The problem
Certain medium duty c-series and b7 school bus chassis equipped with a 7.4 liter gas engine and an impco lpg conversion kit. Some of these vehicles May have engine backfires with sufficient force to damage the engine air intake system and the air cleaner filter element.
The risk
If the damaged air cleaner parts are dislodged from their normal position, these parts could come in contact with the hot exhaust manifold and/or hot exhaust gas recirculation (EGR) valve tube resulting in a possible engine compartment fire.
The fix
Dealers will install a redesigned mixer bonnet and air cleaner housing cover, selective upgrades in various connections related to the air induction system, and if needed, a new air cleaner filter. Owner notification began December 18, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact Chevrolet at 1-800-222-1020 or GMC at 1-800-462-8782.
Recall details
| NHTSA campaign | 02V-287 (02V287000) |
|---|---|
| Manufacturer number | 02044 |
| Manufacturer | General Motors, LLC |
| Component | Engine and engine cooling › Engine › Gasoline |
| Report date | November 4, 2002 |
| Owners notified | December 18, 2002 |
| Vehicles affected | 2,011 |
| Initiated by | Manufacturer |
Vehicles covered
Frequently asked questions
Is the recall 02V-287 repair free?
Yes. Chevrolet dealers will fix the problem at no cost: Dealers will install a redesigned mixer bonnet and air cleaner housing cover, selective upgrades in various connections related to the air induction system, and if needed, a new air cleaner filter. Owner notification began December 18, 2002.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 2,011 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.