C4 Suspension Overview



We offer a complete line of suspension services, including repairing, rebuilding, and revalving of shock absorbers, front forks, and steering dampers of all major manufacturers of motorcycle and car suspension. They are not supporting the entire 3500 pounds of the car; as the suspension oscillates over pavement changes, universal joint load also changes. Depending on your vehicle, these can be used with the strut still mounted to the car OR can be used at a work bench with the strut assembly mounted in a vise.

When it's time to replace this bushing, Lisle's Anchor Pin Bushing Remover is a pneumatic driver set that presses this bushing out of its nest. If you're wondering whether or not it's time to replace your shocks or struts, consider how your vehicle currently handles.

NOTE: Apply a liberal amount of white lead or Lubriplate to both bushings before installing in arms. We found that PST actually offers complete stock-style replacement upper control arms with bushings and ball joints installed, and we decided to go new here.

For example, it may be necessary to upgrade the suspension with different shocks or struts to allow for trailer towing or hauling other large loads. We carry a full range of suspensions parts for Mack front and rear suspensions. Loading the bushing into the control arm first can damage the bushing when installing the pivot shafts.

The additional weight is the amount of overload on springs and rear axle. Start by loosening wheel bolts (steel wheels), lift chassis and set frame on jack stands, loosen knockoff (wire wheels), remove wheels. We have all the appropriate tools to do it properly without e.g. damaging your shock spring or fork top-caps.

The control arm bolts have flats on the inside to keep them from spinning during removal; try to keep pressure on the socket at all times if you use air tools for removal. Tips from Rod Johnson I noticed that my 740 had steering looseness and the condition of the strut rod bushings was bad.

Work approximately one tablespoon of wheel bearing lubricant into outer bearing assembly then install wheel, outer bearing and cone, safety washer, and nut on spindle. It's recommended to work on one wheel at a time when completing this project, but you can raise the entire rear end and place the car on jack stands.

With suspension revalve services we personalize your fork or shock absorber to your specific needs. The C4 Corvette received aluminum suspension components for the first time. Rubber replacement bushings are not available. Now it's time to remove the fork seals and separate the inner and outer fork legs.

The spindle rod bolts, brake caliper with parking brake cable mount and brake hose are removed. Do not delay in repairing a failing ball joint or tie rod end. Start by unbolting the shock at the upper mount, disconnecting the sway bar endlinks if so equipped, and breaking the Suspension Disassembly tie rod loose from the steering arm.

By far the front upper and lower control arms last the longest. Place the new coil spring into the lower control arm seat and frame bucket. Mercury Cougar Shock absorbers and struts absorb the impact on your suspension and help keep the tires firmly planted on the road.

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