2001 Freightliner Conventional Engine cooling Problems
- Complaints
- 1about this part
- Share
- 14%of 7 total for the year
- Median mileage
- 43,971miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2001 Freightliner Conventional, 14% of the 7 complaints for this model year. Where a mileage was given, the median is 43,971 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.
“2000/2001 Freightliner school buses with the cat 3126 engine the injection pump high pressure oil feed line may burst causing engine failure or possible fire from spraying oil onto engine. We have had 16 occurances of this failure so far. One bus has had 2 failures.”
NHTSA complaint #10007849, filed 2003-02, 43,971 milesRelated service bulletins
- 10141699Feb 26, 2018sb2059 Replacing Push-to-Connect Air Line Fittings with Brass Compression Fittings
- 10141698Feb 26, 2018sb2058 Early EPA07 QLD Radiator Replacement
- 10141692Feb 26, 2018sb2051 Radiator Surge Tank Vent Line Plumbing
- 10141676Feb 26, 2018sb2034 Fan Shroud Interference on FLD Vehicles
- 10141675Feb 26, 2018sb2032 Gates PowerGrip Hose Clamps, Replacement
- 10141674Feb 26, 2018sb2031 Horton Fan Clutches with 32-Inch Fans
- 10141672Feb 26, 2018sb2028 Engine Coolant Changes
- 10141671Feb 26, 2018sb2027 Index K7W Fan Control Kit Function Check
- 10141670Feb 26, 2018sb2026 Fan Radiator Interference
- 10141669Feb 26, 2018sb2024 Horton Fan Clutch Changes
Engine cooling: other model years
Other parts of the 2001 Freightliner Conventional
2 complaintsEngine
1 complaintsEquipment
1 complaintsFuel system
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2001 Freightliner Conventional
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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