CHEVROLET C40 RECALLS

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1971 CHEVROLET C40 Recall

Item Affected: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS

Date Announced: 03/24/1971

Description of Recall:

Conequence:

Action Need To Fix It:

Notes: CHEVROLET BULLETIN NO 71-C-7. GMC BULLETIN NO 71-C-4 AND 71-C -4A. TRUCKS ANDSCHOOL BUSSES WITH BENDIX VACUUM HYDRAULIC BR AKES, TRUCKS WITH VACUUM BOOSTEDBRAKES. POSSIBILITY THAT SIN GLE BENDIX VACUUM HYDRAULIC BRAKE SYSTEM MAY HAVEEND CAP HEX HEAD FITTING ASSEMBLY WHICH DOES NOT MAKE PROPER CONTACT WITH ENDOFBOOSTER SLAVE CYLINDER. THIS COULD CAUSE BRAKE FLUID TO LEAK FROM END OFBOOSTER SLAVE CYLINDER. LOSS OF BRAKE FLUID WOULD RESULT IN LOW BRAKE PEDALAND CAUSE COMPLETE LOSS OF BR AKING ACTION. (CORRECT BY REPLACING WITH NEWIMPROVED NUT. )


1970 CHEVROLET C40 Recall

Item Affected: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Date Announced: 08/12/1970

Description of Recall:

Conequence:

Action Need To Fix It:

Notes: POSSIBILITY THAT COVER ON DUAL HY- DRAULIC BRAKE MASTER CYLINDER MAY BECOMEDISTORTED DUE TO EXCESSIVE TIGHTENING OF ATTACHMENT BOLT. IF THIS CONDITIONEXISTS, BRAKE FLUID MAY LEAK FROM UNDER COVER AND EXCESSIVE LOSS OF BRAKE FLUIDCOULD RESULT IN REDUCED BRAKE EFFICIENCY. (CORRECT BY REPLACING WITH NEWIMPROVED TYPE COVER.)


1969 CHEVROLET C40 Recall

Item Affected: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Date Announced: 08/12/1970

Description of Recall:

Conequence:

Action Need To Fix It:

Notes: POSSIBILITY THAT COVER ON DUAL HY- DRAULIC BRAKE MASTER CYLINDER MAY BECOMEDISTORTED DUE TO EXCESSIVE TIGHTENING OF ATTACHMENT BOLT. IF THIS CONDITIONEXISTS, BRAKE FLUID MAY LEAK FROM UNDER COVER AND EXCESSIVE LOSS OF BRAKE FLUIDCOULD RESULT IN REDUCED BRAKE EFFICIENCY. (CORRECT BY REPLACING WITH NEWIMPROVED TYPE COVER.)


1968 CHEVROLET C40 Recall

Item Affected: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Date Announced: 11/30/-0001

Description of Recall:

Conequence:

Action Need To Fix It:

Notes: POSSIBILITY THAT SEAL ON PISTON IN MASTER BRAKE CYLINDER MAY, AFTER EXTENDEDUSAGE, ALLOW BRAKE FLUID TO PASS SEAL PERMITTING BRAKE PEDAL TO BE PUSHED TOFLOOR IN A SLOW GRADUAL STOP OR UPON THE FIRST AP- PLICATION OF BRAKES AFTERVEHICLE HAS BEEN STANDING FOR A PERIOD OF TIME. IS ALSO A POSSIBILITY THATINNER LINER OF VACUUM HOSE WHICH CONNECTS TO BRAKE VACUUM BOOSTER MAY COLLAPSE,CAUSING LOSS OF POWER BRAKE ASSIST. (CORRECT BY INSTALLING NEW PARTS IN BRAKEMASTER CYLINDER AND MODIFYING VACUUM HOSE ROUT- ING.)


1967 CHEVROLET C40 Recall

Item Affected: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Date Announced: 11/30/-0001

Description of Recall:

Conequence:

Action Need To Fix It:

Notes: POSSIBILITY THAT SEAL ON PISTON IN MASTER BRAKE CYLINDER MAY, AFTER EXTENDEDUSAGE, ALLOW BRAKE FLUID TO PASS SEAL PERMITTING BRAKE PEDAL TO BE PUSHED TOFLOOR IN A SLOW GRADUAL STOP OR UPON THE FIRST AP- PLICATION OF BRAKES AFTERVEHICLE HAS BEEN STANDING FOR A PERIOD OF TIME. IS ALSO A POSSIBILITY THATINNER LINER OF VACUUM HOSE WHICH CONNECTS TO BRAKE VACUUM BOOSTER MAY COLLAPSE,CAUSING LOSS OF POWER BRAKE ASSIST. (CORRECT BY INSTALLING NEW PARTS IN BRAKEMASTER CYLINDER AND MODIFYING VACUUM HOSE ROUT- ING.)



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