Result: Spring

Review of the benefits and differences between available Firestone Air Command Kits for Firestone air springs and suspension systems.

Air Command Kits include: Standard air-pressure gauge and valve installed in cab allow you to constantly monitor your air spring pressure Inflate and deflate air-spring pressure with the flip of a switch Air tubing must be run to control panel in the cab Compressor See individual kit for type of compressor included Air tank (included in some heavy duty kits - not always necessary) See kit for tank size All air tubing, wiring and hardware necessary for installation Types of Kits Pneumatic Activation kits: Single gauge Inflates 2 springs equally Dual gauge Inflates 2 springs individually or 2 separate sets of springs (for example, 2 front springs can have different pressure levels from 2 rear springs on the same vehicle) Ideal for accommodating loading and unloading Quad gauge Inflates 4 springs individually Electric Activation kits: Single gauge Inflates 2 springs equally Dual gauge Inflates 2 springs individually or 2 separate sets of springs (for example, 2 front springs can have different pressure levels from 2 rear springs on the same vehicle) Ideal for accommodating loading and unloading |

Whether you have double eye or slipper springs, you'll be equipped with the knowledge to identify the parts of a leaf spring and measure them accurately.

We answer all your top slipper spring suspension questions in this review.

Leaf spring installation can seem intimidating to those who have never done it before.

Review of the benefits and differences between Firestone Air Helper Spring kits for vehicle suspension.

When it comes to trailer leaf springs, it can be tricky to know exactly when it's time to change them out in place of new ones.

The lower leg of the U-bolt may interfere with the vehicle overload leaf spring when there is a load on the vehicle. This problem applies to 4434 kits that were manufctured before July 2008.

Technical Bulletin Subject: Installation Kit 4434 U-Bolt Interference with Overload Leaf Springs Problem: The lower leg of the U-bolt may interfere with the vehicle overload leaf spring when there is a load on the vehicle. |

Use this 15-minute spring trailer readiness checklist to prevent roadside problems.

We answer all your top double-eye leaf spring suspension questions in this review.

If you've never checked out the underside of your trailer before, it's likely you have no idea what is a leaf spring is or what it does. So, what makes your ride so smooth, and how exactly does that magic happen?

How to install the Dual Cam HP on trailers with a bottom mount coupler.

If cam arm gets too close to the frame, tilt the ball mount rearward as needed for proper tension on spring bars and clearance to the frame and hitch parts. | Technical Bulletin SUBJECT/Summary: Installing the Dual Cam HP on...

Compare air bags, jounce springs, sway bars, and more—based on real installs at etrailer.

50066 Custom Quick Install Brackets may interfere with the overload spring brackets on the 2011 Chevrolet 2500/3500 HD.

Learn how to inspect your trailer suspension after winter storage. Check leaf springs, shackles, bushings, and axle alignment before towing this season.

Discover the top 5 suspension brands for 2025, including Firestone, Air Lift, Pacbrake, Timbren, and SumoSprings. See which upgrades deliver the best towing support.

Learn the difference between air and antifreeze methods, how to protect your plumbing, and how to de-winterize your camper in spring — the easy way.

Learn how to measure truck squat, why too much sag is unsafe, and how to fix it with air bags, helper springs, or a WDH. Trusted advice from etrailer.

This article will give a step-by-step guide to replacing your marine trailer's axles. It covers spring axles, torsion axles, and those with or without installed brakes.

Start here if your trailer lights or brakes aren’t working after winter. Learn how to isolate truck vs. trailer issues, fix bad grounds, inspect connectors, and troubleshoot brake wiring step by step.

A coupler is a mechanism that bolts or is welded to end of the trailer tongue and connects with the hitch ball. Couplers differ in capacity, style and application.

Coupler Mounting Styles For Straight Tongues Straight Channel Designed for trailers with a straight channel tongue or bar Capacities: 2,000 to 21,000 lbs Foldaway Bolts onto straight tongues Saves space by folding the trailer tongue for storage Easily folds by removing pin and clip Available as a kit to convert a straight tongue to folding Capacities: 5,000 lbs to 9,000 lbs Round Tongue Coupler slides into round shank tongues and welds on Spring-loaded collar ensures snug fit Ideal for horse trailers and light generators with round tongues Capacities: 5,000 lbs to 12,500 lbs |

Bungee cords offer a quick and easy way to tie down lightweight tarps, gear, and equipment. They stretch to fit and do not have to be tightened or tied.

The carabiner closes with a spring-loaded gate so that the bungee won't come off of its anchor, even if the line goes slack. | A bungee cord tie-down consists of a single stretchy cord with a hook located at either end....

Pewag offers standard tire chains, self-adjusting tire chains and heavy-duty, off-road tire chains for superior traction in snow and ice.

Construction Titanium alloy steel is strong, durable and corrosion resistant Square links provide good traction in snow and excellent grip on ice Asymmetrical pattern provides superior tire coverage for the best chain-to-road contact Exceptional forward, lateral and stopping traction Installation Arrange chain behind the tire with the tensioning lever, tensioning spring, and tensioning chain facing out. Place the mounting cable at an angle across the top half of the tire and hook it to the chain. |

When snow and ice make driving difficult, snow tire chains can give you the traction you need to maintain control of your vehicle. The following will give you basic information on using snow tire chains safely.

Minimum clearances must be maintained around spring clips, fenders, braces, splash pans, fuel lines, brake lines, brake controls and wherever necessary. | When snow and ice make driving difficult, snow tire chains can give...

Description on how to remove, grease, and reinstall trailer bearings, races, and seals. Also some quick tips on backing the bearings with grease.

It is good practice to fill the hub until grease starts to move the pressure spring on the bearing protector. Check it to see whether the spring has gone down then add a little more. | No parts are more critical...