You may want to see if your Excursion have bump stops at all. both front and rear spring bump stops had dried up fallen off. A bump in the road caused a clarking sound from the rear. Turns out that was the axle hitting the frame. Got these Excursion rear bump stops would stop the vehicle from bottoming out
2 units of rear leaf spring bumpers
Made from polyurethane rather than soft poly foam, durable and long lasting, developed to improve your driving experience
Compatible with 2000-2005 Excursion, 2005-2016 F250 super duty and 2005-2019 F350 super duty
Easy Installation and direct replacement. Reliable fit, Durable construction Rigorously tested
Autoacc Front Bump Stop, Upper Suspension Jounce Bumpers Compatible with Cherokee XJ 1984-2001 (Pack of 2)
KWD 10.500
Autoacc 07-19 Silverado Rear Bump Stops, Jounce Bumpers Compatible with Chevy 2007-2019 Silverado 1500, 07-19 Sierra 1500 (Pack of 2)
KWD 12
3 Inches Rear Suspension Bump Stops, Leaf Spring Jounce Bumpers Compatible with Cherokee XJ 1987-2001, Compatible with Ram 1500 2500 3500 1997-2002, 04-12 Colorado (Stock Height, Pack of 2)
KWD 13.500
JK Rear Bump Stop, Axle Jounce Bumpers Compatible with Wrangler JK 2007-2018 (Pack of 2)
KWD 10
