i have a 2018 f-150 crew cab, do i use the air spring spacer or not? videos say no, instructions say yes??? which is it???

Instructions are jacked. Mine said use the spacer for a 2WD truck which is wrong! The best part of the instructions is at the end to do your final checks. At ride height you need 5 1/2 - 6 1/2" and at least 5 psi for it to work correctly!! 2WD with spacers rode terrible but only had 4" with the upper brackets in the lower holes. Removed spacers, good to go. Added lowering shackles, same thing - raised the upper bracket to get over 5" of bag at ride height and perfect again!

Will this take the side to side sway out when pulling,i have a 36ft rv with full wieght bars and anti sway bar but she stil likes to sway side to side

My buddy has same setup as you. The bags will help but it sounds like you have too much weight in the back of the camper. That will cause sway also.

My truck is still under warranty. Has anyone had issues with voiding warrant?

My truck is under warranty as well. Really the only change you are doing is taking off the factory bump stop and replacing with this bag. It doesn't impact the springs as it absorbs weight and transfers to axle pad.

I have a 2013 F150. About how much do these bags raise the rear of the truck without a load or tow?

With the 5 lb. minimum pressure they only raise it about 1/2 inch. The maximum raise with higher pressure and no load is only about 1 1/2 inch on the high side probably closer to 1 inch.

Brand	Airide
Auto Part Position	Rear
Material	Alloy Steel
Included Components	Mounting Brackets and Hardware
Manufacturer	Firestone
UPC	767555155059
Global Trade Identification Number	00767555155059
Automotive Fit Type	Vehicle Specific Fit
Model	2582
Item Weight	34 pounds
Product Dimensions	12.5 x 12.5 x 5.5 inches
Item model number	2582
Is Discontinued By Manufacturer	No
Exterior	Machined
Manufacturer Part Number	2582
OEM Part Number	2582

Firestone2582 Air Helper Spring Kit, Black

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