I had an hour of spare time so I pressure washed the area, unbolted the PS pump, pushed it to the side, washed down the area ran a bead best I could down along the timing cover seam, bolted the pump back up.That was 3 months ago no leaks since. When I bought my truck it was always wet with engine oil near the PS pump area,and would leave a drop or two. Years ago I was given this tip and I used it on 2 different dodge trucks, one I followed up on ( Friend who owned a courior truck 200,000 kms 4 years later no leak)Īnyway back to the Tacoma issue of a leaking cover and no time to remove cover to fix.
The 5.9 Cummins 12v ran from 1989 until 1998 when it was phased out for the 5.9L Cummins 24v, also known as the ISB 5.9. It is the big brother to the 3.9L Cummins 4BT, which is essentially a 12v 6BT minus 2 cylinders. There is only splash/spray of oil from the gears under the cover no pressure, so the external bead of RTV seals the leak indefinitely. In 1989, Cummins and Dodge partnered with the 12v launching in Dodge /Ram’s 2500 & 3500 trucks.
It can be fixed easily if you wash down the area with brake clean and run a bead of Permatex "right stuff" along the seam of the cover. Dodge Ram 1500 5.9L Valve Cover Torque Specs : 8 ft-lbs Intake Manifold and Fuel Rail Installation. Be sure not to miss any bolts to avoid having oil leak out onto the exhaust pipes and cause a lot of smoking. The V8 mark is 17.5°after TDC and the V6 mark is 147° after TDC.
#1998 dodge ram 5.9 timing cover leak plus#
removing the cover to replace a gasket is time consuming (12 plus hours) and expensive, and given enough time it will leak again. Dodge Ram 1500 5.9L Timing Cover Bolts Torque Specs : 30 ft-lbs. Continue to rotate the engine slowly clockwise until the V6 or V8 mark on the damper (depending on engine type) lines up with the zero degree (TDC) mark on the timing chain case cover. I own a small automotive garage, and what they say is mostly true most mechanics don't have time to fix their own cars (at least the busy ones don't) Cummins 5.9 have an issue with timing cover gasket leaking oil near the water pump, as the bolt spacing is too far apart in that area, and the gasket breaks and a piece can fall out.
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