M18 Standard Tandem Greaseable Shackle Bolt

M18 Standard Tandem Greaseable Shackle Bolt

M18 standard tandem greaseable shackle bolts are the centre bolt used on AL-KO 60mm standard tandem suspension arms.

Worn bolts often cause the entire arm to be replaced. There is no bush used in conjunction with the 18mm centre bolt.

The centre bolt is distinguished with a round head which is welded into position once the bolt has been tightened.

How do I measure my shackle bolt?

Measure from the tip of the thread to the underside of the hex head.

18mm Worn Standard Tandem Centre Hangers

There is no fix for worn hangers other than replacement.

The knurl under the head of a greaseable shackle bolt has a particular purpose. The knurl locks into the hanger to help prevent the bolt from spinning during spring compressions. Broken welds are a good sign the bolts need replacement.

M16 non-greaseable shackle bots are used with shackle plates. These bolts are also welded into the shackle plate to stop the bolt from turning. With a rotating bolt in the shackle plate, wear significantly increases.

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How to tighten suspension bolts.

• Tighten 16mm x 100mm greaseable shackle bolt until home.
• Back off 1/4 turn.
• You need a small space between your hanger and the rocker’s arm; otherwise, you will develop an annoying squeak.
• This squeak is due to no tolerance between the arm and the hanger leg.

Replacement Shackle Bolts, Caravan Trailer Kits