Location of engine coolant temp sensor
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Thread: Location of engine coolant temp sensor

  1. #1
    SOPHOMORE ROVER
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    January 10th, 2009
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    Location of engine coolant temp sensor

    alrighty... I know I'm probably gonna sound like a moron, but here goes...

    can anyone please point me in the right direction of the ECT (engine coolant temp) sensor please (2000 4.6, Bosch).

    i just finished replacing plugs (close to impossible)

    gave up on replacing plug wires (impossible) (can this be done without removing the upper intake?

    and i would like to change the sensor while i have the hood up and garage warm...

    thanks in advance...
    Maurice

    "there are no stupid questions... only stupid people asking questions."
    1st: 1999 Discovery S1
    2nd: 2000 4.6 HSE
    3rd: 1998 4.6 HSE
    4th: 2001 30th Ann. Edition
    5th: 2003 HSE

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  3. #2
    Premium Member
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    Wellington, Somerset, UK
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    Re: Location of engine coolant temp sensor

    RAVE says to remove the alternator to gain access to the sensor. I guess it's around there somewhere.

  4. #3
    JUNIOR ROVER
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    Re: Location of engine coolant temp sensor

    Here you go
    Attached Thumbnails Attached Thumbnails Location of engine coolant temp sensor-ect-location.jpg  
    2000 P38 4.6 Vogue lpg
    1997 P38 4.6 HSE lpg - sold
    2000 Mercedes SL320 - lpg
    1976 Ford Gran Torino Starsky & Hutch Limited Edition (restoration project)
    1978 VW type 2 camper
    2000 Saab convertible lpg - sold
    1970 VW Beetle wizard convertible

  5. #4
    FRESHMAN ROVER ju1cy1's Avatar
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    June 30th, 2007
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    Lake Mills, Wisconsin, USA
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    Re: Location of engine coolant temp sensor

    Hey, if you need any help with changing you plug wires let me know...I had to replace my coil pack, so while I had the upper intake off, I replaced wires, plugs and valve cover gaskets...It takes some patients, but can be done...Also, the dredded O-rings which I found rather easy to do, after reading up on here...Lot of great ideas come from this site...Jesse...

  6. #5
    JUNIOR ROVER
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    June 25th, 2007
    Location
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    Re: Location of engine coolant temp sensor

    Having just taken my alternator off I can confirm that would be the easiest way to get to the sensor, but if you intend taking the upper manifold off anyway you can get to it that way.

    It is possible to replace plug leads without removing manifold, but it is a pig of a job.

    There is plenty of info on here on how to do it, but basically

    Lift the bonnet to it's vertical access position.
    Put an old piece of carpet or something across the top of the engine and then lie on this so you can get to the back of the engine.
    Then remove and replace 1 lead at a time mainly by touch so as not to get leads mixed up.

    Good luck
    2000 P38 4.6 Vogue lpg
    1997 P38 4.6 HSE lpg - sold
    2000 Mercedes SL320 - lpg
    1976 Ford Gran Torino Starsky & Hutch Limited Edition (restoration project)
    1978 VW type 2 camper
    2000 Saab convertible lpg - sold
    1970 VW Beetle wizard convertible

  7. #6
    SOPHOMORE ROVER
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    Re: Location of engine coolant temp sensor

    Quote Originally Posted by ju1cy1
    Hey, if you need any help with changing you plug wires let me know...I had to replace my coil pack, so while I had the upper intake off, I replaced wires, plugs and valve cover gaskets...It takes some patients, but can be done...Also, the dredded O-rings which I found rather easy to do, after reading up on here...Lot of great ideas come from this site...Jesse...
    thanks for the help everyone, as usual everyone is top shelf... I dont have a lot of experience bustin wrenches on these newer vehicles, all my expereice comes from Air cooled VW's, so... Im going to be taking off my upper intake anyways (valve cover leaking) about how long did this job take you? anything I should know/ watch out for/ keep in mind/ etc...? Also my rangie is a bit of a princess so there isnt really anything else wrong with her but is there anything else that i should change while i have the upper intake off? list of things im assuming...

    thanks in advance...

    Maurice
    1st: 1999 Discovery S1
    2nd: 2000 4.6 HSE
    3rd: 1998 4.6 HSE
    4th: 2001 30th Ann. Edition
    5th: 2003 HSE

  8. #7
    JUNIOR ROVER
    Join Date
    June 25th, 2007
    Location
    Wales, UK
    Posts
    517

    Re: Location of engine coolant temp sensor

    Quote Originally Posted by gw2doc
    [
    all my expereice comes from Air cooled VW's, so... Im going to be taking off my upper intake anyways (valve cover leaking) about how long did this job take you? anything I should know/ watch out for/ keep in mind/ etc...? Also my rangie is a bit of a princess so there isnt really anything else wrong with her but is there anything else that i should change while i have the upper intake off? list of things im assuming...

    thanks in advance...

    Maurice
    Likewise a fair bit of my experience was from air cooled VW- still is and MG's

    It would be worth checking the condition of the oil breather hoses from both rocker covers and check, clean or replace the the PCV valve on the right hand bank rocker valve cover.

    Have you a copy of RAVE - it will show proceedure and give all torque values and correct order to re torque manifold etc
    2000 P38 4.6 Vogue lpg
    1997 P38 4.6 HSE lpg - sold
    2000 Mercedes SL320 - lpg
    1976 Ford Gran Torino Starsky & Hutch Limited Edition (restoration project)
    1978 VW type 2 camper
    2000 Saab convertible lpg - sold
    1970 VW Beetle wizard convertible

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