The 1971 GMC Cm5500 has 2 NHTSA recall campaigns affecting an estimated 21,150 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
GMC CAMPAIGN NO 71-C-6.MEDIUM DUTY TRUCKS AND SCHOOL BUSES W ITH 305C OR 351CV-6 GASOLINE ENGINE.CARBURETOR THROTTLE SHA FT MAY BE EXCESSIVELY WORN ANDCOULD BREAK.THIS WOULD ALLOWTHROTTLE VALVES TO REMAIN IN OPEN POSITIONRENDERING ACCELERAT OR INEFFECTIVE AND MAKING VEHICLE DIFFICULT TO STOP.(CORRECTBY INSTALLING NEW…
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…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1971 GMC Cm5500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.