AI Damage2018 Quantum Fuel Systems LLC. VP Lite: common problems
The maker issued 12 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 12
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 5 |
| Air bags | 0 | 0 | 3 |
| Fuel system | 0 | 0 | 1 |
| Powertrain | 0 | 0 | 1 |
| Service brakes | 0 | 0 | 1 |
| Structure | 0 | 0 | 1 |
| Suspension | 0 | 0 | 1 |
| Wheels | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
Comparison
What to check before buying
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- In severe operating conditions, some sleeves on the bottom of the cylinders positioned over the tractor…
In severe operating conditions, some sleeves on the bottom of the cylinders positioned over the tractor tires may experience accelerated wear. The sleeve that the lower flex plate is secured to can become worn to the…
- An additional cross member or front sill is welded behind the header panel in PRATT chassis, this front…
An additional cross member or front sill is welded behind the header panel in PRATT chassis, this front sill is designed to support the front of the VP container. The front sill is supposed to be flush with the top of…
- Variation in the PRD bracket mounting hole location in the cross member may result in the PRD assembly…
Variation in the PRD bracket mounting hole location in the cross member may result in the PRD assembly installation height being too high resulting in contact between the roof panel and PRD inlet pipe. A revised…
- Frame Mount Cylinder Isolator Replacement
- ITT Regulator PRD Discharge
- OMB Automatic Valve Plunger Failure
- High Voltage Safety Disconnect
- Frame Moiunt End Caps
- Insulation Kit Instructions
- Cylinder Inspection Intervals
- Circle Seal PRD Campaign 14E-013 - Select Circle Seal Pressure Relief Devices sold by Quantum, Product…
- Circle Seal Controls - Safety Recall Withdrawal
Other years of this model
Questions and answers
What are the most common problems with the 2018 Quantum Fuel Systems LLC. VP Lite?
There are no owner complaints in the NHTSA data for this year; the data comes from 12 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2018 Quantum Fuel Systems LLC. VP Lite?
NHTSA lists 12 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 Quantum Fuel Systems LLC. VP Lite from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.