Power washer on motorhome. (1 Viewer)

Jan 22, 2012
1,459
2,229
Wigan
Funster No
19,541
MH
Knaus Sun TI 2012
Exp
2010
Just bought new power washer for cleaning drives etc. I saw a guy cleaning his van and cars with one the other day. Mine has several attachments, one for cleaning fluids. Any tips for using it on the motorhome or shouldn't I bother?
 

Gellyneck

LIFE MEMBER
Jun 5, 2014
9,212
18,188
Scotland
Funster No
31,836
MH
C Class
Exp
More than toes wet now!
You need to be very very careful if you're going to use it as it could damage joint sealant, get into various vents, etc.
 
Aug 6, 2013
11,953
16,570
Kendal, Cumbria
Funster No
27,352
MH
Le-Voyageur RX958 Pl
Exp
since 1999
Always use mine on all my vehicles. I have the attachment for foaming.

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Sep 25, 2009
793
1,386
south yorkshire
Funster No
8,624
MH
coachbuilt
Exp
since 2004. Tugger 10 years on and off
Nothing wrong with a power washer. Just don't get too close with the nozzle.If you do, you have a good chance of doing damage to seals.
 

68c

Oct 22, 2019
1,816
2,792
Southampton
Funster No
65,959
MH
2001 Pilote 270
Exp
Since 2004
If you are not going to drive the vehicle for a while I would try to keep the water off the brake discs to stop them corroding.
 
Feb 21, 2016
4,918
29,522
Uk
Funster No
41,726
MH
C class
Exp
Since 2017
Don’t do it. Too easy to get it wrong i.e. put too much pressure on a vulnerable place.

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May 7, 2016
7,248
11,731
West Sussex
Funster No
42,951
MH
Carthago Compactline
Exp
Since 2003
Take care around the decals.

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AndyPK

LIFE MEMBER
Oct 7, 2015
5,012
13,896
Cirencester
Funster No
39,288
MH
None……..!
Exp
Motorhoming since 2015......
I use my Worx Hydroshot pressure washer on the ‘van - I specifically bought the Hydroshot because, being battery-powered, it’s not as powerful as mains washers, so I’m confident that it will not do any damage (unless I hold it really close to the seals or vents!). As it is not tethered by a mains lead, I can also get into those awkward places (Ooohh, Matron!) relatively easily especially with a 2 litre bottle screwed onto the washer wand in place of the usual hosepipe.......
 
Jan 30, 2020
2,821
14,448
Mid Bedfordshire
Funster No
68,408
MH
RS Endeavour
Exp
Just a tad..
I use my Worx Hydroshot pressure washer on the ‘van - I specifically bought the Hydroshot because, being battery-powered, it’s not as powerful as mains washers, so I’m confident that it will not do any damage (unless I hold it really close to the seals or vents!). As it is not tethered by a mains lead, I can also get into those awkward places (Ooohh, Matron!) relatively easily especially with a 2 litre bottle screwed onto the washer wand in place of the usual hosepipe.......

these were on special with Amazon a month or do ago and I was tempted...how does it perform? How long do you get run time on the battery?

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AndyPK

LIFE MEMBER
Oct 7, 2015
5,012
13,896
Cirencester
Funster No
39,288
MH
None……..!
Exp
Motorhoming since 2015......
Very happy with the results on the MH - and I’ve just power-washed the patio and paving around the house (I must be bored!), which now look really clean....ready for the hedgehogs and birds to cr*p all over them!
The run time with a 2Ah battery is about 30 mins continuous- obviously much longer with intermittent use, but I’ve got 5 batteries to use as I have a couple of other Worx tools (drill and lawn-mower), so I can swap them out and charge as necessary.
 
Apr 12, 2012
1,695
6,378
N/E Lincs
Funster No
20,518
MH
Autosleeper Rienza
Exp
as above
The garage that does the service and MOT on our cars and the Rienza always pressure wash them before we collect them. I noticed the guy doing the pressure washing stood quite a long way back trying not to get to wet so hopefully we shouldn’t have a problem.
 
Oct 11, 2019
926
3,539
Cheshire
Funster No
65,289
MH
Converting a Van
Exp
I'm a Total Newbie!
I pressure wash the car and I've taken some paint away from above the windscreen. Don't really care about the car though. I care more about my van, even though I've only just started converting it. Dad suggested washing the outside of the van today while I wait for building materials and I immediately decided not to use the pressure washer on the van!

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Mar 28, 2020
62
45
Herefordshire
Funster No
69,675
MH
Weinsberg 790
Exp
Newbie
I can second the Hydroshot, use it on my bikes to get the worst off without blasting the living daylights out of it. On our MoHo I use A gentle jet wash then brush with hose attachment on all bar the plastic windows and vents and wheels (separate old brush for the wheels) and rinse off with either the hydroshot or jet wash, but i have a nozzle for the jet wash that spreads the spray and reduces the power considerably. It also has tanks to add cleaning fluid. There are some brush attachments for jet washers but just check the bristles are soft. Stiff bristles can scratch. For the habitation windows a soft cloth and very clean water.
 

Nasher

Free Member
May 6, 2016
2,094
7,179
Pontardawe
Funster No
42,923
MH
Pug Boxer
Exp
Since 2013
My Karcher pressure washer has a variable pressure trigger, so over the last 20 or so years, I've used it on loads of things including my classic race motorbikes - never had a problem

Do it, but be sensible, would be my advice

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Jun 8, 2019
4,931
18,760
Bexley Kent
Funster No
61,505
MH
Given up Motorhoming
Exp
May 2019
Been looking on EBay can’t see one with a liquid bottle on it. I have a big Karsher but the lance hose is so stiff I could never get it on the roof. Would love a jet washer with a separate water container and battery powered ( I have DeWalt power tools) so that I could add detergent and do the roof. I can manage the rest. With extending brush and rinse as I go then leather it.
 
Mar 28, 2020
62
45
Herefordshire
Funster No
69,675
MH
Weinsberg 790
Exp
Newbie
With the hydroshot you can Do just that. Amazon sell them. Pop one in your watched items and keep an eye on the price. Every now and then they drop the price. Got mine for about £85. My jet wash is a greenworks I think (can check tomorrow) bought from Home Bargains about 4/5 years ago and it’s been very reliable.
 
OP
OP
Parrot Face
Jan 22, 2012
1,459
2,229
Wigan
Funster No
19,541
MH
Knaus Sun TI 2012
Exp
2010
Been looking on EBay can’t see one with a liquid bottle on it. I have a big Karsher but the lance hose is so stiff I could never get it on the roof. Would love a jet washer with a separate water container and battery powered ( I have DeWalt power tools) so that I could add detergent and do the roof. I can manage the rest. With extending brush and rinse as I go then leather it.
I just bought the Aldi one that's on offer for £75 it arrived the other day, still in box and haven't checked it but it does seem to have a separate on board tank .

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Mar 28, 2020
62
45
Herefordshire
Funster No
69,675
MH
Weinsberg 790
Exp
Newbie
Here’s mine, has 2 soap tanks. Big dial in the centre to select either tank or just water straight from the hose.
 

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