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cboy 01-27-2006 04:53 PM

Have any power washing tips?
 
What tips and procedures do you have for power washing an engine compartment and the underside of a car?

copndoc3 01-27-2006 07:08 PM

Raincoat, rainhat, boots and lots of towels. A creeper if your really brave to get the underside.

1ownerT 01-28-2006 05:16 AM

Is the vehicle drivable.? If it is. Is there a auto rustproofing company in your area.? They should be set up to power wash the underside. Explain what you are after, they may be willing to let you into the shop to inspect it before it is taken off the lift.
Many many years ago I worked for a rustproofing/detail shop, on occasion we would have someone who wanted what you are after. The owner was a hell of a nice guy and never turned anyone down.

cboy 01-28-2006 06:44 AM

I have a power washer and a lift...what I'm interested in is what others have used for grease cutting (if anything other than the water spray) and what special precautions people take (such as bagging the carb, alt, distributer, etc). Just tips on how best to get the engine compartment cleaned up in the easiest way possible way without creating any damage. Or even if folks have strong recommendations against using a power washer at all under the hood.

predator carb guru 01-28-2006 10:08 AM

one word of caution: try not to point the high pressure spray directly at or on any connectors in the engine compartment......you can get water in them and cause all kinds of problems that are difficult to find................i usually use castrol superclean and water at about a 50/50 mix and just use a hose and spray nozzle............simple green works well too.......

montea 01-28-2006 12:44 PM

i put plastic grocery bags over the air filter, battery, and alternator. spray down everything with Gunk heavy duty engine degreaser and/or simple green, let soak for 10 mins rinse off and repeat on greasey areas untill clean.

home brew 01-28-2006 01:23 PM

Have any power washing tips?
 
Definitely use the plastic bags any where water could be a problem. I twist tie them or tie wrap them on. You never know when the spray will blow them off. Before you start run your engine and get it hot as the grease and oil removes easier. Spray it down with degreaser and let stand for at least ten minutes. Use hot water in your pressure washer if possible. Use compressed air to blow excess water off, wipe off any water stains and then start your engine to completely dry it. By the way love your journal and the new index!!

1ownerT 01-30-2006 08:03 PM

Quote:

Originally Posted by cboy
I have a power washer and a lift...what I'm interested in is what others have used for grease cutting (if anything other than the water spray) and what special precautions people take (such as bagging the carb, alt, distributer, etc). Just tips on how best to get the engine compartment cleaned up in the easiest way possible way without creating any damage. Or even if folks have strong recommendations against using a power washer at all under the hood.

My suggestion to take it to someone comes from, how much of a mess do you want to make in your shop.? I was the one to do the power washing/steam cleaning at the shop I worked in. It depends on how much grease and grime you need to remove, you can end up with the crap everywhere.
I clean everything I buy, usually at a car wash, usually late at night. I take a set of drive on ramps to get either end up in the air. Soak it with the degreaser of choice, the Castrol mentioned is a good one. I have also used one called Purple Power, I am not sure who makes it. I don't think much of Simple Green, it is a little pricey and seems to need to be scrubbed to make it work.
I clean the engine on my daily drivers 3 to 4 times a year, I do not spray directly on the distributor or the alternator and if it is carbed I use a towel to cover the carb. Maybe I have been lucky but I have never ended up with any moisture problems. If you want the engine compartment to look like new after you clean it use some no touch tire cleaner. A two piece rain suit, safety glasses and a hat will come in handy.


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