The worst 1993 Freightliner FLB problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 5
Exterior lighting: turn signal: switch
- What is wrong
- Vehicle description: heavy duty truck. The shoulder bolt which holds the grote turn signal switch case and components together can loosen resulting in the turn signal malfunctioning.
- Risk
- If the turn signal function is lost, following motorists would not be aware of the turning vehicle, increasing the risk of a vehicle crash.
- Remedy
- Dealers will inspect these vehicles and tighten any loose bolts and in the turn signal switch within 2 years from the date of the recall notification letter. The shoulder bolt will be removed, cleaned, and reinstalled with loctite. Owners can also request loctite and repair instructions so they can fix the vehicles themselves.
Recall number 97V114001 · Recall details
Engine and engine cooling: cooling system: fan
- What is wrong
- Vehicle description: heavy duty trucks equipped with horton fan drives. The fan drive control system was reconfigured which resulted in a significant increase in the demand for fan activation and associated stress to electrical and mechanical components. Various component failure models, combined with characteristics of the fan clutch and its bearings, can cause fan clutch bearings to fail prematurely and result in a locked fan.
- Risk
- If the fan is locked, the the system calls for the fan to be on, the fan clutch will slip, generate heat, and unless released, will result in a fire.
- Remedy
- Dealers will replace the fan clutch drive disc with one that incorporates a thermally activated pressure relief.
Recall number 96V232000 · Recall details
Electrical system: wiring
- What is wrong
- A larger than specified screw was used to mount a power junction stud block to the passenger side of the engine tunnel. The larger screw did not allow adequate clearance between the screw head and the ring terminals which attach to the stud. Contact between the ring terminals and the screw head can cause an electrical short circuit.
- Risk
- Electrical short circuits in the engine compartment can lead to possible fires without prior warning.
- Remedy
- Correct size mounting fasteners will be installed to replace the oversize screws. These will be recessed into the mounting block and cannot come into contact with the ring terminals.
Recall number 94V068000 · Recall details
Power train: driveline: universal joint
- What is wrong
- The driveline u-joints exhibit excessive rates of failure at low mileages and may cause separation of the interaxle driveline.
- Risk
- Separation of the interaxle driveline may result in thedriveline falling to the road where it can interfere with traffic and resultin an accident.
- Remedy
- Freightliner dealers will remove and replace the rockwell interaxle u-joints with u-joints of a different design.
Recall number 93V202000 · Recall details
Visibility: defroster/defogger/HVAC system: heater core
- What is wrong
- The heater/defroster door can become stuck in the heater mode due to the door over-traveling the door stop, impeding the defroster portion of the system from working.
- Risk
- If this occurs, and the windshield becomes fogged, itwill impair the driver's vision of the road and traffic, which may cause anaccident.
- Remedy
- Dealers will install a positive door stop.
Recall number 93V191000 · Recall details
Technical service bulletins for the 1993 Freightliner FLB 4
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
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Questions about the 1993 Freightliner FLB
Is the 1993 Freightliner FLB reliable?
Owners have filed 0 complaints about the 1993 Freightliner FLB.
What is the most common problem with the 1993 Freightliner FLB?
There are not enough complaints to tell.
How many recalls does the 1993 Freightliner FLB have?
5 recalls, covering exterior lighting, engine and engine cooling and electrical system.
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