Cleaning the undercarriage
Mountain Pass
Joined: Aug 2019
Posts: 187
Likes: 14
Industrial Simple Green - Soak for 30 minutes but don't let it dry, and then pressure washer. For areas where grease is caked on, Oil Eater works good at full strength and use a soft brush.
After you are done, then go back and regrease all the fittings with a zerk gun.
After you are done, then go back and regrease all the fittings with a zerk gun.
Fleet Mechanic
Joined: Feb 2007
Posts: 1,252
Likes: 113
From: Mandan, ND
Senior User
Joined: Feb 2018
Posts: 206
Likes: 4
From: Harrisburg
I would be ready with seals and gaskets for fluid filled items under the truck. I found that the grime was helping to seal the rear differential and once I cleaned it, there was a leak.
I've been wanting to do the complete underside cleaning, but am holding off till I can get the seals/gaskets for the trans and t case, both of which are pretty caked with gunk.
Good luck.
I've been wanting to do the complete underside cleaning, but am holding off till I can get the seals/gaskets for the trans and t case, both of which are pretty caked with gunk.
Good luck.
Cargo Master
Joined: Sep 2007
Posts: 2,470
Likes: 535
From: Chandler, AZ
This plus oven cleaner. Way more effective than any de-greaser I have used. Heck, don't need the pressure wash. I have a pressure washer and several de-greasers, but I just use oven cleaner and a regular hose, 10x faster.
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