Vehicle recall 73V153000 · July 18, 1973

Mack R, RD and 2 more models

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Notes: Mack trucks campaign no n/a.manuf'd FEB.1971 thru June 1973.TRUCKS.POSSIBILITY that the electric horn mounting bracket could crack and fail.ifthis condition exists the horn could interfere with steering shaft universaljoint and cause steering lockup in a left hand turn situation.(correct byinspecting and replacing horn assembly with improved type bracket).

Recall details

NHTSA campaign: 73V153000
Reported to NHTSA: July 18, 1973
Filed by: MACK TRUCKS, INCORPORATED
Owner notification: October 22, 1973
Vehicles potentially affected: 1,285
Initiated by: the manufacturer
Components: Electrical system › Horn

Recall 73V153000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Mack R (1971-1973): 1973, 1972, 1971
Mack RD (1971-1973): 1973, 1972, 1971
Mack RL (1971-1973): 1973, 1972, 1971
Mack RS (1971-1973): 1973, 1972, 1971

Has your Mack been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

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