Date registered: Apr 2009
Vehicle: 2001 Mercedes ML55 AMG (Silver)
Location: Northeast U.S.
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ITs good to keep your engine clean. A clean engine will run cooler and more efficiently. Theres no reason to over do it though. I clean mine maybe 2-3x a year. Once before the winter, to prep it for the winter, Once after to clear out any salt or residue and once in the warmer months. Prep work is key. I use plastic bags and aluminum foil to keep water away from the ECU, and other electronics under the hood. I also cover the battery, and later wipe it down by hand and wipre down any other things I covered up. I cover up the ignition coils and plugs and wires and any other parts that are dense with wiring or electronics. I use a dedicated foaming engine cleaner suck as gunk or something like that, an then agitate areas with a brush, then I use low pressure water to rinse but be sure to rinse throughly and not leave any cleaner anywhere. Once everything has totally dried Im sure to use a protectant on everything, especially the rubber and plastics parts so they dont dry out and become brittle and damaged. I like CD2 engine protectant, and I use a lite coat on everything under the hood. I let it sit for a while to try and if it looks to greasy or oily anywhere I wipre it down with a dry cloth. Ive never had any issues following this method, and my engine bay always looks pretty clean and tidy ands I never have any issues with rust, salt or corrosion related to the outdoor or winter elements. I think the cleaning and protecting pre-winter of the engine bay and undercarriage are crucial, especially in areas where your vehicle may be potentially be exposed to harsh winters, snow, salt and such. Ive have very little to know visible rust on any area in my engine bay or undercarriage. I use Fluid film to protect the undercarriage and have had awesome luck with it. That and rinsing thoroughly after any exposure to salt or snow has been a winning routine for me, same goes to lower portion of engine compartment.
2001 ML55 AMG, Silver
- 20x9/20x10 EXE Crowns
- Vredestein Sessanta SUV 275/45/20
- H&R Front Sway Bar
- Magnaflow Precats, Deleted Postcats & Resonator, AMG Muffler
- Tints, AMG Hood Badge, Polished Side Marker Trims, LED Rear Tag Bulbs, 02+ AMG Silver Grill & Bumper Grill, Custom 5.5 AMG Door Badges
- Brushed Aluminum AMG Pedals, Shifter Surround, Vent Trims, Cup Holder trims, AC Knobs, Glove Handle, Rear Window Switch Trim, Hexomats
Last edited by Big Dogger; 06-01-2012 at 11:06 PM.