SMU - SECTION 6A8 - REVISED VALVE STEM OIL SEAL. Buick LeSabre 1995

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6A8-REVISED VALVE STEM OIL SEAL INSTALLATION PROCEDURE

MODELS: 1995 BUICK PARK AVENUE, RIVIERA 1995 CHEVROLET CAMARO 1995 OLDSMOBILE EIGHTY EIGHT, NINETY EIGHT 1995 PONTIAC BONNEVILLE, FIREBIRD WITH 3800 ENGINE (VIN K - RPO L36)

VALVE STEM OIL SEAL (ON-VEHICLE SERVICE) (FIGURE 1)

PROCEDURE:

REMOVE OR DISCONNECT

TOOLS REQUIRED:

J38606 VALVE SPRING COMPRESSOR J22794 SPARK PLUG PORT ADAPTER J41512 VALVE GUIDE OIL SEAL INSTALLATION TOOL

1. ROCKER ARM ASSEMBLY. REFER TO SECTION 6A8 IN THE APPLICABLE SERVICE MANUAL. 2. ROTATE ENGINE SO THAT PISTON IN CYLINDER BEING SERVICED IS AT TDC BEFORE REMOVING VALVE KEYS. THIS WILL ELIMINATE THE POSSIBILITY OF THE VALVE ACCIDENTALLY FALLING INSIDE THE CYLINDER. 3. INSTALL J22794 TO SPARK PLUG PORT AND APPLY COMPRESSED AIR TO HOLD THE VALVE CLOSED. 4. COMPRESS VALVE SPRING USING J38606. 5. VALVE KEYS. 6. VALVE CAP AND SPRING. 7. VALVE STEM OIL SEAL BY PRYING UP ON BOTTOM OF SEAL USING A SUITABLE TOOL.

INSTALL OR CONNECT

1. PLACE OIL SEAL OVER VALVE STEM JUST SO SEAL BEGINS TO CONTACT THE VALVE GUIDE.

NOTICE: USE HAND PRESSURE ONLY WHEN INSTALLING VALVE STEM SEAL USING J41512. USING TOO MUCH FORCE MAY CAUSE DAMAGE TO THE OIL SEAL AND POSSIBLY LEAD TO EXCESSIVE OIL CONSUMPTION.

2. PUSH THE VALVE STEM SEAL OVER THE VALVE GUIDE USING J41512. 3. VALVE SPRING AND CAP USING J38606. 4. VALVE KEYS. 5. REMOVE COMPRESSED AIR AND J22794. 6. ROCKER ARM ASSEMBLY. REFER TO SECTION 6A8 IN THE APPLICABLE SERVICE MANUAL.

VALVE STEM OIL SEAL (UNIT REPAIR) (FIGURE 1)

REMOVE OR DISCONNECT

TOOLS REQUIRED:

J38606 VALVE SPRING COMPRESSOR J41512 VALVE GUIDE OIL SEAL INSTALLATION TOOL

1. CYLINDER HEAD. REFER TO SECTION 6A8B IN THE APPLICABLE SERVICE MANUAL. 2. COMPRESS VALVE SPRING USING J38606. 3. VALVE KEYS. 4. VALVE CAP AND SPRING. 5. VALVE STEM OIL SEAL BY PRYING UP ON BOTTOM OF SEAL USING A SUITABLE TOOL.

INSTALL OR CONNECT

1. PLACE OIL SEAL OVER VALVE STEM JUST SO SEAL BEGINS TO CONTACT THE VALVE GUIDE.

NOTICE: USE HAND PRESSURE ONLY WHEN INSTALLING VALVE STEM SEAL USING J41512. USING TOO MUCH FORCE MAY CAUSE DAMAGE TO THE OIL SEAL AND POSSIBLY LEAD TO EXCESSIVE OIL CONSUMPTION.

2. PUSH THE VALVE STEM SEAL OVER THE VALVE GUIDE USING J41512. 3. VALVE SPRING AND CAP USING J38606. 4. VALVE KEYS. 5. CYLINDER HEAD. REFER TO SECTION 6A8B IN THE APPLICABLE SERVICE MANUAL.

FIGURES: 1 ATTACHMENTS: 0

Object Number: 93585 Size: FS

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