Question about 2004 Dodge Ram 1500
They have five minute flushes they sell at auto parts store
Posted on Feb 22, 2012
Posted on Feb 23, 2012
Re. sludge - You can use national or store brand flushing compounts available at auto parts stores. Depending on how bad it is, it might require several flushes. Be sure to change the oil filter before and after you do it so you have a fresh filter to trap the accumulated **** trapped with the sludge, and then a fresh filter with the new oil. These products are generally used with the oil currently in the crankcase, and you add one quart of this product. This means you may have to go through several oil changes at 2000 miles (or interval specified in owner manual) to do this.
I've also heard of adding a quart of kerosene and running the engine for a few minutes, but it is not something I am willing to try.
Re. low oil pressure: If the restriction is between the oil pump and the oil pressure sensor, the flush may clear it out sufficiently to show increased pressure. If the oil pressure remains low, it could be either a worn oil pump or, more likely, worn clearances between bearing surfaces (e.g., main bearings, rod bearings, rocker arm bearings, Etc.), you might get away with using a heavier weight oil. If you are using 10-40, try 20-50. If you are using 30W, try 40W. Oil additives such as STP may also help. If it is using oil and it is not leaking or dripping out, the piston rings are worn, and you need to rebuild the engine. This involves regrinding the crankshaft bearings and replacing the mains and the bearings on the rods. It also involves replacing the camshaft bearings and resurfacing cam bearing surfaces and cam lobes. It also involves replacing the rocker arm assemblies. The cylinders will need to be rebored and oversize pistons installed. I used to do this many years ago as a hobbyist, so hopefully I haven't overlooked anything or any other possibilities.
Posted on Feb 23, 2012
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Posted on Jan 02, 2017
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