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  My car produces clouds of white smoke during DPF regeneration - what's wrong? 15 Mar 2025 (Ask HJ)
  I'm really concerned and embarrassed with my 2012 Alfa Romeo Mito 1.3 JTDM producing clouds of white smoke during DPF regen. After removing the DPF and...
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  I've changed the heater matrix on my car but it's still blowing cold air? 23 Feb 2025 (Ask HJ)
  I have changed the heater matrix on a 2012 VW Golf and the heater is still blowing cold air, what else can I do/check?
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  What colour should my coolant be? 21 Feb 2025 (Ask HJ)
  I have an Audi SQ5. What should the appearance of the coolant look like?
• Mini One 3 door hatchback 2012 59K miles - engine coolant leak 2012 Mini One 21 Jan 2025 (Forum)
  Hello, I had a coolant leak and took it to a mini dealer to check out. was told they were confident that they had found the leak and the gearbox oil cooler needed to be replaced only. agreed to this and within 2 weeks the engine coolant was leaking again. When I opened the bonnet
• 1.4 cvh 55kw 1998 - Ford escort overcooling 12 Jan 2025 (Forum)
  because of faulty fan when it overheated i replaced the coolant tempeature sensor and the thermostat thinking it would help but it didnt since then i have no heat :( . Now that i know the ball inside is melted i know that coolant is bypassing the thermostat going straight into the radiator. I wanted
• Peugeot 308 - Cooling fan cuts in/out constantly 29 Dec 2024 (Forum)
  this approximately 1 in 5 times I switch off the car.  My first thought was the coolant temperature sensor, however the temperature gauge seems to be accurate and rises as you would expect. I was wondering if anyone has any ideas or experiences of this before I start throwing parts
• Millers Oil analysis of oil sample 27 Nov 2024 (Forum)
  Wheeler Dealers bought a Jaguar S type V8 with 200k miles and sent an oil sample off to Millers to find if the engine was in good shape. High levels of sulphur was detected which indicated coolant loss, possibly down to head gasket failure. Seems a sensible option before rather
• Fiesta 1.0 Ecoboost mk 7.5 - Fiesta 1.0 Ecoboost,wet belt change question 9 Nov 2024 (Forum)
  coolant drained and replaced   What you did with your Fiesta and wet belt change?  
• Volkswagen Golf Mk6 1.6 TDI - Please help -- VW Golf overheating 6 Nov 2024 (Forum)
  it happens. In addition, I've been losing coolant and having to top up. But the temperature rise still happens even after I've just topped up to the max mark. As you will have gathered, my technical knowledge is severely limited. So any advice you can offer would be much appreciated. Thanks
• Ford Fiesta - 2005 fiesta overheating - temp gauge normal 26 Oct 2024 (Forum)
  Hi, My 1.4 2005 fiesta is overheating causing bubbling in the coolant tank which then spills out. I have noticed that the fan is definitely not working. I'm planning on changing the fuse under the bonnet next to the battery tomorrow as I've changed the fuse behind the glove box (it seems
• Suzuki Vitara - Should have followed my own advice 17 Sep 2024 (Forum)
  a service, nine months into our tenure. We returned to the supplying dealer for this. Largely to maintain a relationship, at least in our first year. It meant kicking our heels for four hours. And that was “While you wait” service. They reported coolant leak stains but said it might be historic
• Mercedes Aclass - New thermostat 29 Aug 2024 (Forum)
  Just trying to make sure I’m not being ripped off, but my coolant is leaking and Mercedes main dealer have phoned to say the thermostat needs replacing (unusual for a car only having done 45k miles they said) anyway the quote for a replacement including VAT and Labour is £700. Does this sound right
• Vauxhall Corsa 2012 - Radiator fan doesn't turn on 16 Aug 2024 (Forum)
  Hello, I've had a problem with a blown out coolant hose and now that I've replaced it the radiator fan doesn't turn on. Yesterday the radiator fan turned on as soon as I turned the car on. The coolant temp today was at 108 highest and no fan turned on.
• Renault Clio 2 1.2 16V - Overheating 14 Aug 2024 (Forum)
  Younger daughter today on a road trip rings me to say a couple of warning lights are on - further questioning reveals the temp gauge is well above mid-point. It would then cycle up and down a few times then stabilise. I’ve had to add coolant - expansion tank being empty or close on empty, I can’t
• Ford Fusion - Coolant leak 11 Jul 2024 (Forum)
  Our trusty old Ford Fusion (2003 - 1.6 petrol engine) has been leaking coolant for a couple of years now, and we simply top it up every week or two with about 100 ml of coolant. The coolant drips from the bottom of the engine sump, but seems to be coming from higher up somewhere behind the AC
• Chevrolet Matiz 1.0 SE Plus - Foam in coolant expansion tank, but no white smoke 7 Jul 2024 (Forum)
  I've just bought a 2009 995cc Matiz. Driving home the coolant light came on. I topped up the coolant (it was low) and ran the engine for a few minutes with the cap off and foam appeared in the expansion tank. The expansion tank or foam doesn't look oily and I checked the oil cap
• BMW x1 2918 58k petrol 1.5 - Intermittent no heating 28 Jun 2024 (Forum)
  I have above bmw that I get my intermittently no heating or have to turn temp up to 24 to get a bit of heat , apart from taking to garage any ideas what it can be please or what I can do to diagnose the issue. The engine does not overheat and the temp stays in the middle. Coolant is ok have
• Vauxhall Insignia - Is it likely I've been scammed? Head gasket went? 2 Jun 2024 (Forum)
  During selling my old car, one buyer called me to the boot while the other was at the bonnet. When I went to the front, he had just finished doing up the coolant cap. He then asked to take it for a spin. Thrashed it then opened the bonnet. Proclaimed the gasket had just gone. The coolant tank
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  What causes engine oil emulsification? 12 May 2024 (Ask HJ)
  I changed the oil in my car, ran an engine flush, drained it and then put in new oil. However, now the oil has that awful emulsification - how did this...
• Honda CR-V - Suggested price for CR-V 2009 automatic 5 May 2024 (Forum)
  transmission filter (genuine Honda) #Replaced differential oil (genuine Honda) #Replaced coolant (genuine Honda) #Replaced sparks plug (Denso irridium) #Replaced drive belt #Replaced alloy rims for nice looking diamond cut. #Replaced all 4 tires for great quality all season Good Year Vector 4 gen 3 #New