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 GMC S4500 Recalls
The 1969 GMC S4500 has 2 NHTSA recall campaigns affecting an estimated 46,950 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
Recall campaigns
POSSIBILITY THAT DURING OPERATION STEEL BRAKE LINE AT REAR AXLE COULD CHAFE ONLEFT REAR SHOCK ABSORBER, AND THAT FRONT BRAKE HOSES ON SCHOOL BUSES MAYCONTACT TIRE, SHOCK ABSORBER OR STEERING ARM.CONTINUED CHAFING COULD WEARHOLE IN HOSE OR LINE AT POINT OF CONTACT, CAUSING LOSS OF HYDRAULIC BRAKEFLUID.(CORRECT BY…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1969 GMC S4500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.