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View Full Version : Silicone Lubricant Spray Suspension Bushings?


TJPark01
01-19-2011, 02:18 PM
Do you guys think it's worth spraying silicone lubricant on the suspension bushings and other exposed rubber parts as preventative maintenance? Just to be clear, this is a spray similar to WD-40 in terms of application and consistency, but is for rubber applications.

Stoner Food Grade Silicone Lubricant is a versatile spray lubricant that helps reduce friction and prevent sticking for faster, quieter, and more efficient machine operation. Food Grade Silicone Lubricant repels water when applied to fabrics, leather, rubber, and most other materials.
http://ecx.images-amazon.com/images/I/41jPG-9raWL._SL500_AA300_.jpg

BimmerUKF10
01-19-2011, 04:59 PM
Absolutely not! You'll just mess up the underside of the car with greasy oil to spil all over your garage floor! All of those rubber boots you can see in your photo's are full of grease. Anything that moves is generally covered with a rubber sleeve that is water tight and packed with grease. The joints should never need further lubrication unless the rubber splits, in which case the rubber will need to be replaced and filled with new grease. Apparently not applicable to the product you mention, but It's worth noting that WD40 type products are designed to eat rust to free up old nuts / bolts. Unfortunately they can also eat rubber, so you could cause some major damage too!