3500 PSI Washer on Under Carriage?

T

TommyC

New member
I'm renting a 3500 PSI 13 HP Pressure Washer from Home Depot to clean the garage. While I have access to it, would it be safe to wash the under carriage of my truck with it, or is 3500 PSI too much?



I definitely wont be spraying the paint, but I was thinking of spraying some purple power degreaser on the undercarriage, and using the power washer.



Is this safe or not? I have a 2006 Ford Pickup.



Thanks a bunch.



By the way, just registered here, first post here, been lurking for a while, this forum is amazing.
 
It's too much IMHO. Soak with with some strong degreaser, turn it down & you'll be fine. 3500 is for blasting concrete & stripping paint.



Are you doing it on a hoist?
 
I dont know what it is with you guys and being overly cautious on the pressure. I've run a 3500psi pressure washer on almost everything i've detailed for the past 5 years. It will be no problem, but you have to use some common sense with it. Dont get it to close to paint hoses or trim etc.
 
I think it's a small feat to have Autoians use a PW in the 1st place. :nono :D I wonder if you really need that much force to clean a vehicle (any part of it)? I can't comment, because I've never used that much. :nixweiss 1500 psi melts away grease covered engines, I'd love to see what 3500psi would do. :bow
 
Honestly, i'd *rather* have 2000psi, but 4gal per min of flow. To me, it's not the pressure that helps, it's how much water the thing can throw per minute. You just have to get up in the 3000+ psi range to get it to throw much water.
 
Make sure you turn that setting way down. I used 2500 psi in/around wheel well and ending up blasting away rust proofing and sound protection sealants. I now just spray soap using a weed sprayer, let is soak, then hose down.
 
Alright, thanks for the replies!



I'll just avoid using it on my truck, no reason risking damage. Next time I wash the undercarriage I'll just use one of the quarter washes + degreaser.
 
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