wash engine bay
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Freshman User
Joined: Aug 2005
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wash engine bay
Can I wash engine bay w/water or is there too much that can go wrong? I always washed engine on my older fords and never had a problem. My 04 250SD now is very dirty under the hood and would like to clean it up.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
Only if you want to remove all the COP's and blow air into the holes to dry them out 
I do it on my 4.6L's, but they have plug wires.
When I did my plugs, I took the time to wash it off first because I was certainly going to remove the COP's and plugs, so the water didn't bother me.
But if you're just going to wash the motor, I would stay away from the COPs and the plug holes. But then, there's no way to do that, either
I do it on my 4.6L's, but they have plug wires.
When I did my plugs, I took the time to wash it off first because I was certainly going to remove the COP's and plugs, so the water didn't bother me.
But if you're just going to wash the motor, I would stay away from the COPs and the plug holes. But then, there's no way to do that, either
Post Fiend
Joined: Jan 2002
Posts: 5,859
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From: USA
Ah you guys are chickens ,I do it all the time every spring after salt season.
You just have to have a source of Compressed air and blow it off and off and off and off then run it then some more compressed air .
I 've never had a problem.
If you don't have the compressed air don't do it,though or you'll have problems
Rich
You just have to have a source of Compressed air and blow it off and off and off and off then run it then some more compressed air .
I 've never had a problem.
If you don't have the compressed air don't do it,though or you'll have problems
Rich
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
Originally Posted by FortyFords
Ah you guys are chickens ,I do it all the time every spring after salt season.
You just have to have a source of Compressed air and blow it off and off and off and off then run it then some more compressed air .
I 've never had a problem.
If you don't have the compressed air don't do it,though or you'll have problems
Rich
You just have to have a source of Compressed air and blow it off and off and off and off then run it then some more compressed air .
I 've never had a problem.
If you don't have the compressed air don't do it,though or you'll have problems
Rich
Rich, what can I say? You're just lucky I guess!
Posting Guru
Joined: Mar 2002
Posts: 2,245
Likes: 16
From: Vancouver Wash USA
Originally Posted by FortyFords
Ah you guys are chickens ,I do it all the time every spring after salt season.
You just have to have a source of Compressed air and blow it off and off and off and off then run it then some more compressed air .
I 've never had a problem.
If you don't have the compressed air don't do it,though or you'll have problems
Rich
You just have to have a source of Compressed air and blow it off and off and off and off then run it then some more compressed air .
I 've never had a problem.
If you don't have the compressed air don't do it,though or you'll have problems
Rich
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Post Fiend
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From: NE Texas
I won't even sneeze while I'm under the hood... 
Ken and Rich - give me 6 numbers for the lottery, will ya'?
Ken and Rich - give me 6 numbers for the lottery, will ya'?
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Joined: Mar 2005
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From: southern california
I have a 2002 f250 with v10, about every 6 months i spray on simple green and hose it off with water , i've been doing this for 3 1/2 years without a problem. I guess i've just been lucky and should start blowing off around the plugs when i do this. I did the same thing with my 2000 Lightning and never had a problem for 2 1/2 years.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
Besides the obvious jabs, I gotta say, with electronics (except the Ford plug holes) if the stuff is kept clean of dust and dirt, say hosing it off every oil change, you're much better off over the long run. I do this with the motorized side-view mirrors every wash.
I've had my 4.6's misfire after washing, no matter how careful I was.... water got in the holes. I ain't takin' the chance on 10 cylinders' worth of painful COPs Although I may have done it once or twice because I was willing to take the chance - and lived. But won't live to tell about it...
I've had my 4.6's misfire after washing, no matter how careful I was.... water got in the holes. I ain't takin' the chance on 10 cylinders' worth of painful COPs
Although I may have done it once or twice because I was willing to take the chance - and lived. But won't live to tell about it...
Freshman User
Joined: Oct 2005
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I wash my engine EVERY time I go to the car wash. That is every-other day. I just use the "wax" and make it quick. When I first washed it down it was pig filthy. I did stay away from the COPs but still got the topside really good. I have never, never, never, never had a mis-fire, hickup, stumble or anything else.
I also use the wax on the underside of the truck & fenderwells.
I also use the wax on the underside of the truck & fenderwells.
Posting Guru
Joined: Mar 2002
Posts: 2,245
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From: Vancouver Wash USA
Originally Posted by krewat
Besides the obvious jabs, I gotta say, with electronics (except the Ford plug holes) if the stuff is kept clean of dust and dirt, say hosing it off every oil change, you're much better off over the long run. I do this with the motorized side-view mirrors every wash.
I've had my 4.6's misfire after washing, no matter how careful I was.... water got in the holes. I ain't takin' the chance on 10 cylinders' worth of painful COPs Although I may have done it once or twice because I was willing to take the chance - and lived. But won't live to tell about it...
I've had my 4.6's misfire after washing, no matter how careful I was.... water got in the holes. I ain't takin' the chance on 10 cylinders' worth of painful COPs
Although I may have done it once or twice because I was willing to take the chance - and lived. But won't live to tell about it...