CHALLENGER SERVICE BULLETIN NO 1388.MANFD JULY 20, 1970 TO N OV.12, 1971.FRONT AXLE MANUFACTURED BY ROCKWELL-STANDARD M AY HAVE DEFECTIVE WHEEL STUDS.FAILURE OF STUDS WOULD CAUSE P OSSIBLE LOSS OF WHEEL CONTROL.(CORRECT BYINSTALLING NEW IMP ROVED STUDS.)
1970 Motor Coach Mc5a Recalls
Recalls on record Updated July 2026
The 1970 Motor Coach Mc5a has 1 NHTSA recall campaign affecting an estimated 72 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
Recall campaigns
Defect
Sources & methodology
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1970 Motor Coach Mc5a as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.