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• BMW 3 Series Compact E46 318iSE - BMW Coolant loss 1 Aug 2013 (Forum)
  The low coolant warning light came on and I topped up the radiator with about a pint of water.  Very soon after the warning light came on again and the level indicator top was level with the filler neck top.   After driving a long way, keeping a careful eye on the temperature
• Vauxhall Astra H Estate 1.3cdti 05 Reg - How to release the coolant hose on heater matrix 12 Dec 2012 (Forum)
  Hi Just found i have been driving around with no coolant (no warning light), i topped it up and could see i had a major leak on a pipe that goes to the heater matrix.   Vauxhall wanted £160 to change it.   How do these complicated connections
• 2000 vauxhall vectra 2.0 cdx - 2000 vauxhall vectra 2.0 cdx coolant temp sensor l 22 Mar 2012 (Forum)
  hi i have a 2000 vauxhall vectra 2.0 cdx  with x20xev ecotech engine which is running rich ie the sparkplugs are black a bit of research as to the cause of the problem has led me to belive the coolant temp sensor is faulty what i need to know is where is it located on the engine so i
• Peugeot 306 d-turbo HDI 2.0 (year 2000) - Muddy water in coolant tank 9 Jul 2011 (Forum)
  Hello,  I have just checked my water coolant level this morning and noticed the water has gone a greyish brown and is full of sediment. My initial thoughts is the head gasket, but the water level hasn't dropped and the oil level is normal. I intend on draining
• location of Clio coolant temp sensor 25 Aug 2004 (Forum)
  I have a 2002 1.4 16V clio this is exhibiting all the problems that I have read about elsewhere in this forum which are resolved by replacing the coolant temperature sensor - namely uneven running for the first few minutes when the engine is totally cold, but thereafter all is well until the engine
• Clio - brake fluid in coolant! 5 Jun 2004 (Forum)
  Someone I know (and no, it isn't me) has just shown me the coolant tank which six months and 2,500 miles ago, they unknowingly topped up with brake fluid as it was near the minimum. I suggested they quickly get it drained, flushed and refilled. My question on their behalf is what kind of damage
• Antifreeze/Herald heating 12 Feb 2004 (Forum)
  Working on my Herald last night - trying to trace a coolant leak near the heater area. Needed to test if a liquid was coolant or rainwater. I did so by tasting it. Coolant (water+antifreeze) tastes horrible so this method is efficient. My question - how dangerous is this? I realise antifreeze
• changing ford antifreeze 24 Sep 2002 (Forum)
  I'm just coming to do the 60,000 mile service on my 1998 Mondeo 1.8LX and was thinking of changing the coolant. However, my handbook says this is not necessary as Ford's coolant will last the life of the car. Any opinions on whether I should change it or not?
• VW MK6 Golf 1.6 TDI 2010 - Mk6 1.6 TDI coolant/oil temperature increase 11 Jul 2023 (Forum)
  coolant flush: July 21' - G12 used, no additives ever added Coolant level: holding Engine oil level: holding Heaters: Working OK Daily commute: 50 miles each way - motorway Issue: Since having the car I've never known the coolant gauge to go
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  Is my 2005 Fiesta worth repairing? 28 Nov 2016 (Ask HJ)
  We have a 2005 Ford Fiesta which we noticed one day had no coolant. I took it to the garage and they pressure tested it and diagnosed a cracked expansion...
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  Cooling issue with Toyota MR2 12 Nov 2014 (Ask HJ)
  I've recently bought a Toyota MR2, but am having problems with air appearing in the coolant. I've changed for new the following: Radiator Major...
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  Can you recommend a Rover specialist to look at my Rover 25 which is losing coolant? 27 Jul 2013 (Ask HJ)
  I have a Rover 25 1.6 petrol that has lost coolant on a very small scale over the last five years or thereabouts. However, over the last week it has lost...
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  Passat imperfect 24 Oct 2009 (Ask HJ)
  I recently bought an immaculate 2000W Passat Estate with the 1.9 115bhp TDI PD engine. It came with a full dealer history and 94,000miles. I can't find...
• Vauxhall Astra GTC - What else if not head gasket? 1 Feb 2023 (Forum)
  Hi All,  Wonder if anyone had similar issues. I have a automatic, 1.4 Astra GTC, petrol car, 40k miles, 2016 plate.  I had coolant problems since last year, some hoses were changed last year as the coolant leaked out. Then it was fine till like September, I noticed when
• Ford Fiesta - Bubbling coolant reserve following garage work 10 Jun 2021 (Forum)
  So I've recently had a coolant leak repaired on my 2008 model Ford fiesta where the mechanic noted that the water pump and thermostat needed replacing. Having had those replaced and my car returned to me, the leak has stopped however the coolant has begun to boil/bubble after driving the ~30
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  The coolant in my Ford Fiesta was bubbling - is this normal for a turbo engine? 30 Aug 2017 (Ask HJ)
  I have recently purchased a new Ford Fiesta (not the very latest model) with a 1.0-litre Ecoboost engine. After returning from a drive around town today,...
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  Are there any potential problems that I should look for in a 2002 Rover 45 I've inherited? 27 Oct 2010 (Ask HJ)
  I have recently inherited a 2002 Rover 45 with 38,000 miles, mostly short journeys. It has recently had a new cylinder head gasket fitted and new tyres...
• Renault K7M - Oil Degradation 27 Jan 2012 (Forum)
  Any Tribologists out there? The oil in my engine appears to be suffering premature oxidation (indicated by low Interfacial Tension in contact with water).  I don't think the cause is overheating. This leads me to suspect that there is a coolant leak into the crankcase and the glycol
• Audi A4 Avant 1.8T - b6 A4 coolant loss 28 Sep 2010 (Forum)
  Good morning. The issue concerns my wife's 04 plate avant. She informs me she is regularly topping up the coolant system... WITH WATER FROM THE TAP. I have searched the Internet, done the relevant here, lifted the bonnet and uncovered what I believe to be the cause of my problem. I just need one
• Nissan Primera (1990 - 1996) - 1995 1.6LX Advise on solving coolant loss 12 Sep 2008 (Forum)
  I just acquired a 1995 Primera 1.6LX which has done 185K (ugggh) but looks immaculate & still drives well. The previous owner (from 70K onward, very hands-on) experienced coolant loss & couldn't find why, so used Wondarweld which has so far fixed it. The car has been running for a couple of months