHARTS
- PFI CHART C-1 - ECM CHECK
- Notes On Fault Tree
- PFI Chart C-1 - ECM Check Flowchart
- Diagnostic Aids
- CODE 25, MANIFOLD AIR TEMPERATURE SENSOR SIGNAL VOLTAGE LOW - 5.0L & 5.7L TBI
- CODE 24, VEHICLE SPEED SENSOR - 2.8L PFI A & J BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 4.3L TBI B BODY
- CODE 24, VEHICLE SPEED SENSOR - 3.8L PFI - C & H BODIES
- CHART C-1A, PARK/NEUTRAL SWITCH - 3.8L PFI - C & H BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 3.8L PFI (TURBO) G BODY
- CODE 25, MANIFOLD AIR TEMPERATURE SENSOR SIGNAL VOLTAGE HIGH
- CHART C-8, TORQUE CONVERTER CLUTCH 2.3L PFI - N BODY
- CODE 24, VEHICLE SPEED SENSOR - 2.3L PFI - N BODY
- CODE 24, VEHICLE SPEED SENSOR 2.5L TBI - A BODY (WITH IN-DASH SPEED SENSOR)
- CHART C-8A, TRANSMISSION CONVERTER CLUTCH - 2.0L (VIN 1) TBI - J & L BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 2.0L PFI - J & N BODIES
- CODE 24, VEHICLE SPEED SENSOR 2.0L PFI - J & N BODIES
- CHART C-1A, PARK/NEUTRAL SWITCH - 2.0L PFI - J & N BODIES
- CHART C-8, TORQUE CONVERTER CLUTCH - 2.0L (VIN K) & 2.5L TBI
- CHART C-8, TORQUE CONVERTER CLUTCH - 3.8L "3800" PFI BONNEVILLE, ELECTRA & NINETY-EIGHT
- CODE 24, VEHICLE SPEED SENSOR - 3.8L "3800" PFI - BONNEVILLE, ELECTRA & NINETY-EIGHT
- CHART C-8B, TORQUE CONVERTER CLUTCH - 3.3L "A" BODY W/THM 4T60 TRANSMISSION (1 OF 2)