Most common 1999 Volvo 770 problems
Share of the 33 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Volvo 770 complaints by model year
NHTSA defect investigations
Federal safety investigators have looked into 4 possible defects involving the 1999 Volvo 770:
Steering axle u-bolt
Steering gearbox or u-joint
Sleeper berth fires
Front suspension u-bolts loosen or break
Odi'sinvestigation did not find any evidence that loose or brokenfront suspension u-bolts have caused or contributed to any crashes or near miss events.see the attached engineering analysisreport for full technical details.* 1996/1997 built vehicles are designated by Volvo as 1998 model year.
What 1999 Volvo 770 owners say
Suspension all 21 →
Fawr 12,349. Received recall to replace tires and rims. Currently has kelly 285/75r24.5 on veh single max load 6175, 5th wheel assy has been moved. Blew a left front steer tire and it did a couple thousand dollars worth of damage, he thinks he May have hit something, replaced 3 sets of steer tires for a cupping problem the gen set was added after sale by the dealer. Always exceeds 12,600 on bront steer plus has to run aft of zero or center on kingbin just to get weight down close to 12000 bu cant get under. This gen set with the location doesn't add a who lot of wgt to steers.
The u-bolt(s) has been a problem, one of the axles had broken while driving causing the tires to smoke and the shock to hang down. (Volvo replaced all axles and tires) the wiring harness has been a problem as well, the dash lights the circuit braeker frequently.
Electrical system
Consumer experiencing problems with the wiring harness under the dash, which caused a fire, gauges were erratic and cab controller ECU failed. Experienced other electrical problems with the battery which seems to be lasting 15 months. The alternator has been replaced 7 times. Gearbox sensor failed, consumer noticed fuses missing after possession of the truck.
The u-bolt(s) has been a problem, one of the axles had broken while driving causing the tires to smoke and the shock to hang down. (Volvo replaced all axles and tires) the wiring harness has been a problem as well, the dash lights the circuit braeker frequently.
Transmission & drivetrain
Driver states transmission is overheating, no problem found; clutch vibration under power, clutch servio boot torn; found clevis and lever worn, replaced lever, transmission cooler line leaking.
Consumer states there was play in the drive shaft. On another occasion, there were air leaks at the gear stick splitter.
Frequently asked questions
Is the 1999 Volvo 770 a good car?
Based on 33 owner complaints filed with NHTSA, the 1999 770 rates average: about as many complaints as a typical year of the 770 at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 1999 Volvo 770?
The suspension — 21 complaints, 64% of all complaints for this model year, most often about front › springs › leaf spring assembly › u-bolt, leaf spring to axle. Next are the electrical system (13) and transmission & drivetrain (12).
How many recalls does the 1999 Volvo 770 have?
NHTSA lists no recalls for the 1999 Volvo 770. You can still confirm with your VIN using our VIN recall check.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.