Forum Discussion

vw's avatar
vw
Explorer
Oct 20, 2018

radiator

hi
I have a 2006 Winnebago journey C-7 cat. 50000 miles I have no over heating problem but should I just drain the radiator and refill with new coolant.?
rudi

18 Replies

  • Did you just get it?

    Every five years ALL fluids should be changed; differential, coolant, power steering, transmission, air suspension desiccant filter,etc.
  • Your vehicle came with an owners manual that has a maintenance schedule and suggested fluids. If you would like it to perform as well as possible for the longest time possible, I suggest you read and follow it unless you have specific reasons not to. I heard that . . . . , my friend said that . . . ., I read on the internet that . . . . are not good reasons to ignore the owners manual. Yes, it's that simple!


    Chum lee
  • Tom/Barb wrote:
    vw wrote:
    hi
    I have a 2006 Winnebago journey C-7 cat. 50000 miles I have no over heating problem but should I just drain the radiator and refill with new coolant.?
    rudi
    Your Cat-C7 probably has a coolant filter. If it does, change the filter, replenish as required and leave it alone.
    contact you local Cat, service center to know for certain.


    If your engine does have a coolant filter, the correct filter DEPENDS COMPLETELY ON WHAT COOLANT CHEMISTRY YOU CHOOSE. If Caterpillar ELC (a good choice with a Caterpillar engine) the filter is a BLANK (filter media only, no SCA). But it in and forget it for 6 years.

    Yes, if you choose a "low silicate coolant for diesel with added SCA, the filter may be different (depends on whether your new coolant already contains the initial dose of SCA or not).
  • vw wrote:
    hi
    I have a 2006 Winnebago journey C-7 cat. 50000 miles I have no over heating problem but should I just drain the radiator and refill with new coolant.?
    rudi
    Your Cat-C7 probably has a coolant filter. If it does, change the filter, replenish as required and leave it alone.
    contact you local Cat, service center to know for certain.
  • At a minimum, along with a coolant flush and new coolant, replace the thermostat(s). Caterpillar calls them regulators.

    Be sure to check/change your V belt that drives the water pump-- it is NOT on an automatic tensioner.
  • Follow your manufacturer’s recommendation and I’ll bet you are overdue time wise.
  • Imo...13 year old coolant...
    I'd be doing more than drain and refill. I'd be doing at complete back flush. For the fun of it, pick up a ph strip and see how corrosive your coolant is now.