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Thread: Which Oil to use

  1. 21st November 2019, 08:52 AM #1
    southaussiematt Guest

    Which Oil to use

    Morning all,

    This question comes as a result of a conversation that I have had with a Land Cruiser mate of mine who is also a mechanic.

    I have been putting 5W-40 full synthetic in my D2 when completing oil changes, as per the manual and recommendation from a local LR dealer.

    My mate is telling me that 5W-40 is to thin to be used in Australian conditions and I should be using either 10W or 15W-40.

    My question is what oil are other in the forum using? and am I shortening the life of an already older engine by using 5W-40 as my mate tells me I am.

    Cheers

    Matt
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  2. 21st November 2019, 09:00 AM #2
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    rick130
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    Oh FFS.....

    He has no idea what he's talking about....

    I'll post a link later on what the numbers mean. Which Oil to use
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  3. 21st November 2019, 09:53 AM #3
    shack
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    Welcome to backwards land!
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  4. 21st November 2019, 10:10 AM #4
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    Which Oil to use

    Hi Matt - Rick will post details showing the winter rating 5W or 10W is irrelevant once the oil is up to operating temp.

    So either 5W-40 or 10W-40 is fine.

    Be wary of using a 15W-40 in winter or very cold climates as this can be too heavy from a cold start - at least until the oil warms up.
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  5. 21st November 2019, 10:39 AM #5
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    According to this chart, 5W40 is good from -30C to +40C
    I use 10W40 to cover from -25C to +45C
    Does the engine oil get much hotter if the outside temps are hot? I would think that the cooling system takes care of the heat.
    I got this chart from What does 5W-30 actually mean? - Rymax Lubricants
    D2a Td5 Manual, Chawton White. aka "Daisy"
    Build date 11th Oct 2003
    Freelander 2 2011, manual, the daughter calls it Perri
    Before I had a Land Rover I did not have any torque wrenches. Now I have three.
    LROCV #1410
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  6. 21st November 2019, 12:20 PM #6
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    Here's an article on just this subject in issue 2 of loaded4x4 (shameless plug!! Which Oil to useWhich Oil to use)

    https://www.loaded4x4.com.au/issue-003/#95

    Any more questions just ask. Which Oil to use
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  7. 21st November 2019, 12:26 PM #7
    knuts2au
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    And HPR5 diesel is on special this week at SuperC**** !
    PeterN
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  8. 21st November 2019, 01:30 PM #8
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    Quote Originally Posted by knuts2au View Post
    And HPR5 diesel is on special this week at SuperC**** !
    Plus I have an unopened bottle that I don’t need anymore as I now have a D4...
    "Land Rover - making mechanics out of everyday motorists for nearly 70 years"
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  9. 21st November 2019, 01:45 PM #9
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    Quote Originally Posted by rick130 View Post
    Oh FFS.....

    He has no idea what he's talking about....

    I'll post a link later on what the numbers mean. Which Oil to use
    And a mechanical really should have a better understanding of oil ratings IMHO. Its the basics of oil...
    Shane
    2005 D3 TDV6 loaded to the brim with 4 kids!
    http://www.aulro.com/afvb/members-rides/220914-too-many-defender-write-ups-here-time-d3.html
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  10. 21st November 2019, 03:37 PM #10
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    Quote Originally Posted by knuts2au View Post
    And HPR5 diesel is on special this week at SuperC**** !
    Suitable for a Freelander? According the SuperC&&&& Only the Semi synthetic
    D2a Td5 Manual, Chawton White. aka "Daisy"
    Build date 11th Oct 2003
    Freelander 2 2011, manual, the daughter calls it Perri
    Before I had a Land Rover I did not have any torque wrenches. Now I have three.
    LROCV #1410
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