For 1990-2009 cars

# MISC. ITEMS - QUICK SERV INFO MULTIPLE SUBJECTS

THIS BULLETIN CONTAINS MULTIPLE SUBJECTS. PAGE THROUGH TO DESIRED SUBJECT.

GR. 1 ECC WIRING SCHEMATICS REVISED

THIS ITEM CONTAINS REVISIONS TO FOUR OF THE ECC WIRING SCHEMATICS IN THE 1981 SERVICE MANUAL. THE FOUR SCHEMATICS ARE IN FIGURES 1A-54, 1A-57, 1A-59, AND 1A-61. DIAGRAM "A" SHOWS THE REVISED PIN SEQUENCE AT THE POWER MODULE FOR FIGURE 1A-54. DIAGRAM "B" SHOWS THE REVISED PIN SEQUENCE FOR FIGRUES 1A-57, 1A-59, AND 1A-61. ALSO INCLUDED IN DIAGRAM "B" IS THE REVISED TITLE AND CIRCUIT NUMBER 990 FOR PIN F. THESE REVISIONS SHOULD BE REFERENCED IN YOUR COPY OF THE 1981 SERVICE MANUAL.

GR. 3B P/S GEAR UPPER THRUST BEARING SPACER

THE METHOD OF MANUFACTURING THE POWER STEERING GEAR UPPER THRUST BEAR- ING SPACER HAS BEEN REVISED FOR ALL MODEL YEARS AND SERIES STEERING GEARS USED BY CADILLAC (EXCLUDING THE 1982 CIMARRON RACK AND PINION STEERING). THE UPPER THRUST BEARING SPACER IS BEING MANUFACTURED WITH A SPLIT RING. THE THRUST BEARING SPACER SHOULD NOT BE REPLACED BECAUSE OF THIS SPLIT. ALL FUTURE SERVICE PARTS WILL BE OF THE SPLIT SPACER TYPE.

GR. 5 CIMARRON PARKING BRAKE ADJUSTMENT PROCEDURE

THE FOLLOWING PROCEDURE (WHICH IS NOT INCLUDED IN THE 1982 SERVICE MANUAL) SHOULD BE FOLLOWED WHEN ADJUSTING THE PARKING BRAKE ON 1982 CIMARRONS:

1. APPLY PARKING BRAKE LEVER EXACTLY 5 CLICKS.

2. RAISE AND SUITABLY SUPPORT CAR.

3. CHECK THE EQUALIZER NUT GROOVE TO SEE THAT IT IS LIBERALLY LUBRICATED. IF NOT LUBRICATED, USE CHASSIS GREASE GM PART NUMBER 1052497 OR EQUIVALENT.

4. TIGHTEN ADUSTING NUT UNTIL RIGHT REAR WHEEL CAN JUST BE TURNED REARWARD USING TWO HANDS BUT IS LOCKED WHEN FORWARD ROTATION IS ATTEMPTED.

5. WITH THE PARKING BRAKE DISENGAGED, THE REAR WHEELS MUST TURN FREE- LY IN EITHER DIRECTION WITH NO BRAKE DRAG.

6. REMOVE SUPPORT AND LOWER CAR.

GR. 6C PROM I.D. CODES FOR 1982 CADILLACS WITH 4.1L V-8 ENGINE

THE FOLLOWING PROM I.D. CODES WILL BE USED ON 1982 CADILLACS EQUIPPED WITH A 4.1 LITER V-8 DFI ENGINE:

CAR SERIES

E/K WITHOUT E/K WITH CALIBRATION C DIGITAL CLUSTER DIGITAL CLUSTER

FEDERAL 10 40 70 CALIFORNIA 20 50 80 EXPORT 30 60 90

THIS PROM I.D., WHICH IS DISPLAYED AS PARAMETER .1.3 IN DFI DIAG- NOSTICS, WILL VERIFY THAT THE CORRECT PROM HAS BEEN INSTALLED IN THE ECM. ADDITIONAL PROM I.D.'S WILL BE ASSIGNED SHOULD A PRODUCTION CHANGE BE MADE IN THE PROM CALIBRATION. REFER TO THE GMWDD PARTS IN- FORMATION FOR THE SERVICE PART NUMBERS OF THESE PROM'S.

GR. 6D WARRANTY BATTERY REPLACEMENT INFORMATION

WHEN SUBMITTING A WARRANTY CLAIM FOR A BATTERY REPLACEMENT, THE LISTED PART NUMBERS SHOULD BE USED:

BODY SERIES BATTERY P/N

C,D,E,J,K,Z 87-A-60 1980747 C,E,K 89-A-60 1980679 J 89-50 1980834

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.