Which parts fail
Components named in complaints (struts, shocks, control arms, ball joints, springs).
Owner reports
Selected complaints filed with NHTSA by 1999 Volvo 770 owners, lightly cleaned up (personal details are redacted by NHTSA).
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.
Consumer has problems with shearing u-bolts which have been replaced three times. The front end pops and creeks on slow speed turns. The front springs needed replacing. The dash has to be replaced every year due to excessive vibration. The window was broken and there are electrical problems due to bad grounds in the firewall.
Driver states cab is leaning; left rear u-bolts loose; inside tire cupped; vehicle experienced problems with the front springs and cab air ride height, air ride valve leaks, steer axle hub caps leaks; front end wanders, drag links replaced.
Consumer stated that all u-bolts on front axle broke, causing a loss of drivelines, consumer injured his knees, vehicle was aligned and six months later was off again, front axle is too heavy with a fuel tank and driver.
The cab has been aligned at least 4 times. 4 sets of new steer tires which only last about 60,000 miles. The front hub seals had to be replaced five times.
The spring broke on the vehicle, causing the left steering wheel assembly fell under the truck, took out the engine and caused vehicle to roll on straightaway, consumer was taken to the hospital.
Consumer stated while driving, the rear u-bolts broke, the driver almost wrecked and knocked a place in the pavement where the axle came down.
The vehicle is over weight on the front end, the dealer moved the fuel tank and fifth wheel back, but the problem still exist.
Consumer owns 2 of these vehicles, both are experiencing tire wear problems, one of the trucks has a major vibration in the left front.
NHTSA investigations
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.
Suspension complaints in other 770 years
Frequently asked questions
How common are suspension problems on the 1999 Volvo 770?
NHTSA has 21 complaints about the suspension of the 1999 Volvo 770, 64% of the model year's 33 complaints. The component named most often is front › springs › leaf spring assembly › u-bolt, leaf spring to axle (2 mentions).
Is there a recall for 1999 Volvo 770 suspension problems?
No. NHTSA lists no suspension recall for the 1999 Volvo 770. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
Is it dangerous?
Owners linked 0 crashes, 0 fires and 2 injuries to suspension problems on this model year. If you notice symptoms, have the car checked before driving further.
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.