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. 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. Its from a police auction, it sat for 4 years in one spot until I bought it in April of last year. 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. In 1989, Cummins and Dodge partnered with the 12v launching in Dodge /Ram’s 2500 & 3500 trucks. 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. 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. removing the cover to replace a gasket is time consuming (12 plus hours) and expensive, and given enough time it will leak again. Its a 35.00 part and takes them 12 hours to get to via tearing apart the entire truck pretty much.
#1998 dodge ram 5.9 timing cover leak how to
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. (Edited) Yep, you read it right - I found out yesterday that I have a shot Timing Cover Housing Gasket (and water pump) on this truck - 2004 Dodge RAM 2500 5.9L Cummins. How to FIX a Leaky TIMING COVER GASKET On a 5.9 Cummins 4k LM Diesel 10.
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