ross
Full Member
Posts: 98
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« Reply #15 on: April 09, 2012, 09:16:46 pm » |
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Hi jag,
I must be getting demented in my old age, as I have just put the photo attached on another thread, by mistake. The photo shows the bleed screw on the drivers side, assuming you are one of us and drive on the correct side of the car. It is very tight to get in over the inlet manifold on the 2.2dti, but just about manageable, but if the bleed screw decides to be tight it can be difficult to undo unless you can get a dumpy screwdriver on it. Best of luck. Regards Ross
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« Last Edit: April 09, 2012, 09:21:01 pm by ross »
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2005 Grande Espace 2.2DCi 1994 2.1Td Espace 2005 Kangoo 1.2 1977 Renault 16TL 1974 Renault 16TX
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jag
Full Member
Posts: 62
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« Reply #16 on: April 20, 2012, 04:45:03 pm » |
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Hi again to all, the rad saga continues :-
I managed to get hold of another radiator, virtually new about 4 months old. Stuck it in, bled the system as been informed and this time I actually flushed the whole system out with a graden hose system to force any air out of the sysytem. But still the new Rad starts to smoke from the right hand side in the middle / bottom part as soon as the car gets to about 4 bars which is the normal temp after abt 15-20mins. The temp doesn't overheat but the smoke seems worrying as the bottom of the rad is still cold so my fans will never come on.
Now the only thing that comes to mind is that before I went about to replace the rad, when I lost nearly all my coolant from the expansion tank, I didn't have any premixed type 'D' coolant and just used water and carried on using water for about 2/3 days didnt do much mileage within these 2/3 days. Then I brought some red coolant which I had to mix with water and used that, it seemed fine. Didn't notice anything unusual about the car, used it normally. Didn't get stuck in any traffic jams so unsure whether my fans would have worked in that situation or not. Now i've been using the red coolant since starting the rad replacement works. My brother in law who is an 'AA patrol man ,now mentions to me that that you shouldn't mix te two colours a they can turn into a jelly type substance. My worry now is that I may have a type of blockage within the cooling system. What I need to know now is thatdo i disconnect all the hoses and flush out the system to try to clear out anything that may be stuk or am I in deeper trouble than that. Pls any help most appreciated. Regards Jag
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1999 Grand Espace 2.2 dTi RTX 2003 Peugeot 206 1.4 Hdi LX
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jag
Full Member
Posts: 62
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« Reply #19 on: May 24, 2012, 01:42:52 pm » |
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Hi 2 all - it'S been a while since I last had a look at the espace. Put everything back to together after finally flushing the system out with a garden hose. Refilled with coolant and replace thermostat as my prevous one was taking too long to open up. At least with the new thermostat the whole of th rad is now getting hot including both hoses. The temp goes to 4 bars (normal) but the rad starts to smoke and don't want to leave car running too long like that. But thge damn fans won't come on and the rad starts to smoke / steam. So is there still air in the system ? I couldn't find the other bleed screw on the driver side for th Heater Matrix only the one on the passenger side. I have tried to short out the fan temp switch and the left hand fan does operate. So how can i test the temp senor on the rad just in case it is not faulty ? Any ideas pls So put all the car back together and going to try it out as was suggested by BrianM to drive it with the filler cap off and see if clears out any trapped air. Will try that out, but just noticed the my oil pressure light is now illuminating on the dash all the time. Since bleeding, etc, I did get alot of water all over the engine when doing this procedure. Is it poss I may have got water on the oil pressure switch ? If so where is the oil pressure switch, the car sounds absolutely normal ? Any help most appreciated - Regards Jag
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1999 Grand Espace 2.2 dTi RTX 2003 Peugeot 206 1.4 Hdi LX
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renaultsan
Full Member
Posts: 98
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« Reply #23 on: June 14, 2012, 03:47:21 pm » |
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I would suggest that you make sure that the fan switch is working, that can be tested easily. Also test the fans by disconnecting the connector to the loom and applying battery power, if the fan does not run at that point, change the fan. You might also have a look at the thermostat, it may work to a point but not open fully or it may stuck in the closed position. A blocked radiator is still a possibility but I think you should start with the operation checks for the radiator fan switch and the fans. Does your radiator have a separate filler cap? my 1990 Espace does and filling the system has to started by filling the radiator and replacing the cap and only then add water via the expansion bottle. The bottle should be raised above the level of the radiator whilst this is being done. Once full, refit the bottle, start the engine and run for a couple of minutes to allow the level to stabilise in the system. One more thing (the Columbo bit) make sure your heater valve is fully open to hot , if not it is possible to get an air lock in the heater matrix.
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Renault Alpine GTA D500 Renault 25 V6 Automatic Renault 25 TXI Multivalve 1990 Renault Espace 1974 Renault 15 TL 1300 1978 Renault 15 GTL 1300 Renault 25 GTX 2,2 Renault Extra 1.9 Diesel Vans (2)
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