1973 Ford Mustang Problems: 2 Known Issues
1973 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1973 Ford Mustang has 2 documented known issues, with 1 rated critical. The most serious is Rust in torque boxes, frame rails, floor pans & trunk drop-offs (unibody structure) ($1,500-$12,000 repair). Across all issues with published estimates, repair costs range from $200 to $12,000. DIY maintenance guides at au7o.io.
1973 · GT · All engines
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All 2 Known Issues
NHTSA Recalls8 recalls
STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
Drake Automotive Group, LLC (Drake) is recalling certain Scott Drake left and right wheel spindles, part numbers C5ZZ-3106-L, C5ZZ-3105-R, C70Z-3106-L, C70Z-3105-R sold for use on 1965-1966 Ford Mustang V8s and 1967-1969 Ford Mustangs (all vehicles with drums). The spindle may fail resulting in the wheel and tire detaching from the vehicle's steering system.
STRUCTURE:FRAME AND MEMBERS
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
SEAT BELTS:FRONT:RETRACTOR
SEAT BELTS:FRONT:RETRACTOR
+ 3 more recalls. Check all on NHTSA.gov
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Frequently Asked Questions
What are the most common Ford Mustang problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1973 Ford Mustang has 2 documented issues. Documented issues include: Rust in torque boxes, frame rails, floor pans & trunk drop-offs (unibody structure), Rear leaf-spring axle wrap & wheel hop under acceleration. Of these, 1 is rated critical and should be addressed promptly.
Is the Ford Mustang reliable?
The 1973 Ford Mustang has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Rust in torque boxes, frame rails, floor pans & trunk drop-offs (unibody structure). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Ford Mustang problems?
Repair costs for known Ford Mustang issues range from $200 to $12,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Rust in torque boxes, frame rails, floor pans & trunk drop-offs (unibody structure), typically costs $1,500-$12,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1965-1973 Ford Mustang Rust in torque boxes, frame rails, floor pans & trunk drop-offs (unibody structure)?
The first-gen Mustang is a unibody car built from thin stamped steel with essentially no factory rustproofing, so the structure that holds the car together rots from the inside out. The worst spots are the front and rear torque boxes (the boxed brackets that tie the frame rails i… Repairs typically run $1,500-$12,000. Severity: high.
What is the 1965-1973 Ford Mustang Rear leaf-spring axle wrap & wheel hop under acceleration?
Ford located the live rear axle in the middle of the leaf spring, so under hard acceleration drive torque winds up (deflects) the soft front half of the spring, which then snaps back — the classic Ford axle-wrap 'wheel hop.' On the torquey V8 cars it spins/hops the tires, hammers… Repairs typically run $200-$1,200. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.