Engine flush... - Drive Accord Honda Forums
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post #1 of 40 Old 11-10-2016, 09:17 PM Thread Starter
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Engine flush...

Hi guys,
Ok, my 2007 Accord 2.4L, 4 cycl, 5sp manual has 180300 miles on it. I haven't done an engine flush before and it's over due. I'm sure sludge has been building up through the years. I use Mobile 1 Full Synthetic oil. I'd like to know what's the best product to flush the engine and how do I go about doing it?

Also, do you guys wash your engine? You know, pop the hood and spray that engine clean stuff then hose it down with water. What do you use and what's the safest way to do it?

Thanks.

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post #2 of 40 Old 11-10-2016, 09:29 PM
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If you have been changing your oil regularly, engine flush is a waste of money.

Some wash the engine; I don't.

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post #3 of 40 Old 11-10-2016, 09:31 PM
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Engine flushes are pushed by quick lubes and corner gas stations to make an extra buck.

Keep doing regular oil changes using quality oil (of which Mobil 1 is one of the best) and skip the flush.
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post #4 of 40 Old 11-10-2016, 09:36 PM
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Yeah if anything just let the oil drain extra long next change so you get as much out as possible

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post #5 of 40 Old 11-10-2016, 09:47 PM
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If you've consistently used synthetic oil, I doubt your engine has any sludge build-up. That's as long as you have followed the proper oil change interval. If you think there is build-up, pull the valve cover and see if there's any.
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post #6 of 40 Old 11-11-2016, 02:44 AM
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Originally Posted by 第9世代 View Post
If you've consistently used synthetic oil, I doubt your engine has any sludge build-up. That's as long as you have followed the proper oil change interval. If you think there is build-up, pull the valve cover and see if there's any.
Agreed. Strongly doubt if OP has any sludge. I've used motor flush before on older cars, but I believe Honda advises against using any chemical flushes. I have no plans of ever doing one.

If you're washing the engine, you can spray it down with engine clean, but cover the alternator, fuse box and any other sensitive electronics with plastic bags before hosing off.

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post #7 of 40 Old 11-11-2016, 04:48 AM
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Synthetic oils already "wash" your engine. No need for a flush.

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post #8 of 40 Old 11-11-2016, 06:47 AM
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I open the oil cap and do a power flush of the engine internals as well as wash the outside of my engine using my own sterile urine. I don't like to be bothered during this important weekly task, so I invite heavily armed neighbors over to ensure I am not approached by hippies nor by vagrant roofers during the procedure.
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post #9 of 40 Old 11-11-2016, 06:57 AM
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Rick, I also suggest, before hopping up on the bumper, please crack the cap and allow steam to dissipate. Otherwise you may end up with your pecker wrapped in gauze for weeks and a very unhappy Vietnamese female community.

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post #10 of 40 Old 11-11-2016, 06:59 AM
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Don't get too close to the serpentine belt, Rick.
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post #11 of 40 Old 11-11-2016, 07:49 AM
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Don't get too close to the serpentine belt, Rick.
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post #12 of 40 Old 11-11-2016, 08:18 AM
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No reason to do a flush especially since you have used a good synthetic. As other have said if you really feel like checking open the valve cover or just look in the oil fill cap.

As for cleaning your engin.

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post #13 of 40 Old 11-11-2016, 09:33 AM Thread Starter
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Thank you all for your reply. No engine flush it is, save me some $$. I've been changing oil when it is low. I don't use the oil life indicator anymore because it's been burning oil. But that's before I change the PCV valve.
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post #14 of 40 Old 11-11-2016, 09:35 AM
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Quote:
Originally Posted by clamchowder89 View Post
Thank you all for your reply. No engine flush it is, save me some $$. I've been changing oil when it is low. I don't use the oil life indicator anymore because it's been burning oil. But that's before I change the PCV valve.
You change your oil only when it gets low? How often is that and how low does it get?

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post #15 of 40 Old 11-11-2016, 09:53 AM
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Quote:
Originally Posted by Drew03Accord View Post
but cover the alternator, fuse box and any other sensitive electronics with plastic bags before hosing off.
i've never done this on a late model vehicle, including my accord. and have never had any problem. older cars with a traditional distributor cap and rotor are another story.


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