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Kathysia industrial Co., Ltd was reorganized from Zhengzhou spring factory, which founded in 1957, having more than 60 years of professional experience in this field. Kathysia is a designated spring products supplier by the Chinese ministry of machinery industry, and a member of China spring association.

We Supply all kinds of Springs for all applications, If you can’t find a stock spring for your application, or would like to match a competitor’s spring not offered through this website, Our engineering staff is ready to answer your questions or assist in designing the right spring for your application.

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  • The Best Grease for Polyurethane Bushings

    Nov 13, 2017  That said, not all grease is created equal and when it comes to poly bushings you want two basic things: high adhesion (stickiness) and low coefficient of friction (reduced friction). Since the grease on these bushings is not in a sealed system it can be squeezed, melted,

    Do not use a wet bolt with this bushing as the grease can cause the bushings to degrade. Never Fail bushings from Lippert are designed to be the last replacement bushings you'll ever need for your trailer's suspension system. The modified polyamide construction is extra-durable and can outlast nylon or bronze bushings.

    As you know I upgraded my suspension last year (July) and installed the Never Fall bushings. Link to thread here. I took it back this year for a tune up and inspection of the never fail bushings. Unfortunately, the Never Fail bushings have failed. The bushing has deformed in the spring eye holes, creating excess movement in the knurled bolts, failing the knurles, allowing the bolt to turn and

    Clean the brackets as well and apply an adequate amount of lubricant on the outside of the bushings, the pins and new inner shell. Step 6 – Install Bushings. Attach bushings into the front and rear eyes of the leaf springs. Position new inner shell into the rear eyes and install the leaf spring in it mounting surface.

    Step 6 – Install Bushings. Attach bushings into the front and rear eyes of the leaf springs. Position new inner shell into the rear eyes and install the leaf spring in it mounting surface. The front pin should be inserted through the bracket leaf spring eye. Fix the pin base in the large bracket hole and make sure it

  • Should I Grease My Leaf Spring Main Eye Bolt?

    May 23, 2018  The note about grease is if the bolt contacts the rubber all the time. But those bushings have an inner metal sleeve if memory serves. So in that case, anti-seize or moly grease on the bolt would be fine. Use a thin coating to avoid excess getting on the rubber.

    Sep 26, 2011  Yes bushings makes noises, not leaf springs. Get under it and have someone get in the bed and bounce up and down try and recreate the noise and look for loose parts. Check for broken leaf springs, the only thing to get lube are the pivot points or shackles where grease zerks should be present.

    Installing brass bushings of the proper inner and outer diameter and length is possible. In my experience brass bushings do not last any longer than nylon bushings and they are much harder to find in the correct size. At this time we do not carry brass or bronze bushings properly sized for double eye leaf springs.

    Nov 03, 2010  Question about Dakar leaf springs. Discussion in 'Suspension' started by taco_man, Nov 3, Don't use the axle grease you'd use for lubing your chasis/shooting into your zerks, that'll deteriorate the rubber. However, if you have Urethane bushings the chassis grease will be fine. JDMcQ, Nov 3, 2010 #11. Nov 3, 2010 at 11:02 AM #12 #12.

    Sep 26, 2012  Prior to the mid fifties grease was put between the spring leaves, in fact springs of many pre-50 cars were wrapped in metal liners to hold the grease in. Some cars had hollow center bolts with a grease fitting so the springs could be lubed on the car. The idea behind lubing between the leaves was to reduce inter-leaf friction.

  • What grease for suspension bushings?

    Mar 28, 2017  Just torqued to 52 ft-lbs (U-bolts were loose), so that's good. Also got some white lithium spray grease and applied to the contact points on my leaf springs, as well as all the bushings that were easily-enough within reach without pulling out my jack. The birds went away for a couple miles and are back. Think I'll jack up each side and grease again.

    Sep 17, 2010  One thought - It is important when lubricating springs is to be sure the shock absorbers are functioning well. The potential for spring breakage increases once the damping effect of dry leaf upon dry leaf friction is removed. With OEM shocks, lubed springs are great. With no shocks, lubed springs can bring some trouble. I hope that helps a bit.

    If the spring leaves are really caked with dirt and grease, cleaning them is a messy job. Clean shackles and bushes thoroughly with a wire brush. The road or garage floor under the car will be badly stained unless you spread plenty of newspaper or plastic sheeting to catch the drips.

    Good size tub of grease. I don't know how one would install a set of leaf spring and shackle bushings with the tiny little squeeze pak of grease that normally comes with an order. There is enough grease here to do two cars, front and rear leaf springs pivot bushings and all four sets shackle bushings

    Mar 25, 2014  Next are the leaf spring bushings. I think once all this is done, the suspension should have little body roll. As mentioned, make sure you grease up the bushings well so they don't squeak.

  • Leaf Spring Creaks and Noise, Fixed

    Apr 18, 2017  TSB -#? for re-torque of the leaf spring bolts. white lithium grease between the leaves. marine silicon spray on the leafs, bushings and shackles. cut off the rubber edge of the bushing on the back above the shackle, added Delrin shims to prevent the rubber from rubbing the shackle. pinned the exhaust flapper open, in case I was getting noise there

    Nov 03, 2017  Solutions to grease the steering U Joints and leaf spring bushings If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed.

    Leaf Spring bushings Is their a part number/aftermarket part that I can use to replace the leaf spring bushings? My 06 H3 is squeaking so much and grease no longer works in reducing the noise, and the dealer told me I can only replace the entire leaf spring set and not just the bushings.

    Dec 18, 2009  Get Underneath. Pop the grease gun onto the fitting and pump the trigger until the rubber boot bleeds fresh grease around the edges. Your vehicle may have as many as a dozen fittings on the front suspension. If you own a 4x4 that sees a lot of mud, plan to spend time under the chassis with a grease gun regularly.

    Feb 13, 2017  It's likely your bushing was designed by Chinese engineers who never even tested the product. They probably just designed it in CAD, Shat it our and then put a mailing slip on it.

  • What type of grease with rubber OEM bushings?

    Jul 18, 2009  the rubber OEM bushings are/were designed to run dry it has less to do with the synthetic non-synthetic and more to do with the the friction of the two mating surfaces if your looking for a grease able shackle and bushing then the poly bushings that are

    May 15, 2007  Important: It has been found that the application of grease to the rear leaf springs does a better job of preventing the noise from reoccurring than replacement of the spring. Raise the vehicle on a frame lift-type hoist. Inspect the springs for damage. If none is found, proceed to the next step.

    Mar 11, 2019  To correctly lubricate leaf spring packs that don't have grease fittings, Liquid Grease is the best choice. It sprays as a penetrating oil and then it thickens itself into a grease.

    To reduce friction between the bolts and the suspension components, bushings — typically made of nylon — are inserted in the leaf-spring eyes and in the equalizer. Better-quality, higher-cost systems use brass or bronze bushings, and the suspension bolts include zerk fittings so