AUTO SPRING KITS
Nissan Xterra 
REAR ADD-A-LEAF 
INSTALLATION INSTRUCTIONS
2005-2014 Nissan Xterra

TOOLS REQUIRED                   WWW.AUTOSPRINGCORP.COM                                                               
									TECH SUPPORT CONTACT
FLOOR JACK								
JACK STANDS						Phone: 800-345-0431
METRIC AND US SOCKETS				FAX:   208-362-6310       
TORQUE WRENCH						ADDRESS: 8007 W. MOSSY CUP ST
		                                		BOISE, IDAHO 83709                                                                      

1.   Before beginning, read the instructions completely.
2.   Jack up the rear of the vehicle enough to lift the rear tires off the ground 
	and support frame with jack stands
3.   Remove the rear tires.
4.   Place floor jack under rear axle housing and support rear-end.
5.   Remove factory u-bolts and lower shock bolt on one side only.
6.   Raise the rear end housing with floor jack to allow the spring to separate 
	from the axle spring seat. Leaf springs are under-slung on the Xterra. 
7.   Raise the rear end 6-8 inches between the spring and axle seat to allow 
	The removal and install of the new spring center-bolt.
8.   Using a vise grip on the upper head of the center-bolt and socket on the 
	nut remove spring center bolt and discard
9.   Insert the new center bolt provided.  Install the add-a-leaf between the 
	factory overload leaf(thick tapered bottom leaf) The thick overload leaf 
	is still your bottom leaf!!
10.  Clamp the add-a-leaf and tapered overload leaf up to the main spring pack 
	and tighten the center-bolt to 35 ft lbs.  
11.  Lower the rear end up enough to allow the spring center-bolt head to fit 
	in axle spring seat.
12.  Install factory u-bolts provided and torque nuts to 85 ft. lbs.  
	Reinstall lower shock bolt and torque to 85 ft lbs.
13.  Repeat install procedure on opposite side.  You can leave the extra 
	threads sticking above the center-bolts or cut them off flush with the 
	nut. Owner preference.
14.  Re-install rear tires and tighten lug nuts and carefully lower the vehicle 
	to the ground.
15.  Re-torque the lug nuts to factory OEM specs.

Re-torque all nuts after 300 miles