Toyota has recalled 1996-1998 4Runner trucks because when they are loaded down fully, steering response and handling may be compromised, which can cause a loss of vehicle control. Dealers will replace the rear suspension parts.
 
Recalls
Recalls are issued for cars with safety-related defects or problems
1997 Toyota 4Runner
Toyota Recalls 1996-1998 4Runners Due to Poor Steering Response with Heavy Load
Suspension & Steering, February 28, 2002