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Can Suspension Be Sprayed with Chassis Armor?

2 Answers

VonArabella

07/25/25 10:23am

Suspension can be sprayed with chassis armor. Traction Arm Suspension System: The traction arm suspension system is specifically designed for rear-wheel suspension systems. European car models such as the Peugeot sedan system, Citroën sedan system, and Opel sedan system prefer to adopt this suspension system. Multi-link Suspension System: The multi-link suspension system is further divided into a 5-link rear suspension and a 4-link front suspension system. As the name suggests, the 5-link rear suspension system includes five links: the control arm, rear positioning arm, upper arm, lower arm, and front positioning arm. Among these, the control arm can adjust the front wheel beam. 4-link Front Suspension System: Primarily used in luxury sedans, the 4-link front suspension system cleverly separates traction force, braking force, and steering force through kinematic principles while providing the vehicle with precise steering control. This suspension system is commonly found in models such as the Audi A4, A6, and Chinese sedans.

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Thomas

08/11/25 7:40pm

I've seen many people wanting to spray rustproof undercoating on suspension components, but this really needs careful consideration. Suspension parts like springs and control arms are designed to move constantly, making them unsuitable for direct undercoating application. These coatings harden when dry—they're fine for fixed areas like chassis frames, but suspension components flex and bend with every bump, causing the coating to crack and peel off easily. If you absolutely must coat them, I'd recommend using specialized flexible undercoating compounds for better elasticity, though they still won't last as long as standard undercoating. I've seen cases where people completely coated their entire suspension, only to have chunks flake off within six months while grease and grime accumulated at moving joints. Honestly, regular maintenance matters more—periodically washing off road salt and debris from the undercarriage is far more effective than any coating.

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