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Thread: How long does it take your EU3 TD5 to warm up?

  1. #1
    Join Date
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    How long does it take your EU3 TD5 to warm up?

    I just relocated my Digital temp gauge to the thermostat housing and I think it is probably pretty accurate as the ambient temp seems OK in the morning.

    The gauge tells me that the engine takes about 5Km to reach about 80C , and the gauge stays between 80-88 all the time. Ambient this morning and recently about 15-18C.
    I am used to a conventional thermostat on my old 3.9 and it would be at 86-88C after about 1.5Km.
    Does the long warm up time mean that my thermostat is not closing fully? or is it normal for the engine to show a cool temp at the top hose outlet with the incredibly complex hose system on a TD5?
    I know diesels don't make much heat while just plodding along but it seems unusual.
    Regards Philip A

  2. #2
    Join Date
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    sounds about right, mine does not warm up any quicker.
    petrols do warm up quicker generally.

  3. #3
    Join Date
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    x2 about 5 km
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies

  4. #4
    Join Date
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    I think it's pretty much the same for the EU2 and EU3 motors. It took about 15 minutes of puddling along in traffic with 10°C ambient this morning before the engine got up to normal operating temp.

    Before the thermostat opens coolant still flows out of the top outlet and through the heater and the radiator bypass down to the coolant rail.

    cheers
    Paul

  5. #5
    Join Date
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    My 99 D2 TD5 takes about 3 km before the car temp guage shows that the engine is warm(about 60deg C, TM2 reading). From 60, up to 92deg C(92 is the normal running temp of the motor) could take up to 30 km before the head to comes up to temperature.

    The sensor(TM2) is mounted on the rear left hand side of the head on one of the unused bolt holes.

    The tacho rarely makes it above 2500rpm and EGT's are mostly kept below 500deg C. I get bloody good fuel economy though(830km+ city driving before the fuel light comes on).

    Cheers,

    Jason

  6. #6
    Join Date
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    My TD5 also takes ages to warm up. If I am leaving home in the morning. I can probably drive nearly 10km in light urban traffic (50-60km/h zones) before the temp gets to 90c. I am using a temp sender in the top radiator hose. With an Madman EMS 2 gauge.
    If I am going out on to the HWY. 3km of 60km/h then another 3km of working upto 100km/h will get the temp up faster. But these cold mornings the auto is holding onto 3rd for longer.

    The factory gauge barely moves till it gets to 70-75c. Then it rises quickly to the middle. Where it dosent move till over 118c atleast.

    I wish there was a way to have a fast idle switch or similar to try and get more heat into. As leather seats on a cold car are bloody cold on the bum.

  7. #7
    Join Date
    Oct 2011
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    Put sheepskins in - you will never look back (nor will you have a cold back for long!!)
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies

  8. #8
    Join Date
    Oct 2012
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    eng. temp.

    My 99 D2 td5 takes about 5 kms. to get up to 80 deg and seldom goes over 90c. in the summer. I drive at 100 kms on country roads to get these timings.
    X2 on the sheepskins. Cost a packet ($540) but are made to measure and I love them to bits.

  9. #9
    Join Date
    Jul 2010
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    Hunter Valley NSW
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    My TD5 also takes its time warming up but the heated seats warm very fast

  10. #10
    d@rk51d3 Guest
    Dad's D2a TD5 takes 3-5km to warm up properly.
    Sounds about right to me.

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