Quote:
Originally Posted by nebraskafrontier
as long as you arent shooting directly at critical engine electrical components (fuse boxes, coils, sensors) you should be all right.
a health dose of simple green on a cool engine and washed off ten minutes after it sits does wonders. thats what i do and just rinse it off with a hose.
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x2 on the Simple Green. If you have neglected the engine bay and it's exceptionally dirty use a towel or scrub brush on the tough spots w/Simple green.
Also, I never use the pressure washer in the engine bay. The garden hose works just fine, and no direct blasting of electrical items.
Wizzard, I'd pressure wash the underside first. Then soak with a basic de-greaser as mentioned above. Pressure wash again. Scrub brush for tough/visible areas. I have a brush I use specifically for wheel wells.
To dress the wheel wells I buy the el cheapo tire shine and spray the heck out of them. It's oily so make sure it's mostly dry before hitting the dirt/sand.