1998 Volvo VN770 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 8%of 26 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 1998 Volvo VN770, 8% of the 26 complaints for this model year.
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.
“Wiring harness under dash has experienced continued problems causing electrical malfunctions, power problems and shorts causing burning smell. Mjs. Consumer is also have steering wheel locks up while making turns, wheels have fallen off, trucks have caught fire, and also guages go off while going down the road, therefore consumer has to pull over because he does not know what his air pressure is or the speed.”
NHTSA complaint #549610, filed 1999-11“Consumer stated prior to picking up the vehicle, he requested to have the tanks moved backward and move the 5th wheel to the last mounting hole, because the truck was overweight, therefore putting additional weight on the steer tires.”
NHTSA complaint #565919, filed 2002-05Related service bulletins
- 10215281Jun 21, 2022Programming Failure - Chassis With Cummins Engine And An Allison Transmission
- 10215282Jun 3, 2022DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
- 10215279Jun 3, 2022NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10215271Jun 3, 2022DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10215270Jun 3, 2022Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
- 10213631May 26, 2022DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
- 10213514May 17, 2022Volvo Chassis - Bendix ABS6 TO ABS8 Service Information
Engine cooling: other model years
Other parts of the 1998 Volvo VN770
10 complaintsBody and structure
8 complaintsElectrical system
7 complaintsTransmission and drivetrain
7 complaintsSteering
5 complaintsTires
5 complaintsEquipment
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsOther or unknown
3 complaintsAir bags
1 complaintsFuel system
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 1998 Volvo VN770
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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