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Cleaning a motor

Posted: Wed May 02, 2007 8:12 am
by Sporttunergtv6
Hey guys,
As I am taking apart the 3l I am looking forward to putting in all these new parts, however the motor is dirrrrty (oil stains, oxidation, etc.). How do you recomend I clean it?

While i have the block and head separated, and generally degreased is it safe to have it blasted with (plastic beads, or walnut shells). would i have to watch out for scoring the mating surfaces or material becoming lodged in small crevices? should i just use a scoth brite pad and some comet?

A while back i thought I could power wash a transaxle into looking like new, but that was not the case. How do they do it?!

Any help is greatly appreciated,
V

Posted: Thu May 03, 2007 2:24 am
by scott.venables
What I did with my 12V was to:

Scrape of all loose gunk
Soak it in degreaser (or kerosene) and leave it overnight (brush it on)
Then use a compressed air wash off gun with water soluble degreaser
Then hose it off with water

I used a steam cleaner on my TA which worked quite well.

I don't like sand blasting because it goes porous and gets dirty quicker, but I don't know what bead blasting is like.

I wouldn't bother with polishing either, may look good for a week but you might regret it after you try keeping it looking shiny. I don't know what you're trying to do with your car though.

Horses for courses,
Scott