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Thread: oil lines

  1. #1
    Join Date
    Mar 2012
    Posts
    3

    Default oil lines

    Does anyone else have trouble with the stock oil cooler lines leaking? It seems I replace them every couple years. Is there a way to fix them without removing them from truck. The one I have a problem with now is leaking at the junction between the hard alu. line and the rubber line. Real annoying and they are a pain to change. Thanks for any feedback

  2. #2
    Join Date
    Feb 2007
    Location
    Baja California Sur Mexico
    Posts
    2,804

    Default

    I hear that your problem is common, and there are after market hoses. I have 3 of these trucks with no cooler lines problems, one with 25 years use. One is in rebuild, would like to know alternatives to the stock system.
    Grant H.
    1995 6.5 turbo GMC K2500 extra cab 4x4 pickup, PMD under bumper, mechanical wastegate, 228,000 miles, rebuilt engine, 4.10 diff, 16 mpg
    1994 6.5 turbo GMC K2500 4x4 suburban "F" VIN #9 resistor, PMD in the bumper, mechanical waste gate, 226,000 miles, Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

  3. #3
    Join Date
    Dec 2008
    Location
    Conesus N.Y.
    Posts
    100

    Default

    I have a few GM's diesel and not. I have found out you are going to pay more but using GM part for the oil lines is the only way to go. I just had an aftermarket line blow off and lost all oil in seconds. Caught it just in time but could have lost engine. Not worth it. That line was on for only a year. They do make kits to use fittings and rubber hose.
    I have a 1997 horton 4X4 ambulance converted into a motor home. New hot glow plugs, remote PMD and cooler and air induction kit. New duramax fan and 180 degree thermostates. I also own two 99 suburbans.

  4. #4
    Join Date
    Mar 2012
    Posts
    3

    Default Follow up on oil lines

    Quote Originally Posted by quvia1 View Post
    I have a few GM's diesel and not. I have found out you are going to pay more but using GM part for the oil lines is the only way to go. I just had an aftermarket line blow off and lost all oil in seconds. Caught it just in time but could have lost engine. Not worth it. That line was on for only a year. They do make kits to use fittings and rubber hose.
    I recently installed oil lines made by Leroy Diesel. They are not real easy to install but I will say this I doubt they will ever leak. The hoses have a heavy stainless steel jacket with the only connections at the engine and the cooler. I had to remove the front driveshaft and the oil filter is mounted on a device that turns it 90 degrees to clear the driveshaft. I had to remove that also. But I did not have to remove the crossover pipe. If you order this also order new o rings for the oil filter mount. Mine were all dry rotted. Since I am not a mechanic by trade it took me the better part of a day to figure it all out. 1996 Chevy K2500 Suburban bone stock.

  5. #5
    Join Date
    Apr 2017
    Posts
    16

    Default

    The guy I bought My K3500 from had installed some kind of aftermarket hoses.
    I will look it iver in the daylight and post back what they are. He may have had them made at a parts store, not sure on that though.
    2000 Chevrolet K3500 crew cab and long box, auto trans
    Relocated PMD W no. 9 resistor, gauge tower, boost, Pyro and trans temp. enhanced shift controller.
    Home made aeroquip oil cooler hoses.
    Added on Glow Plug Relay with manual push button along with the factory GP controller.
    3-1/2" exhaust with 4" tip. Straight through, no muffler and not too loud at all.

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