Freightliner Cascadia Head Gasket Leak “OUTER”.

Discussion in 'Freightliner Forum' started by Alberto’s Trucking, Jul 26, 2020.

  1. Alberto’s Trucking

    Alberto’s Trucking Bobtail Member

    Aug 27, 2019
    07/25/2020 @ 2100

    Seeking advice...
    After chasing an antifreeze leak for over a year; it has come to a “outer” HEAD GASKET LEAK. I had the oil coolant housing “gasket”, changed and upon removal; we noticed the leak from the head gaskets and not the oil coolant housing. We replaced the oil coolant housing gasket and installed a missing bolt that holds the housing. I asked the mechanic if he saw any contamination in the oil when he changed the oil and during the repair; and he said “no”. Nor are there any contaminations in the antifreeze reservoir nor on the oil dip stick. I drive the rig within a 75 mil radius for no more the 300 miles a day, but something 150 miles, and after working the entire week and stoping on Friday evening; I checked for leaks ie. residue around the head gasket or around the oil coolant housing, and oil dip stick and hoses. There was a some residue outside the oil coolant housing but not as much as previously before the gasket was replaced. No contamination on the oil dip stick either, nor any residue around the hoses which were my first tell, tell signs or warnings from the beginning of the chase.
    I’m a fairly new owner operator with a 2015 Freightliner Cascadia with a DD13.
    I drive to the Ports of Long Beach, and home every night, mechanics abound, I have some money for the repairs, but one mechanic says he can turn it around in four days, but has yet to give me a price, another says $5000 roughly. What am I looking at as far as price? What is reasonable price? Is there level of kits that can be reinstalled What are my options...?

    Thanks for your time and expertise...

    Alberto Orozco

    Attached Files:

    Last edited by a moderator: Jul 26, 2020
    Reason for edit: Remove phone number
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

    Aug 26, 2014
    I am not normally much on fix it in a bottle type products but I would try sodium silicate - water glass on that first.
    Sounds like you are off on weekends? Thursday evening I would drain the radiator and block into a clean container. Then fill it with water. When you make the flip flop on Friday pour it in and come home. Then drain the radiator and block. Put your coolant back in it Sunday evening. Change the coolant filter.
    Removing a radiator cap on a hot engine could be a discussion in it's self. Be careful.
    The product can be bought a a drug store but I have bought at the parts store labeled as products like K&W block sealer. Poured in all the clear liquid and threw most all the thick stuff at the bottom in the trash. Have concerns of it stopping up heater and radiator cores. Some of these late model units have very small passages in them.
    Last edited: Jul 26, 2020
    Rideandrepair, baha and rachi Thank this.
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