leegt
Part of things
Posts: 32 
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Sept 18, 2016 18:22:51 GMT
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Hey guys, the car runs a little hot, it's not to bad but between half way and 3/4. The stat is part of the housing so can't be swapped for a lower temp one. So hoping I can get an inline one with say an 80 degs stat. Anyone know of any??? I e had a look on eBay but all in America. Hoping I can order and get one this week for a trip out at the weekend
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Last Edit: Sept 18, 2016 18:23:21 GMT by leegt
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gazz81
Part of things
Posts: 842
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Sept 18, 2016 18:31:28 GMT
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Are you referring to the thermostat or the temperature switch? I always thought that the thermostat was replaceable part on all vehicles?
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Sept 18, 2016 18:34:48 GMT
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IMO your problem is rad not cooling enough rather than stat. Stat restricts / stops flow until engine has warmed up and doesn't make an engine run hotter unless only partly opens. A lower temp stat won't stop it still running hot.
Do you have an electric fan ? Is it working ? Is rad clear of debris ?
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Sept 18, 2016 18:39:27 GMT
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what is it?
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leegt
Part of things
Posts: 32
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Sept 18, 2016 19:26:37 GMT
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An ax but vtr engine in! I know what a stat does, with it out the temp barely reaches 50 degs so the rad must be capable of cooling Obviously fairly well  . The stat is built in to the fitting the top hose attaches to. What I'm trying to do is bring down the running temp from 95. Which I suppose is no bad thing to around 85. Fan etc all works ok |
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Sept 18, 2016 19:33:22 GMT
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Jaguar S-Type 3.0 SE
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ChasR
RR Helper
motivation
Posts: 10,201
Club RR Member Number: 170
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Inline statChasR
@chasr
Club Retro Rides Member 170
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Sept 18, 2016 20:16:21 GMT
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An ax but vtr engine in! I know what a stat does, with it out the temp barely reaches 50 degs so the rad must be capable of cooling Obviously fairly well . The stat is built in to the fitting the top hose attaches to. What I'm trying to do is bring down the running temp from 95. Which I suppose is no bad thing to around 85. Fan etc all works ok Hang on, I am attempting to decipher what you are saying. You have an AX, but with a VTR engine ; which? Saxo or an C2? If a C2, I know the TU5J4 in my 106 GTi had a seperate 'stat, but a JP4 may be combined How can you run the car without the 'stat? Are you using another top hose attachment? If it's running at 95 degress and is a later engine from a C2 I wouldn't worry too much. Alot of engines now run closer to 100 degrees for emission reasons. Like you the owner of my last Stag thought the same. For some time it would run without a stat and not heat up much in town or on the road. On the motorway it got hot. A new rad later and it never overheated. With ducting towards the rad it ran even cooler, with the thermostat fitted  . I think my E36 had a 92 degree item from the factory... What radiator are you using? If you are still using an AX rad the thermostat will be a band aid solution. I know my 106 GTi and the Saxo VTRs I saw ran a larger rad than the 106s. Is it a new rad or old? |
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Sept 18, 2016 20:18:26 GMT
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An AX with a VTR engine shouldn't run hot, they use basically the same rad in both cars - an inline stat isn't the answer. Either the old stat is faulty or there's something funny going on with the plumbing. Or the gauge!
All the VTRs I knew had a normal stat, is this a late engine? you could probably put an early VTR stat housing on it and use a normal thermostat.
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leegt
Part of things
Posts: 32
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Sept 18, 2016 21:19:31 GMT
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Hey guys thanks for the input so far, I think I worded the last message a little wrong and may have come across a little aggressive, just re-read it so sorry Yes most cars now run around 100 degs for efficiency and emissions reasons that's why they stopped putting gauges in and panicking the people driving them . I'm sure it's doing no harm, it doesn't use any coolant so probably OK The stat sort of twists in to the top plastic fitting so is removable but a a standard one doesn't fit. See pic m.ebay.co.uk/itm/Citroen-Saxo-1-6-VTL-VTR-89-C-Open-Temperature-Genuine-Nordic-Coolant-Thermostat-/291792403642?nav=SEARCHThe rad is a 106 diesel rad so core area is bigger than any off the other saxo/106 variants. It may not be as thick as say a vtr/s so cooling effiency maybe around the same?? |
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Sept 18, 2016 21:58:27 GMT
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As Cobblers has said, can you convert to a different housing that takes a more conventional thermostat? Should be easy enough to find a housing from an earlier TU engine.
I know where you're coming from wanting it to run cooler, sounds like the cooling system is working fine, you just have to wait until it's quite hot before it starts circulating through the radiator. I've seen cars with coolant temps of over 100deg (Ecu temp reading) before the stat has opened and the rad gets hot.
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. The stat is built in to the fitting the top hose attaches to. What I'm trying to do is bring down the running temp from 95. Which I suppose is no bad thing to around 85. Fan etc all works ok 
. I think my E36 had a 92 degree item from the factory...