Skip to content
Transmission and drivetrainPart report

2004 Chevrolet Express 2500 Transmission and drivetrain Problems

Complaints
3about this part
Share
38%of 8 total for the year
Median mileage
111,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the transmission and drivetrain of the 2004 Chevrolet Express 2500, 38% of the 8 complaints for this model year. Where a mileage was given, the median is 111,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Mysterious coolant leak. Reservoir is low and needs refilling often. Mechanic has performed pressure test to no avail. No coolant on ground at any point. No visible signs of leak. This began right after 2nd cracked flywheel was replaced. At the same time a lifter knock began as well. 1st flywheel was replaced at 103k (3k outside of extended warranty). 2nd flywheel replaced at 143k. Van is kept in mint condition, oil changed every 3k w/o fail. Vehicle seems to be in otherwise terrific condition. 1st and only owner. Date referred to is date of 2nd flywheel crack.”

NHTSA complaint #10336168, filed 2010-06, 103,000 miles

“The contact owns a 2004 Chevrolet EXPRESS 2500. The contact stated whenever at an idle a loud metal to metal noise would emit continuously. The vehicle was taken to an independent mechanic on two separate occasions where the cracked flywheel was replaced each time. The manufacturer was not notified of the problem. The approximate failure mileage was 119,000.”

NHTSA complaint #10533187, filed 2013-08, 119,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2007114%
2005111%
2004338%
200318%

Other parts of the 2004 Chevrolet Express 2500

Brakes
3 complaints
Engine cooling
2 complaints
Electrical system
1 complaints
Equipment
1 complaints

← All problems reported for the 2004 Chevrolet Express 2500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology