shocks rear 2007 se - Nissan Armada Forum: Armada & Infiniti QX56 Forums
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post #1 of 3 Old 03-18-2017, 10:01 PM Thread Starter
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shocks rear 2007 se

i have a se armada 2007 that is sagging in the rear. when i tow. 125k, what shocks will work for non autoleveling. want to get a little lift too was looking at firestone air bags in springs
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post #2 of 3 Old 03-20-2017, 03:02 PM
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it is normal for rear to sag when towing. half to 1" is optimal. but with all cars I've got, usually get up to 2" towing a car trailer and not using weight distribution hitch.

few fixes if sag is too much:
1. use a weight distribution hitch. this is best solution.
2. use airbag. decent solution, but it doesn't change the weight distribution
3. taller spring - but that means taller rear height when not towing.
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post #3 of 3 Old 05-05-2017, 06:16 PM
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If you get the firestone airbags (I did), call and tell the guy you want the same diameter air bags as the book calls for, for the Armada, but you want the bags that are one inch taller. That way, when you fill them, there won't be any bag to spring space at the top and bottom of the spring.
Next, current air bags (all inside the coil spring manufacturers) have junky push to connect fittings. You'll have to repressurize them every other day. I cut a 14" section of the airline, inverted the bag, and sealed the airline entry to the bag with JB Weld. Inverted for gravity assist of the JB Weld working into the nooks and crannies. Went to Ace Hardware, got some brass compression fittings to connect the air lines back together at the 14" mark after install into the coils. Installed them per instruction side up, air line at bottom. That increased the repressurization interval from daily to weekly. Since I'm lazy, and my Firestone airbags I had in my '77 didn't need to be repressurized but once every 6 months, I looked deeper.
The airline intake valves (shraders) are made in China....... So, I found an air suspension component company that makes parts for the low rider cars that have the computer controlled "dancing" suspensions. Got a couple one way check valves for the airlines. (screw together brass compression fittings). I lost 2psi in the last 40 days! Much better! - just a consideration. Can't remember the name of the check valve company. (age)
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