2001 Volvo VN660 Transmission and drivetrain Problems
- Complaints
- 5about this part
- Share
- 71%of 7 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the transmission and drivetrain of the 2001 Volvo VN660, 71% of the 7 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.
“Consumer stated there was a severe noise in the transmission, dealer found transmission cooler severely leaking, causing damage to all gearing in the front box and front 3 gears, dealer rebuilt the transmission and replaced the transmission cooler, the cooler has failed 4 times.”
NHTSA complaint #565364, filed 2002-05“Consumer explains the auto shift on vehicle changes on it's own. Vehicle has been to several repair shops but to no avail. Loose connections in the transmission have been replaced numerous times. A speed sensing module was also replaced on the transmission.”
NHTSA complaint #565365, filed 2002-06“Consumer stated that the truck had transmission problems, however the manufacturer of the transmission says it is an engine problem and the manufacturer for the engine says it is a transmission problem.”
NHTSA complaint #565596, filed 2002-05“The driver tires show abnormal wear, the vehicle experienced abnormal drive train vibration. The front axle sounds like its going to fall off when driving over a bump, also there is a u-bolt problem.”
NHTSA complaint #565026, filed 2001-08“Transmission will shift erratically, it will sometimes shift from high to low or to neutral, when vehicle is at idle it sometimes will go into gear by itself without the driver having to do anything.”
NHTSA complaint #558455, filed 2000-12Related service bulletins
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Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2001 | 5 | 71% |
| 2000 | 2 | 13% |
Other parts of the 2001 Volvo VN660
2 complaintsElectrical system
1 complaintsEngine cooling
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2001 Volvo VN660
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