Engine Bay - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 11 (permalink) Old 12-31-2008, 02:19 AM Thread Starter
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Engine Bay

I plan to detail my truck on Friday. The problem I'm having though is that idk how to clean the engine bay. I have Megs degreaser but I've heard that if you throw cold water at your engine the block will crack due to the temp change. Is this true? How can I avoid this?
I've heard that the best method is to keep the engine on while your spray it. Wouldn't that be more dangerous though as the temp change will be greater?
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post #2 of 11 (permalink) Old 12-31-2008, 02:23 AM
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I would have it steamed cleaned while it is running. Best way to do it, is have it done by a detail shop so they are liable for what ever goes wrong.

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post #3 of 11 (permalink) Old 12-31-2008, 02:25 AM
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Never heard of cracking a block. Have heard about getting water in harnesses.

Use a good quality degreaser and only a low pressure hose. I fu r still concerned about the tepm change on a warm engine. Wash the outside of the truck first to allow it the engine to cool down until you can get started on it.

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post #4 of 11 (permalink) Old 12-31-2008, 02:25 AM
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I always wash my enine bay, I just use a pressure washer whenever I lean te rest of the truck

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post #5 of 11 (permalink) Old 12-31-2008, 02:28 AM
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what your hearing of is cracked heads. and yes it happens but only on aluminum headed vehicles(gassers). diesels are cast block and cast head.

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post #6 of 11 (permalink) Old 12-31-2008, 02:59 AM
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must have bin a chevy guy that told him that lol
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post #7 of 11 (permalink) Old 01-02-2009, 05:04 PM
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I wash my engine once in a while. I own a detail business on the side and never have any problems cleaning my engine. Just spray it down with a good degreaser. I like super clean and its biodegradable. Try not to soak any electronic harnesses and you should be fine.

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post #8 of 11 (permalink) Old 01-03-2009, 04:36 AM Thread Starter
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Thnx for all the replies they really helped.

Ya sledneck lol it was actually on the Chevy forum and they did say heads. The reason i added block to it though, is because the manual says that the block will crack. I just noticed though that it is in the 5.4 and v-10 section. There is no info on washing for the 6.4. I went ahead and cleaned up the engine yesterday, I sprayed the hood with a p washer and some of the harder spots. For peace of mind though about 45% of it was done by hand and washes. I'll post some after picks after I apply the dressing tomorrow.

MRBOHN23:Super Clean looks good but I already got this Megs one:

You should try it, i think you'd like it it works like a charm.
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post #9 of 11 (permalink) Old 01-03-2009, 05:31 AM
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You can try Purple cleaner at Home Depot made by Zepp. Just spray it on then wash off. About $6.75 a gallon. Will not leave a resdue.

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post #10 of 11 (permalink) Old 01-03-2009, 01:43 PM
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Not knocking the Chevy guys but i only said that because they are aluminum so i figured they would say that.
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