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D3 - Engine Bay Everything under the bonnet |
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Thread Tools | Display Modes |
#1
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temp switching between 90 and 95
Hi all
this is a new one for me just fro my last trip I had the Cts replaced at the start of the year but when I'm getting is randomly the needle moves from the rock solid 90 up to 95 the odd thing is that when I let the car sit an Iidle it sits at 90 good as gold I have checked coolant and all is fine not smell just this odd move upto 95 and the back down to 90. any tips ....thinking it could be cts playing up again. Could do with this as have a house move to save up for. |
#2
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cts ??
Have you put scanned it with VCDS?
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind. |
#3
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Coolant Temperature Sensor? The green thing presumably (if it's the same on a D3 as a D2).
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions and extended leather. Ski hatch retrofit. Aftermarket reversing camera. DVB-T and XCarlink now removed as redundant. 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation". (Even rarer than a D2 S8!) Oh, and a brand new engine at just under 30,000 miles on the factory one! Finally: gone, but not forgotten..... 1998 D2 PF S8. Agate Grey/Platinum. Every option (I think) except electric rear seats, Tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course. (internal dimming mirror added later) 1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon. Added Auto-dim mirror, Leather seats, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! |
#4
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Thanks gents
That's what I'm hoping it will be ..I'm off to the garage after work and they're going to plug it into the Vagcom to check.. ...its been as good as gold sitting at 90 all the time. It will be a far easier and cheaper job to do than a new thermostat which when I noticed it happing was what I was thing was the problem. please make it the CTS |
#5
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Quote:
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind. |
#6
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Thank you I hope so......too kids school kits to get and a house move coming up is taking every £££.
Will see what the boys say at the garage |
#7
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Quote:
was it a hard job for your stat to be replaced ......all seems fine with mine apart from the reading , on warning lights or crazy fan running. I can have the car sit ideling for ages and it stays at 90....my thinking would be if the stat was the problem then with no air flow it was start to rise up past 90 ....so hoping that its the CTS... |
#8
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they gave it a check and looks like it's the stat that is playing up
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#9
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Well, thats not good news. The 'stat requires removal of quite a lot and its generally considered a good idea to replace timing belt and pulleys, water pump at the same time.... which can be a big expense. I just paid that bill today ..... - Dont ask.
However, I am not sure how a 'stat failure/defect can cause the behavior you have outlined. Failure is normally a on/off situation whereby failure leads to it not opening and overheating of the block. I cannot conceive of a failure mode whereby it operates at a different temperature. BTW, Why was the CTS replaced earlier?
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2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind. |
#10
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I can bet that bill was ££££.....
it is a odd one as my thinking would be that on idle still then the temp would just get higher and higher on the read out but what we did is was that on the dash it was sitting at 90 all the time but on the Vagcom it was upto over 100. this reading was coming from the G62 CTS I think. Its in with my local Audi indy will not get round to it until Friday at the very earliest. They are going to give it a nother check in the morning just to make sure ....I would be far happier with a bill for a new CTS that a Stat strip down bill. The CTS was replaced around Feb of this year as it started to play up after having the rad replaced.It was giving no reading at all on the dash , fan running full speed and also the low coolant light was on. As soon as it was replaced all was good...until now. |
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