2005 Toyota 4Runner Owners Manual - Page 743

'05 4Runner_U (L/O 0504) Also for weight distributing hitch 1GR- FE engine Two- wheel drive models 304 kg (670 lb.) Four- wheel drive models 290 kg (640 lb.) 2UZ- FE engine Two- wheel drive models 331 kg (730 lb.) Four- wheel drive models 317 kg (700 lb.) Never load the trailer with more weight in the back than in the front. About 60% of the trailer load should be in the front half of the trailer and the remaining 40% in the rear. HITCHES D If you wish to install a trailer hitch, you should consult with your Toyota dealer. CAUTION Do not tow the vehicle using the hooked portion of the weight carrying hitch. The hooked portion may break and cause serious injury or damage to the vehicle. D Use only a hitch recommended by the hitch manufacturer and the one which conforms to the total trailer weight requirement. D According to the hitch receiver type, the maximum gross trailer weight and hitch that can be used differs. Refer to the above illustrations to confirm the hitch receiver type for your vehicle. NOTICE z Do not install weight distributing hitch to weight carrying hitch receiver because it will be damaged your vehicle. z Do not use axle- mounted hitches as they can cause damage to the axle housing, wheel bearings, wheels or tires. Also, never install a hitch which may interfere with the normal function of an Energy Absorbing Bumper, if so equipped. D If you wish to install an aftermarket hitch, the hitch must be bolted securely to the vehicle frame and installed according to the hitch manufactures' instructions. D The hitch ball and king pin should have a light coat of grease. D Toyota recommends the ball mount assembly be removed when not towing to prevent injury and to prevent damage in the event of a rear end collision. After removing the ball mount assembly, install the grommet to the hitch to prevent entry of dirt and mud. 319