3 recalls found. |
DEFECT #1 - WHEELS
Posted on: 1979-10-12
Description
Consequence
Corrective Action
Notes
Possibility that trucks may have been assembled with either 16 x 6.00 two-pieceor 16.5 x 8.25 one- piece wheels which have obvious cracks outside mountingbolt circle in wheel disc.if this condition exists, cracks may progress withprolonged vehicle operation and cause wheel failure which could result in lossof vehicle control.(correct by replacing wheel where necessary.)
DEFECT #2 - SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Posted on: 1979-10-12
Description
Consequence
Corrective Action
Notes
Chevrolet campaign no 71-c-18.gmc campaign no 71-c-10.exce pt rpo h-22w/11,000 axle.possibility that power brake vacuu m cylinder (booster can)and/or attaching brackets may developfatigue cracks.if bracket cracks,could permit excessive mo vement of brake cylinder assembly.continuedoperation couldcrack front hydraulic brake resultant loss of brake fluid in part of dual braking system.braking system.(correct by repl acing componentswhere necessary.)
DEFECT #3 - SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS
Posted on: 1979-10-12
Description
Consequence
Corrective Action
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 hexhead fitting assembly which does not make proper contact withendofbooster slave cylinder.this could cause brake fluid toleak from end ofbooster slave cylinder.loss of brake fluidwould result in low brake pedaland cause complete loss of br aking action.(correct by replacing with newimproved nut.)