smallredlupo Posted July 16, 2007 Report Share Posted July 16, 2007 (edited) Hi,I went to the local vw and bought a coolant temp sensor and the seal.Then I brought them to a local garage to have old one replaced.But I was told by the garage that it's a wrong one?!?! The one on my lupo has a square green plastic head (don't know what that bit is called) while the one I bought from vw is just like the one showed here: How To: Coolant Temp Sensor Replacement, 1.4tdi where the green plastic head has one sqaure side and a oval side.So the one I bought can't fit.What's going on here?? I showed the part number part number 059 919 501A to the vw mechanic, the sensor also has the same part number on it.Why was I told it's a wrong one?BTW, my car is a T reg lupo, 1.4 16vMany thanks,lupogirl Edited July 30, 2007 by smallredlupo Quote Link to comment Share on other sites More sharing options...
lupogtiboy Posted July 16, 2007 Report Share Posted July 16, 2007 pre 2000 vw's did use a square connector on the coolant sensors, yours should be059 919 501assuming your engine code is AHW Quote Link to comment Share on other sites More sharing options...
smallredlupo Posted July 17, 2007 Author Report Share Posted July 17, 2007 Wow! BIG THANKS to lupogtiboy!!I had the wrong sensor exchanged at the local vw and fitted the correct one.Now the temp gauge on the dash is reading some temperature!!Haven't seen the needle move in so long that I wonder whether it's reading normally... haha...Today was quite warm, 19C, and my lupo was parked under the sun, although it did rain a bit. Just after driving for 3 mins, it's reading about 90C?! Sorry to ask such a dumb question, but was it normal?And, another question is, does the coolant temp sensor also determine when the radiator fan is on?If yes, does anyone know at what temp or when the fan would be switched on?(because I haven't seen my fan moving either in so long... style="vertical-align:middle" emoid=":P" border="0" alt="tongue.gif" /> )BTW, could overheating the engine result in the engine using excessive engine oil?Many thanks~lupogirl xxpre 2000 vw's did use a square connector on the coolant sensors, yours should be059 919 501assuming your engine code is AHW Quote Link to comment Share on other sites More sharing options...
smallredlupo Posted July 30, 2007 Author Report Share Posted July 30, 2007 Can anybody help me on this?After just a couple of minutes driving, temp gauge reads about 90C and stay there all the time.Don't know if this is the normal temp...And the radiator fan seems to be never on...Is it supposed to be on when the engine is running or when the temp gauge/engine reaches certain temperature?Many thanks,lupogirlToday was quite warm, 19C, and my lupo was parked under the sun, although it did rain a bit. Just after driving for 3 mins, it's reading about 90C?! Sorry to ask such a dumb question, but was it normal?And, another question is, does the coolant temp sensor also determine when the radiator fan is on?If yes, does anyone know at what temp or when the fan would be switched on?(because I haven't seen my fan moving either in so long... )BTW, could overheating the engine result in the engine using excessive engine oil?Many thanks~lupogirl xx Quote Link to comment Share on other sites More sharing options...
KrazyKev Posted July 30, 2007 Report Share Posted July 30, 2007 (edited) 90 degrees is perfect and it'll usually never deviate from that.I've found my cooling fan hardly ever comes on, and if it does, you can hardly hear it, the only times it really comes on is when you've stood still for a bit with the engine running after driving hard for a little while. The fan is only really there to create the air flow that you'd usually get whilst driving.All sounds perfectly normal style="vertical-align:middle" emoid=":D" border="0" alt="biggrin.gif" /> Edited July 30, 2007 by KrazyKev Quote Link to comment Share on other sites More sharing options...
smallredlupo Posted July 30, 2007 Author Report Share Posted July 30, 2007 Thanks KrazyKve!Good to know 90C was fine.But today I came home (after driving for 25min @ 65mph + 5min @ 30mph), parked the car on the driveway and deliberately left the engine running for a couple of minutes.Still no signs of fan spinning. BTW, the temp gauge stayed about 90C throughout the journey.Was this still normal...?Cus I kinda hope this is the end to my lupo's hunger for engine oil since I've been suspecting that engine overheating was the reason.lupogirl90 degrees is perfect and it'll usually never deviate from that.I've found my cooling fan hardly ever comes on, and if it does, you can hardly hear it, the only times it really comes on is when you've stood still for a bit with the engine running after driving hard for a little while. The fan is only really there to create the air flow that you'd usually get whilst driving.All sounds perfectly normal> Quote Link to comment Share on other sites More sharing options...
ArosaMike Posted July 31, 2007 Report Share Posted July 31, 2007 If the temperature stays on 90degC when your idling then yes. It's fine! Quote Link to comment Share on other sites More sharing options...
lupodave Posted July 31, 2007 Report Share Posted July 31, 2007 I've only noticed my fan come on about twice in a year.Your car now sounds fine to me! style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> Quote Link to comment Share on other sites More sharing options...
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