cool running 2.1td
Moderator: RichardW
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cool running 2.1td
my xantia 2.1td is running to cool and has done since i got the car about a year ago, i think that either the thermostat is stuck open or is missing, it sits at around 65c pretty much all the time apart from when i get stuck in traffic when it will eventually creep up to around 90c and the fans cut in ,my local garage said it's not a easy job changing the stat as it's behind the water pump, is this true ,f thats the case i'll just have to leave it.
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Mine is pretty much the same, has been since aquired back in April or May. Although it takes a lot to get it hot enough to have the fans on - happened in heat of the summer in heavy traffic a few times but it never overheated.
Additionally, I have a very minor coolant leak and topping it up slightly changes the characteristics you mention. We suspect a "lazy" stat as the test to tell if one is fitted and trying to function is - starting from cold, compare the top hose to the thermostat housing. My hose remained stone cold while the housing got warm/hot first.
Additionally, I have a very minor coolant leak and topping it up slightly changes the characteristics you mention. We suspect a "lazy" stat as the test to tell if one is fitted and trying to function is - starting from cold, compare the top hose to the thermostat housing. My hose remained stone cold while the housing got warm/hot first.
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The thermostat is at the back of the engine, bottom corner cambelt end. Its not the easiest thing to work on but I have changed a couple and its quite do-able. You cant see much of it but its not to difficult to do by feel. Its a fairly standard thermostat housing cover with three bolts holding it on. You will need a 1/4" drive ratchet and I think they are 11mm bolts. Do be careful to put the thermostat in the right way round, as its in the return pipe, the capsule faces outwards.
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Link to the picture of the 2.1 stat, taking from pr.net. presumably if you look deep enough the same will be on citroen service...
2.1 stat
2.1 stat
Richard W
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It's like LHM in the hydraulics. There's always that last bit!davethewheel wrote:you probably can get to it through the wheel arch, i just found it easier to do it from underneath, i thought id drained most of the water off but i was wrong and found that out when i pulled out the stat, i should have known better
Craig Keller
Gerringong
Australia
"A little dab of LHM goes a long way!"
Gerringong
Australia
"A little dab of LHM goes a long way!"