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Thread: D2 TD5 Engine Oil Pressure

  1. #1
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    D2 TD5 Engine Oil Pressure

    My TD5 finally has a new oil pressure gauge after 2 years of me fluffing around. It come with a settable low pressure warning.

    Can anyone definitively tell me what is normal hot idle pressure/at what idle pressure should I become concerned?
    When hot, mine will idle about 15 psi, and can drop a couple of psi further if I blip the accelerator.
    When cold, pressure will rise to 60 psi once mobile.
    Over to the wise?
    MY16 D4 TDV6 - with a little Cambo magic for towing "The Brick"
    MY95 RRC LSE Vogue Softdash "Bessie" (turning circle comparable to QE II) with MY99 TD5 and 4HP24 transplants. Back home Nov 22 after a magic overhaul by Chivalry
    SADLY SOLD MY04 D2a TD5 auto Classic and MY10 D4 2.7 both with lots of goodies

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    Mate ive put a guage on 1 ehere the oil light was coming on at idle, it was 7.5 to 8 psi. The issue was swarf under the relief valve plunger, and cold pressures i have seen 60+!😲
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

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    Quote Originally Posted by justinc View Post
    Mate ive put a guage on 1 ehere the oil light was coming on at idle, it was 7.5 to 8 psi. The issue was swarf under the relief valve plunger, and cold pressures i have seen 60+!😲
    G'day Justin - long time no see!
    What happened to the idle hot pressure psi after you removed the swarf etc?
    MY16 D4 TDV6 - with a little Cambo magic for towing "The Brick"
    MY95 RRC LSE Vogue Softdash "Bessie" (turning circle comparable to QE II) with MY99 TD5 and 4HP24 transplants. Back home Nov 22 after a magic overhaul by Chivalry
    SADLY SOLD MY04 D2a TD5 auto Classic and MY10 D4 2.7 both with lots of goodies

  4. #4
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    .... didn't check it again with the guage.. . Stuck the sender back in after removing the offending curl of aluminium from manufacture id say, and all was well again. That was 5 or more years back and engine still going well!🙂
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

  5. #5
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    Quote Originally Posted by gavinwibrow View Post
    My TD5 finally has a new oil pressure gauge after 2 years of me fluffing around. It come with a settable low pressure warning.

    Can anyone definitively tell me what is normal hot idle pressure/at what idle pressure should I become concerned?
    When hot, mine will idle about 15 psi, and can drop a couple of psi further if I blip the accelerator.
    When cold, pressure will rise to 60 psi once mobile.
    Over to the wise?

    Anyone know the answer to the bit in bold for a TD5?
    MY16 D4 TDV6 - with a little Cambo magic for towing "The Brick"
    MY95 RRC LSE Vogue Softdash "Bessie" (turning circle comparable to QE II) with MY99 TD5 and 4HP24 transplants. Back home Nov 22 after a magic overhaul by Chivalry
    SADLY SOLD MY04 D2a TD5 auto Classic and MY10 D4 2.7 both with lots of goodies

  6. #6
    discorevy is offline ChatterBox Silver Subscriber
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    Hi Gavin , was a while since I tested one but if I remember correctly, yours seems right ( I think the warning switch activates around 7psi ) so if you set your warning to around 8 psi that should be OK, anywhere between 22-45 psi is normal for driving while hot. Obviously idle when cold will be much higher but if you're seeing above 60 ( hot or cold then your relief valve might be stuck) , cold idle might be around 40 psi depending on wear

  7. #7
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    Quote Originally Posted by discorevy View Post
    Hi Gavin , was a while since I tested one but if I remember correctly, yours seems right ( I think the warning switch activates around 7psi ) so if you set your warning to around 8 psi that should be OK, anywhere between 22-45 psi is normal for driving while hot. Obviously idle when cold will be much higher but if you're seeing above 60 ( hot or cold then your relief valve might be stuck) , cold idle might be around 40 psi depending on wear
    Thanks Craig. My alarm from factory activates at just above 10 psi, and when the TD5 is hot, will drop to about 10 on idle, and just below on a trailing throttle, or when I blip from idle.
    So, i will re-set it at 8 or 9 psi, and should be fine.
    Thanks for that.
    Cheers Gavin
    MY16 D4 TDV6 - with a little Cambo magic for towing "The Brick"
    MY95 RRC LSE Vogue Softdash "Bessie" (turning circle comparable to QE II) with MY99 TD5 and 4HP24 transplants. Back home Nov 22 after a magic overhaul by Chivalry
    SADLY SOLD MY04 D2a TD5 auto Classic and MY10 D4 2.7 both with lots of goodies

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