INFORMATION DISTRIBUTOR SERVICE KITS. Chevrolet Blazer

SUBJECT: INFORMATION ON DISTRIBUTOR SERVICE KITS

MODELS: 1995 CHEVROLET AND GMC S/T UTILITY MODELS WITH 4.3L OBDII ENGINES ONLY (VIN W - RPO L35) 1996 CHEVROLET AND GMC C/K, M/L, S/T, P, G 1996 OLDSMOBILE BRAVADA 1997 CHEVROLET AND GMC C/K, M/L, S/T, P, G 1997 OLDSMOBILE BRAVADA WITH 4.3L, 5.0L, 5.7L, 7.4L ENGINES (VINS W, X, M, R, J - RPOS L35, LF6, L30, L31, L29)

SERVICE KITS ARE NOW AVAILABLE TO FIELD SERVICE DISTRIBUTOR ASSEMBLIES.

IMPORTANT: FASTENING SCREWS HAVE PRE-APPLIED THREAD LOCKING ADHESIVE AND SHOULD BE DISCARDED AFTER REMOVAL.

1995 4.3L L35 OBDII DISTRIBUTOR ASSEMBLIES ARE NOW SERVICED WITH 1996 DISTRIBUTOR ASSEMBLIES (P/N 1104050). INSTALLATION INSTRUCTIONS ARE INCLUDED WITH EACH REPLACEMENT ASSEMBLY AND MUST BE FOLLOWED.

THE FOLLOWING SERVICE KITS ARE NOW AVAILABLE:

IMPORTANT: REMOVED FASTENERS ARE NOT TO BE RE-USED. ALWAYS USE THE NEW FASTENERS SUPPLIED IN EACH KIT.

SERVICE MODEL ENGINE/ KIT YR(S) RPO KIT CONTENTS P/N ------- -------- ----------- ------------ -------- DISTRIBUTOR 1995,-96 4.3L LF6/ CAP, 2 CAP 10477311 CAP -97, L35 V6 SCREWS

DISTRIBUTOR 1995,-96 5.0L/L30 V8 CAP, 2 CAP 10477599 CAP -97 5.7L/L31 SCREWS 7.4L/L29

ROTOR 1995,-96 ALL V6 ROTOR, 2 CAP 10489702 -97, AND V8 SCREWS, 2 ROTOR SCREWS

CAM 1995,-96 ALL V6 CAM SENSOR, 10490645 SENSOR -97 AND V8 2 CAM SENSOR SCREWS, 2 ROTOR SCREWS, 2 CAP SCREWS

GASKET 1995,-96 ALL V6 DISTRIBUTOR 10475923 -97 AND V8 GASKET

GEAR 1995,-96 ALL V6, GEAR, PIN, 10457356 -97 5.0L L30 WASHER TANG, 5.7L L31 WASHER V8

GEAR 1996,-97 7.4L L29 GEAR, PIN, 10457355 V8 INSULATING WASHER, WASHER TANG, WASHER

REPL. CAP 1995,-96 ALL V6 AND PKG. OF 10 10475922 SCREWS,CAM -97 V8 SCREWS SENSOR SCREWS

REPL. 1995,-96 ALL V6 AND PKG. OF 10 10475924 ROTOR -97 V8 SCREWS SCREWS

SERVICE 1995,-96 ALL V6 AND PKG. OF 2 10457666 CAP SCREWS -97 V8 CAP SCREWS (FOR STRIPPED DISTRIBUTOR BASES ONLY)

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PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR CODE/ ENGINE LABOR TIME OPERATION RPO C/K S/T M/L G P ---------- ------- ----- ----- ----- ----- ----- J4530 # LF6/L35 0.5 0.4 0.6 0.5 0.5 DISTRIBUTOR L30/L31 0.5 N/A N/A 0.8 0.5 REPLACE L29 0.8 N/A N/A 0.8 0.8

J4350 # LF6/L35 0.5 0.4 0.7 0.6 0.5 REPLACE L30/L31 0.5 N/A N/A 0.6 0.5 CAM SENSOR L29 0.8 N/A N/A 0.8 0.8

J4360 # LF6/L35 0.3 0.2 0.5 0.5 0.3 REPLACE L30/L31 0.3 N/A N/A 0.5 0.3 CAP L29 0.6 N/A N/A 0.8 0.6

J4380 # LF6/L35 0.3 0.3 0.5 0.5 0.3 REPLACE L30/L31 0.3 N/A N/A 0.5 0.3 ROTOR L29 0.7 N/A N/A 0.8 0.7

J4485 LF6/L35 0.6 0.4 0.6 0.6 0.6 REPLACE L30/L31 0.6 N/A N/A 0.9 0.6 GEAR L29 0.8 N/A N/A 0.8 0.8 NOTE: N/A = NOT APPLICABLE # = ADD 0.0 - 0.3 HR. FOR DIAGNOSIS TIME

FUTURE LABOR TIME GUIDES WILL BE UPDATED.

FIGURES: 1 ATTACHMENTS: 0

FIG. 1 DISTRIBUTOR COMPONENTS LEGEND

1 - CAP (V8 SHOWN) 8 - WASHER 2 - CAP SCREWS 9 - WASHER TANG 3 - ROTOR SCREWS 10 - INSULATING WASHER 4 - ROTOR (RPO L29 ONLY) 5 - SHAFT (NOT AVAILABLE) 11 - BASE (NOT AVAILABLE) 6 - PIN 12 - CAM SENSOR 7 - GEAR 13 - CAM SENSOR SCREWS

Object Number: 169495 Size: FS

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.