1976 Mack RL Recalls, Complaints & Specs
5 safety recalls list the 1976 Mack RL. Check your own VIN below.
5 safety recalls for the 1976 Mack RL
Most recent first. Recall repairs are free at any authorised dealer. Click a recall for the full defect, consequence and remedy text.
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Steering wheel/handle bar (steering)
In the involved trucks it is possible the adjustable steering column rear mounting bracket could fail, allowing steering wheel assembly to fall down onto the operator"s lap.
Remedy: Dealer will install an additional bracket in this area to prevent the steering wheel from dislocating in the event of a bracket failure.
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Service brakes, air: control unit/module
An axle "no brake" condition could result from an eaton controller internal electrical malfunction. This condition may cause the anti-wheel lock valve solenoid to be continuously energized and prevent the brakes from being applied on one of the axles. As a result, the anti-wheel lock warning lamp is not activated.
Remedy: The dealer will inspect and, if necessary, replace the anti-wheel lock controller without charge to owner.
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Hoses, lines/piping, and fittings (service brakes)
A design deficiency exists in the air dryer piping in the area of the pressure relief valve and compressor governor control link. Moisture is passed and builds up in this relief valve and control line. In freezing ambient temperatures, this moisture may freeze, allowing the chassis air system pressure to exceed 150 PSI. Excessive air…
Remedy: The dealer will relocate the air system compressor governor line and pressure relief valve to eliminate moisture accumulation.
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Fan (engine and engine cooling)
The flex blade fans on the involved vehicles may develop cracks in the laminated stiffener as a result of fatigue during operation. If such a condition exists and the cracks go undetected, continued operation could cause pieces of the stiffener to break off.
Remedy: Dealer will replace the original fan with a steel fixed blade fan, free of charge.
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Multi piece (wheels)
The front wheel aluminum hubs on the involved vehicles may be subject to cracks which may progress circumferentially around the barrel of the hub. This could lead to a fracture in the "barrel" position of the hub and complete hub failure.
Remedy: Dealer will install steel hubs in place of aluminum hubs without charge to owner.
No owner complaints on file
NHTSA has no owner complaints on file for the 1976 Mack RL. For context, the average model year in NHTSA's database has dozens; a zero can mean a reliable vehicle, a rare one, or both.
Compare Mack RL model years
Recall and complaint counts for every Mack RL model year in NHTSA's database.
| Model year | Recalls | Complaints |
|---|---|---|
| 1966 Mack RL | 1 | 0 |
| 1967 Mack RL | 1 | 0 |
| 1968 Mack RL | 3 | 0 |
| 1969 Mack RL | 4 | 0 |
| 1970 Mack RL | 5 | 0 |
| 1971 Mack RL | 8 | 0 |
| 1972 Mack RL | 5 | 0 |
| 1973 Mack RL | 3 | 0 |
| 1974 Mack RL | 8 | 0 |
| 1975 Mack RL | 8 | 0 |
| 1976 Mack RL | 5 | 0 |
| 1977 Mack RL | 8 | 0 |
| 1978 Mack RL | 5 | 0 |
| 1979 Mack RL | 3 | 0 |
Checking a specific 1976 Mack RL
How do I know if my 1976 Mack RL has an open recall?
Enter your 17-character VIN above. The VIN is on the driver's side dashboard (visible through the windshield), the driver's door jamb sticker, and your registration or insurance card. The check runs against NHTSA's live database and tells you which campaigns list your vehicle. 5 campaigns currently list the 1976 Mack RL; your car may already have been repaired under some of them.
Is the recall repair free?
Yes. Under federal law, manufacturers must fix safety recalls at no charge for vehicles up to 15 years old from the date of sale to the first owner. Contact any authorised Mack dealer with your VIN and the NHTSA campaign number (for example 77V149000).
What is the difference between a recall and a complaint?
A recall is a safety campaign filed by the manufacturer or ordered by NHTSA, with a defined defect and remedy. A complaint is a report an owner sent to NHTSA; it is not verified, but patterns of complaints are what trigger NHTSA investigations and, eventually, recalls.
Other Mack models
- Mack28 complaints
- Anthem (an)12 complaints
- Granite (gr)9 complaints
- CXU6127 complaints
- Ch6 complaints
- Gu6 complaints
- CH6005 complaints
- Cxu5 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.