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Thread: Thermostat 2.2dti

  1. #1
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    Default Thermostat 2.2dti

    i know this has been asked several times,but think i need to replace thermostat,please can you tell me if i need to replace full housing or just thermostat. many thanks !

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    Vehicle : Vectra

    Trim : Exclusive

    Engine : 1.9 CDTI


    Default

    Just the thermostat. It screws out of the housing. I've just changed the stat on my 2.2dti & its made a hell of a difference. The part no is QTH600k (quinton hazel part no).

  3. #3
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 131000

    Default

    your mpg will be better
    the cabin will be hotter when you put your heater on
    it will run better as well
    the car will heat up quicker as well

    as dave300776 said
    it makes a hell of a difference

  4. #4
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    Thanks for info ,will get one ordered.
    what sort of price am i looking at from the stealers.

  5. #5
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    Default

    just looked on ebay and it says qth600k thermostat is for a vectra B,mine is a vectra C 2.2 dti are they the same thermostat ???

  6. #6
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    Default

    am i looking at changing the housing unit ??

  7. #7
    Regular Member dcm23251981's Avatar
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    Default replaced thermostat now have a problem

    hi just replaced the thermostat it worked fine for a few hrs and now i only get warm air when driving and goes cold when at idle

  8. #8
    Regular Member macdad's Avatar
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    Default

    Could be an air lock,keep squeezing the hoses on rad or if needs be remove heater matrix pipes which go into the bulk head and see if there is coolant dripping,this should bleed the system.
    ps dont go burning yourself though.

  9. #9
    Regular Member dcm23251981's Avatar
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    if its not that what could it be? because when i refilled the system i left the right matrix pipe loose till coolant came out then topped up and ran engine with coolant cap off for about 30 min !!!!

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    anyone got dealers part number for a 2.2dti 2003 thermostat

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