Safe to spray your engine bay ?
#2
Member
A safe bet might be to contact several "detail" places for their opinion. I say several just to get a consensus. I would also ask the dealers maintenance manager or, if you have a trusted maintenance advisor, ask him/her. At least they might be able to give you a good explanation why you can, or why you can't. Let us know what you find out.
#3
Senior Member
All the electrical connections are water resistant. Cover the alternator and other things you don't want to get wet with aluminum foil. I would go with a garden hose spray before a car wash spray though. What is your end goal?
#5
Senior Member
Fore engine bay cleaning I prefer some degreaser on any oily spots then use a garden hose and brush to finish the job. I usually try to be a minimalist on spraying things down but most things under there are designed to handle water just avoid the fuse boxes and alternator. A high pressure blast might be a different story though.
#6
It's NEVER a good idea to spray any kind of high pressure liquid on your engine. Too many electrical components to mess with. I just washed mine quick the other day using a soft brush and low pressure garden hose..came out good and no problems afterwards.
#7
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X350d GLE500e 2017, ML350 BlueTec 2012(sold), A200 2013, ML350CDI 2009(sold), Aston Martin DB7 2003
I would not use a high pressure spray (Gurney or similar) on any part of the car. It will damage paint work.
But high pressure fom the garden hose is a different story. (Unless you are an unfortunate who owns an old British car with Lucas electrics. They can only accept a damp cloth and compressed air).
But high pressure fom the garden hose is a different story. (Unless you are an unfortunate who owns an old British car with Lucas electrics. They can only accept a damp cloth and compressed air).