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Originally Posted by Chaad32
Is it OK to spray down the WHOLE engine?? I researched the forum before posting and saw where certain people use some of the tire cleaner on the engine but I was wondering specifically if it is OK to wash things like the altinator.....obviously not spraying it directly but even overspray.
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First thing, disconnect your truck's negative battery cable before working on any engine or electrical system. Another important safety factor is always wear eye protection when working on an engine or using chemical cleaning compounds. The inexpensive price of a good pair of safety goggles is nothing compared to the price of a trip to the emergency room to get your eyes flushed.
First, clean the vents at the base of the windshield using a good sturdy brush, remove any debris or leaves that might obstruct the flow of water down to the base of the firewall. Before running water on your engine, cover any electrical and mechanical components with foil and/or a plastic bag to keep the water out.
If you haven't already, cover the engine's alternator using a plastic bag. Also, cover the distributor cap or coil assembly. A rubber band can be used to help form a water-resistant seal and secure the bag in place. Additionally cover the fuse box and any exposed wiring, take the time to do this right.
Clean around the battery cables, Super Dyno Cleaner is a great choice for this job.
Next, spray your engine with a professional engine cleaner and degreaser such as Red Degreaser. Follow the instructions on the cleaner, depending on how much degreasing your engine needs you may have to leave the cleaner more or less to remove all of the dirt and grime.
After the recommended time has elapsed, hose off the engine with clean water. The spray attachment on your garden hose works great for this. Be sure to rinse your engine well.
Once you've done this, take your truck
for a short drive to warm up the engine and dry the water that has puddled in the low points of the engine, and you're done!