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#1
10-22-2006, 12:42 PM
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Use oven cleaner to degrease a grimey engine?
I was wondering if oven cleaner would do a good job cleaning a greasy engine. I know it'll really get baked on stuff in an oven. There's stuff on a engine that gets so baked on that plain ol' degreaser won't cut.
Anyone try?
__________________
DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 
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#2
10-22-2006, 01:37 PM
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NB It's causitc
Therefore, I would keep it OFF any rubber or plastic.
__________________
1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine) Raleigh NC - Home of deep fried sushi!
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#3
10-22-2006, 01:44 PM
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Oh, it will clean it up alright. Right down to the bare metal.
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#4
10-22-2006, 01:51 PM
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So it'll take any paint off a block? What would it do to aluminium?
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DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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#5
10-22-2006, 01:55 PM
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Danger, Warning, Do Not Use It...
Quote:
Oven cleaner strips aluminum to bare unprotected metal, and the surface will corrode horribly within weeks and become pitted in months. This is a rotten trick that unethical used car sales people use...  Have a great day.
__________________
ASE Master Mechanic https://whunter.carrd.co/ Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 2003 Volvo V70 https://www.boldegoist.com/
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#6
10-22-2006, 01:57 PM
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Thanks Hunter!
__________________
DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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#7
10-22-2006, 02:11 PM
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Quote:
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#8
10-22-2006, 02:49 PM
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Quote:
 In the meantime, yes, oven cleaner is nasty stuff.
__________________
 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#9
10-22-2006, 02:54 PM
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I have the best luck with Gunk ,then hook the hose to the Hot water heater and rinse.Then I spray it with simple green and rinse again,works very very good.Johnny
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85 300sd SOLD  ,85 745i,95 740i,1972 Suburban,1938 International
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#10
10-22-2006, 03:14 PM
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Quote:
__________________
1987 300D, arctic white/palomino--314,000 miles 1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles 2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles 2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles 1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles 1995 S320, black/parchment--34,000 miles (Dad's car)
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#11
10-22-2006, 03:15 PM
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Quote:
__________________
1987 300D, arctic white/palomino--314,000 miles 1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles 2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles 2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles 1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles 1995 S320, black/parchment--34,000 miles (Dad's car)
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#12
10-22-2006, 03:22 PM
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ive used engine degreaser on the engine itself and it worked just fine. For the gunk/grease/sludge everywere else i used brake cleaner and a pressure washer. Just be careful with rubber lines and plastics as brake cleaner contains chemicals like acetone that eat right through those things.
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed
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#13
10-22-2006, 05:28 PM
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Use Gunk for the heavy stuff, Simple Green for everything else.
If you don't have any oil leaks and get it clean, Simple Green is more than enough to maintain it.
__________________
2016 Corvette Stingray 2LT 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#14
10-23-2006, 12:12 AM
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Exactly
Quote:
 This is why it is a rotten trick that unethical used car sales people use...
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#15
10-23-2006, 12:30 AM
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You'd be surprised how little cutting power you need from your cleaning solution if you just gets a good brush in there while you are cleaning the engine.
Use Eagle One aluminum wheel cleaner for coated aluminum surfaces, and use Eagle One chrome wheel cleaner for any strong bare metals, and bare aluminum, and of course, chrome. Oven cleaner is a good cleaner for old engines composed COMPLETELY of steel and iron. if you have some old box that you just want to clean out good, that will do it. I would not use it on anything resembling a modern Mercedes. Oven cleaner will also take off most kinds of paint as well. But my favorite of them all is the steam cleaner. It's safe, noncasutic, it isn't hazardous to breathe, and it's easy as all hell to use. It's frickin water people. Use it on anything.
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