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I just bought a set of these bushings to replace the worn-out ones in my front stabilizer bar. The set did not include any grease or lubricant. The manufacturer doesn't state the construction material, but they smell like tires/rubber.

Do they need to be lubricated before installation? If so, what type of lubricant should I use?

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In the seldom cases I saw them the manual advised to use soapy water to install them as petroleum based lubes degrade rubber. Normally grease is included on items that need it. Make sure to torque down the bushings carrier as the stabilizer bar is in the "work" position, that is the position the stabilizer bar has when the loaded (normally only the driver) vehicle rests on the wheels.

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    Might want to also mention that using petroleum-based lubricants on rubber bushings will likely reduce their lifespan.
    – barbecue
    Commented Jul 21, 2019 at 20:28
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    Even if it lubricant doesn't harm the rubber, it will squeeze out of the "joint" and collect dirt, which will tend to corrode the metal. When they are clamped tight the only thing that moves is the rubber itself flexing, so there is nothing to lubricate.
    – alephzero
    Commented Jul 21, 2019 at 20:33
  • @Martin: can you clarify what you mean by work position? I was just going to replace one at a time so it would remain "attached" to the frame while replacing each bushing. Commented Jul 21, 2019 at 20:54
  • @Martin: thanks, when I got under the car, it became clear what you were referring to with "work" position. Commented Jul 22, 2019 at 3:09
  • Its not a flexing bush like arms, so you must add a very little rubber grease and clean overapplied grease at outside after installed. It will be fine if you dont adding grease but your customer might complaint you with unpleasant creaking noises over bumps..
    – nyconing
    Commented May 6 at 4:43

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