lower temp radiator thermostat fan switch

[vaggelis00]

i want to replace the original radiator thermostat with one tha works from lower temps. my calibra is a c20let 4x4 turbo with A/C. until now i was not able to find a lower temp radiator thermostat. the problem i have is the A/C. if i use one from C20XE without A/C my A/C will not work. can you please give me some help??? my car is overheating with the current setup and here in Greece the weather is really hot

[James101]

why will the A/C not work with a C20XE lower temp radiator thermostat???

[vaggelis00]

dont now. i am sure about it because i have tested. when i press the A/C button it light up but the A/C is not starting to work

[James101]

i wud have a look at the air con fuses first, sounds like there is a fault somewhere coz the XE and LET have the same thermo

[vaggelis00]

fuses and stuff are ok. when i change the thermo with a C20XE the A/C will not work. when i use again the old thermo everything works fine but the first sclae of the fan works at 105 degrees till 100 and the second where the problem is starts at 120 till 115

[James101]

have u took the old one out and tested it?
http://www.autovaux.co.uk is a good site for parts
send STEVA a message, go to members, find a member, in username type STEVA (in caps) , he has a turbo m8

[steve08]

hi mate have u tryed a cool running thermostat they open 10 degrees earlier than the oe item plus calibra bumper is quite restrictive wen it come to gettin cold air to the rad

[vaggelis00]

the bigger problem started when i fitter the intercooler at the gap of the front bumper. there is less cold air feed now. this why i need to find a lower rad fan switch

[James101]

did u have a c20xe in before the let? coz i u anit changed ur ecu then thats why its over heating, the xe ecu is tellin the fan to kick in at that certen temp try ebay m8

http://shop.ebay.co.uk/items/_W0QQ_dmptZUKQ5fCarsPartsQ5fVehiclesQ5fCarPartsQ5fSM?_nkw=c20let+ecu&_sacat=0&_trksid=p3286.m270.l1311&_odkw=c20let+thermostat&_osacat=0

[Callyman]

did u have a c20xe in before the let?

It's a 4x4 so it's always been a LET.

Not so sure the ECU decides what temp to switch the fan on, surely it's the switch.

[James101]

it wont it'll be the temperature sensor running through the ecu that decides wen the fan is to kick in

[vaggelis00]

i messed everything guys. my car is 4x4 and LET from factory
i believe its all about the rad switch but i need ideas...

[Callyman]

Have you had to cut away the front bumper to fit the fmic? I did on mine and am now thinking i may cut it away some more so air can pass 'around' the fmic also. Is the standard FMIC still in place? if so removing it allows more air flow to get to the enigine.

[Callyman]

All i can find online is this
http://www.lmfvauxhall.co.uk/store/home.php?cat=1601
and this on ebay
160344057532

[vaggelis00]

Two pin plug (for use without A/C). this is my prob. i have A/C and need it working