Pressure washing engine bay

[Gashman]

Want to pressure wash my engine bay, thinking of removing the battery to do so.

Will I need to wrap ecu, fuse boxes with bags or anything?

Is there anything else that I will need to protect?

[0rang3peel]

Yes to all of the above, but you don't really need to pressure wash the engine bay? Hence I wouldn't advise it.

[Prickle]

Dont really need to. Just put some hours aside and graft yer arse off.

[Jigs2895]

As above, I wouldn't bother, if you read the sticky it says not to do it, it's to easy for water to get into the electrics and for something to go wrong.

A paint brush, a few rags and some engine cleaner and a hour later it will look just as good.

[Gashman]

Looks like it's a few hours scrubbing for me then, what degreaser do you guys recommend?

A mate of mine has suggested stardrops at 4:1?

[Jigs2895]

Auto Glym engine degreaser has always worked well for me

[jasonmayall]

I've heard some good things about Jizzer, and it's got an amusing name!

[stevo67]

Gunk always works for me.

[Gashman]

I've heard some good things about Jizzer, and it's got an amusing name!


Isn't this the swarfega stuff?

[vtrmann]

Never pressure wash an engine. My gf brother did mine and ended up scrapping the car. Could never get it running right. Not worth the risk.

[Gashman]

Just had a quick go using gunk, only had 20 minutes but the results were promising. Rinsed using a spray bottle.

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[Ross]

I've jetwashed loads of engine bays without issues. Just protect electronics, and don't go mental near them. Half a litre of gunk, applied to a warm (not hot) engine, left for 20 minutes, then jet washed with the engine running has always worked for me :)

[Manwhore]

I second what Ross said

[dannyb89]

hi i used to do valeting and swear by auto smart products id use g101 spray on leave 5 mins and then jet wash off but as above be gentle around the electronics.

[JacobLongman993]

Good old brake and clutch cleaner dose a good job on engine grease.

[Gandi699]

I wouldn't pressure wash an engine bay now. Degreaser and a hose adapter for your tap so you can have hot water will work well, plus elbow grease


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[pdiddley]

get some JIZZA on it then start car and you can jet wash with running i do it a lot no problems not recomend when car is off just cover electrics up