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Ok new info: With the engine running I removed the black sensor plug and the guage went down to only 75! That isn't right surely? Without the plug it should drop off the scale? Would this suggest a short?

NO!!!!!!!!!!!!!!!!!!!!!! It's still doing it. After a few miles it was back up to 110!! I had a temp probe put into the system and it's only reading a max of 90..wtf is going on! :x

:-P :-P :-P :-P :-P :-P :-P :-P :-P :-P :-P Replaced both the black and blue sensors with new ones and now I'm only reading a max of 90. Going to take it on a bit of a drive in a mo to check the results but it looks like it was that all the time. I think there is a small leak still somewhere but I can track that baby down. vwdubs I would sugest replacing those sensors or at the very least putting a temp sensor into your rad and getting a temp reading to confirm the reading. Anyways going to find some open road to open the old lady up on :afro: Thx to all, and a big shout for Henny

Hiya, some itneresting info. With regards to the therostat it's actually five bolts. If you have the haynes for the 1.8L you will see the firth on power stearing bracket. You need to put a long wrench into the back of the bracket to get at it (putting it back in is not easy). There are 3 bolts holding that bracket to the power stearing pump, your 5th one is the one in the middle. I personaly found I needed to remove the entire down pipe from the car. (there is a nut and bolt half way along the pipe, again tricky to get to). With that out you can work on the elbo and get it flush and a good seal much easier. It also alows you to take all the pipe work off down there and give it a good clean and replace your VW clips of doom :) Am am def coming to the conclusion that the rad is fecked. Going to replace my temp sensorrs and if that doesn't work I think it's new rad time.

I did take it out for a quick run last night and the oil temp was at 102 after 3 miles. It seemed to hold there as well. Also my fan never kicks in. Despite chaning the temp switch. Shorting the circuit makes the fan come on. I'm going to test the old and new switches to just check they haven't sent me a dud. I'll get those sensors replaced anyways and see what happens. I have to say the engine smells like it's over heating, but perhaps thats my paranioa :)

I'll take it out for a run later and check the readings on the oil etc. I did suffer a blown pipe 'which' was when I noticed the problem. The way it had expanded out near the join suggested too much presure. I guess it's worth changing the sensors as is simple job for £20 and one less thing that needs checking if I do take it to VW.

Ok thermostat is replaced. I did a full flush with some halfords cleaner and it's still runiing at 110! I think it's going to have to pay a trip to the VW garage unless anyone has any ideas?

thx Henny. :cheers: Anyways tonight I removed the old thermostat. Haven't put in the new one yet as I spent some time refitting the clips etc and ran out of light. However I have tested my old thermostat and it works....this is not good news as it suggests that my next stop is the pump. Anyone got any other suggestions before I put it all back together...Is it worth leaving the thermostat out and using some flush to try and clear the system? I could be wrong about the thermostat but it def opens up a little bit when put into a bowel of water from the kettle. :(

uh hum :) I have an idea where it is by looking at the golf 1.8 haynes but with the super charger ontop I can't see the elbo anywhere. How do I get to it?

Are you sober yet? :) Hate to be a pain but I could use a guide as I'm sure it will save me hours of fumbaling.

Does anyone else think that the VW hose clips are indeed evil and probably made in the very belly of hell and that the designer who came up with them should be killed very painfully? Or is it just me? I have been slowly changing over to use the screw type clips which are much nicer as normaly you don't have to spend hours fighting with the damn things just to get your radiator hose back on. One word of warning if you do convert make sure you don't over tighten the screw type.

Well I had throught about removing it but that requires drilling to get it out which damages the car...Also to my mind someone who has managed to get past the cobera isn't going to be phased by a steering lock...unsure what an insurance company would say tho. I think I will fist of all get it all installed and then look into removing the steering lock...at least in such as way as I can replace it if needed.

Well I have drained the system. Replaced the sensor but no difference and now I notice that the bottom of the radiator is cold. Does that suggest the pump or the thermostat? I still can't find the water pump, what am I looking for and where is it's location? Can I change the thermostat from above or do I need to get in below?

Or you could use this as a good time to install a full electric start? 8) I think I am going to and bypass the switch totaly and go for a fighter jet type ignition switch and a push to start button. Henny looks to have doen a good guide to replacing your switch in this thread: http://www.the-corrado.net/.archive/forum/viewtopic.php?t=4495

Ok my Temp switch and Thermostat have arived and I will fit them this weekend. My temprature goes from cold to 110 in under 5 minutes and thats when moving at speed so I'm not sure it's only the fan not on and I figure I might as well replace both while I have got the system drained. I'm going to give it a good flush with some flusing aid as well. Can someone (looks at Henny :)) give me run down on the procedure for the Thermostat? thx in advance 8)

Whooo Hooo It worked and started first time. I built the same rig as Supercharged excepted I added a spare mirco switch with an arcade button (I collect arcade machines) for the starter motor. So now I have a sorta button start ignition :) Will order a new ignition switch tomorrow. Many thanks for all the suggestions and help looks like you where right Rpmayne. Saved me a lot of time and hassle. swfblade best you get yourself a new switch too :) And what have I learned from all this? When doing work on the electrics disconnect the battery! :oops:

I will being doing this tonight: http://the-corrado.net/.archive/forum/viewtopic.php?t=4566 Will let you know how it goes. fingers crossed if the ignition switch has gone it will start and I can simply put in a new one...or perhaps wire a start button :)

Ok this is sounding like the source of the problem and would make sense with regards to the AC Live in he radio not coming on. I have tested pritty much everything else and then the family vw man did the same and has gone of to consult with VW. I will give the switch a look see tonight. I assume I should be able to short the circuit across the switch if it turns out to be dead.

BTW does anyone know where I can pickup a good corrado manual. There doesn't seem to be a haynes for the G60 :(

swfblade, I'll give the bypass a try see if our problems match. Is does sound like exactly the same thing. Supercharged: I can't see any fuses near the battry, are they standard for the G60 or would be have been added for the cobra? I can't understand why the radio fuse didn't blow...has anyone got a wiring diargram for the G60, or more importantly the coil and radio so I can figure out what has happended? What are peoples thoughts on replacing the coil?

Found and checked that fuse atop the relays. The computer is fine, dash is fine. In fact everything appears fine except there is no AC on the radio circuit despite the fuse being ok and not getting a spark. I am begining to suspect this one wil be beyond my very basic skills. Anyone got another bright ideas? If not I'll have to call out the family VW expert and explain how I managed to fuck up my corrado...not good ;)

No spark at all. Is there an easy way I can bypass the cobra save me having to go through the entire ignition testing?

Checked all fuses in the driver box. Are they any hidden in the engine compartment?

Arg this car is turning into a nightmare. So there I am tidying up the dash ready to put the ICE in and the previous owner had used tape to join wires. Net result = ACC ot EARTH short. Now the starter turns the engine but it won't start. The cobra seems to work fine but I have no idea if it's buggered or a fuse....Any ideas :(

ok ordering THERMO SWITCH 3 PIN PO/GO3/VE/PA/CA/SHARAN :) I've also ordered a thermostat as they are cheap and will save on delivery if I do need it. Will get that installed and let you know what happens, many thanks for the info Henny. I notice in the thread with mariovr6 where he is having very similar issues as me you mention about filling up via radiator hose (I assume the top one). I just topped my system up via the normal top up bottle after it was very low due to the water loss. Have I done possible damage? whats the reason for this?