no more than 1/16smaller than the hole in the ball mount.

￿The threaded shank of the hitch ball must be long enough to be properly secured to the ball mount. There should be at least 2 threads showing beyond the lock washer and nut.

Class I hitch

Class I trailer hitch equipment (receiver, ball mount and hitch ball) can be used to tow trailers of a maximum weight of 2,000 lb (909 kg).

You may add Class I trailer hitch equipment to the vehicle that has a 2,000 lb (909 kg) maxi- mum weight rating, but your vehicle is only capable of towing the maximum trailer weights shown in the Towing Load/Specification Chart earlier in this section.

CAUTION

￿Do not use axle-mounted hitches.

￿The hitch should not be attached to or affect the operation of the impact- absorbing bumper.

￿Do not modify the vehicle exhaust system, brake system, etc. to install a

9-20Technical and consumer information

trailer hitch.

￿To reduce the possibility of addi- tional damage if a vehicle is struck from the rear, where practical, re- move the hitch and/or receiver when not in use.

￿After the hitch is removed, seal the bolt holes to prevent exhaust fumes, water or dust from entering the pas- senger compartment.

￿Regularly check that all trailer hitch mounting bolts are securely mounted.

Tire pressures

￿When towing a trailer, inflate the ve- hicle tires to the recommended cold tire pressure indicated on the Tire and Loading Information label.

￿Trailer tire condition, size, load rating and proper inflation pressure should be in accordance with the trailer and tire manufacturers’ specifications.

Safety chains

Always use a suitable chain between a vehicle and the trailer. The safety chain should be crossed and should be attached to the hitch, not to the vehicle bumper or axle. Be sure to leave enough slack in the chain to permit turning corners.

Trailer lights

CAUTION

When splicing into the vehicle electrical system, a commercially available power-type module/converter must be used to provide power for all trailer lighting. This unit uses the vehicle bat- tery as a direct power source for all trailer lights while using the vehicle tail light, stoplight and turn signal circuits as a signal source. The module/ converter must draw no more than 15 milliamps from the stop and tail lamp circuits. Using a module/converter that exceeds these power requirements may damage the vehicle’s electrical system. See a reputable trailer dealer to obtain

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Nissan Z33-D owner manual Class I hitch, Tire pressures, Safety chains, Trailer lights