Well one of my crankcase ventilation rubber hoses has started to become brittle and will need replacing. So it got me thinking what would be the best oil or grease to apply to rubber hoses in the engine bay to keep them up to scratch for longer??
I appplied the following lithium based grease to some hoses in my engine bay. It has a colour similar to vaseline.
In the first pic below, it has remained as a grease, the hose looks shiny, but ofrcourse ended up attracting some fine debris and dirt.
In the 2nd pic, this hose is going in to the top of the radiator and so gets quite hot, and the grease looks to have have dried out and gone a milky colour, and this hose actually would be in the firing line of water spray from if i'm follwoing another car in the rain (i read in the sticky the milky change can happen with Li based grease).
So what is other peoples opnion? Or would something like WD40 be better just wiped on with a cloth??
I appplied the following lithium based grease to some hoses in my engine bay. It has a colour similar to vaseline.
In the first pic below, it has remained as a grease, the hose looks shiny, but ofrcourse ended up attracting some fine debris and dirt.
In the 2nd pic, this hose is going in to the top of the radiator and so gets quite hot, and the grease looks to have have dried out and gone a milky colour, and this hose actually would be in the firing line of water spray from if i'm follwoing another car in the rain (i read in the sticky the milky change can happen with Li based grease).
So what is other peoples opnion? Or would something like WD40 be better just wiped on with a cloth??
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