Home / CHEVROLET / CONVENTIONAL

Chevrolet Conventional Problems

The Chevrolet Conventional refers to GM's medium-duty truck platform sold primarily as commercial cab-chassis configurations. With 106 complaints and zero reported deaths, this platform served businesses needing customizable work trucks beyond the standard pickup lineup. The Conventional designation covered various configurations including the Kodiak and similar commercial trucks. Reliability depends heavily on maintenance history, as these trucks typically endure commercial service with demanding duty cycles.

106
Total Complaints
0
Total Recalls
8
Model Years
0
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

1998
✓

Best Years

These years have the fewest reported problems.

1994 1995 1996

Common Problem Categories

Visibility 18
Service Brakes, Hydraulic 18
Power Train 12
Engine And Engine Cooling 12
Structure 10

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2003 2 0 0 0 Good
1999 8 0 0 0 Average
1998 40 0 0 0 Avoid
1997 28 0 0 0 Below Average
1996 6 0 0 0 Good
1995 2 0 0 0 Good
1994 6 0 0 0 Good
1993 14 0 0 0 Average

Chevrolet Conventional Years to Avoid

The 1998 model year presents the most documented issues for this platform, coinciding with emissions system updates that created reliability concerns. Models from 1996-1998 experienced increased reports of fuel system problems, particularly with injection components in diesel variants. The CAT and early Duramax diesel engines in certain years required expensive injector replacements before 100,000 miles. Electrical system complexity increased in late-90s models, with wiring harness issues causing intermittent starting and charging problems. The Allison automatic transmission, while generally robust, showed programming issues in 1997-1999 models that affected shift quality under heavy loads.

Best Chevrolet Conventional Years

The 1995 model year offers a good balance of capability and mechanical simplicity for the Conventional platform. Earlier models from 1991-1995 used proven drivetrain combinations with extensive fleet service records. For diesel power, the 1994-1995 6.5L turbo diesel models are straightforward to maintain despite lower power output than later options. The 1995 models also predate OBD-II requirements, making diagnostics and repairs simpler for owner-operators.

Frequently Asked Questions