Question about 1999 Dodge Ram
Could be just the sending unit for the gauge or warning light.
If it really did loose oil pressure it could be the oil pump or the screen in the pan.
Posted on Jan 16, 2013
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Posted on Jan 02, 2017
SOURCE: Losing Oil Pressure in Dodge Ram
I have a 1999 dodge ram with a 5.9liter. Come to a stop and bam no pressure. Replaced sending unit twice. First after market, then mopar. Problem is still there. Replaced pump. Problem was still there. So I talked to tons of dodge mechanics, and this is the real problem. Who ever said that these engines are none for sludge is just reall really stupid. BOTTOM LINE ON THAT FACT. Sludge comes from neglect...
Dodges oil pump makes 8-10 Psi at idle. Always mechanically test that no MATTER what. But the sending unit needs 12-14 psi to read it. So what happens is the engine warms up, and the oil thins. Then you come to a stop, and rpms are low, and your not producing enough psi for the sending unit to read it. So your truck is fine. But if the chime is getting to you. Install a high volume pump. I returned the stock one, and got the high volume pump. I will bet if you change your oil every 3,000 miles you will not see sludge at all. If your dodge has high miles replace valve cover gaskets, becauce the high volume pump may cause the gaskets to leak. Whoever said ther none for sludge just has no love for a dodge, or is a moron mechanic that is stuck in his ways. High volume pump is the fix $85.00 plus pan gasket. If you have a 4x4 you can do it yourself. Drop the starter. Remove torque converter cover. With a 13mm socket with a variety of extentions, and removing a dozen bolts. Do it yourselfer will complete it in 4 hours....
Posted on Mar 24, 2009
Sticker should be right on top of compressor...Don't use anything with sealer in it. I don't recommend doing anything else but perhaps a squirt into a known good slightly low system without complete equipment and training or it can cost more in the end than having it done for you.
Posted on May 28, 2009
There are several reasons. The oil viscosity can make a difference and if the oil is contaminated with fuel. Wear in the oil pump and all of your bearings starting with the main crankshaft bearings and the connecting rod bearings. The wrong or bad oil filter.
When cold oil flows it plugs leaking bearings and oil gears. When the oil warms, the wear in the bearings (gaps) can't hold back the thin oil and the pressure drops. If the bearings are replaced before the crank and cam are damaged, the pressure will be maintained.
Posted on Jul 07, 2009
according to the owners amnual the max towing weight for a 1999 ram 1500 quad cab wit automatic transmission is 7600 lb.
with either 5.2 or 5.9 v8. for a reg cab it is 8000 lb.
Posted on Jul 23, 2009
you need to put an oil pressure gauge on it and see what happens.what you will find is that the sender unit is no good.
Posted on May 18, 2010
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