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• Mazda 3 - Thermostat choices and cooling fan 3 Dec 2019 (Forum)
  Hi everyone, I've just recently got a 2006 Mazda 3 , 2.0 sport, and wondered if anyone could answer a few questions for me. The coolant temp is only running at an average of 56°c, so I know I have to change the thermostat which I plan on doing at the weekend. I can't seem to find much info on this car though despite there being so many out there.
• Any water-cooled, probably, though its complicated - Sonax Radiator Rust Preventer 23 Aug 2019 (Forum)
  Be replacing my coolant soon, since I had to do an emergency top-up with flaky water from a hose, and I will lose some more if I get the temperature sensor out for testing. Seems stuck. I could only get cheapo green stuff with Chinese writing on it last time, from RT-Mart, and I’m not very convinced, though I think I’ve got another couple of litres of it somewhere… Now they have Sonax Radiator Rust Preventer at about 4 times the price, which is supposed to be compatible with antifreeze, It makes sense to use corrosion prevention (if it works) rather than antifreeze in Taiwan.
• Ford Focus 2003 - Heater Matrix? 22 Jan 2018 (Forum)
  Also as I won't be able to get any work done for about a month at the earliest is it going to be a massive problem if I continue to drive in in the meantime? (Assuming I keep the coolant topped up and manage to actually see that is?) Thanks, any advice firstly on whether this sounds like the real problem and also the other questions. Thanks very much Ste.
• Vauxhall Corsa C - Hissing sound under the bonnet 18 Dec 2016 (Forum)
  The same thing happens when I brake and as soon as I ease off the brakes, the sound comes back. The brake fluid, coolant and oil levels are all fine so I'm suspecting it may be a burst hose? The engine check light has come on as of today and luckily enough the garage that I got it from is willing to sort it out for me.
• Nissan Qashqai - Prang - damage not immediately obvious 2 Dec 2015 (Forum)
  Tried regeneration the DPF myself but no joy, so took it to the garage. Garage have now discovered a damaged intercooler, leaking coolant (and leaking AC) afftecting the turbo, which is likely why the DPF regeneration was failing. I remembered I had a small prang about 5 weeks ago into a bollard below my bonnet line - I thought at the time it had only scuffed the plastic bodywork, but seems I caused all the damage above!
• Citroen C4 - Stop oil pressure low, just had head gasket repair 20 Jun 2015 (Forum)
  Hi I have a Citroen c4 56 plate 77k miles on the clock. I had a blown head gasket as my oil was leaking into the coolant. Had this repaired at the garage and they also changed the cam belt. 2 days later, covering only 50 miles on short distances the car started cutting out when the engine got hot and was low revs (at traffic light for example).
• Vauxhall Corsa C - Corsa C easytronic wont start or go into gear 3 Mar 2015 (Forum)
    It is in the garage now and they have given me the fault codes: P1703 Present – Brake light switch signal CAN-bus malfunction U20105 Not present – CAN-Bus no comms with ECM P0505 Not present – Idle speed signal CAN-Bus malfunction P1700 Not present MIL request via CAN P0110 Not present – Intake air temperature signal CAN-Bus malfunction P1895 Not present – Engine Torque Signal CAN-Bus malfunction P1896 Not present – Engine Torque request signal Can-Bus malfunction P0725 Not present – Accelerator pedal position signal CAN-Bus malfunction P0115 Not present – Engine coolant temperature signal CAN-Bus malfunction   Garage say it needs gearbox strip down to see what is wrong - doesn't sound righjt to me.
• Vauxhall Corsa C - cosa c easytronic wont start or go into gear 28 Feb 2015 (Forum)
    It is in the garage now and they have given me the fault codes: P1703 Present – Brake light switch signal CAN-bus malfunction U20105 Not present – CAN-Bus no comms with ECM P0505 Not present – Idle speed signal CAN-Bus malfunction P1700 Not present MIL request via CAN P0110 Not present – Intake air temperature signal CAN-Bus malfunction P1895 Not present – Engine Torque Signal CAN-Bus malfunction P1896 Not present – Engine Torque request signal Can-Bus malfunction P0725 Not present – Accl;erator pedal position signal CAN-Bus malfunction P0115 Not present – Engine coolant temperature signal CAN-Bus malfunction   The garade is talking about an internal gearbox problem - doesn't sound right tio me. Anyone got any ideas?
• Diesel or petrol... can't seem to decide 26 Jan 2012 (Forum)
  I have driven a Rover 220 SDi before and never had a problem with the engine components (always electrical). The coolant cap was left off for quite a while and it didn;t miss a beat. Ran on the lowest oil for I don't know how long because the oil cooler had split and was peeing it everywhere while driving. So with that experience of diesels...
• Peugeot 106 1.5 Diesel - Any ideas why this struggles to start? (video) 16 Sep 2011 (Forum)
  t=90758 The cylinder head is back on & the car is running, with no bubbles in the coolant. It's been a journey and a half, but I've learnt loads & will have a go on repairing things on the acr from now on. Thanks again ! ----- What is happening now, as it was from day one, is the car struggles to start first thing in the morning.
• Chrysler Grand Voyager 3.3 Petrol 2000 - Belt came off and water pipe burst - HELP! 15 Aug 2011 (Forum)
  As I was parking I suddenly lost power steering and steam started coming out of the bonnet. When I opened it up there was a burst water pipe which was spewing out very hot water and coolant. Also the belt was hanging off. I am not mechanically minded but was told that this type of engine does not have a timing belt. Instead this belt is used to run things like power steering, water pump, air conditioning, alternator etc.
• Astra 2001 8v auto - Various fault codes 2 Jan 2011 (Forum)
  The radiator fan failed to cut in while in traffic recently, and despite turning the engine off to try keep it cool it burst a hose. Once cooled down the hose was fixed and coolant replaced. The car then drove home without problem for about 60 miles. The next day, all was well except the eml was lit for a while but then went out. The day following, the eml was constantly lit and the car hard to start.
• Rover 45 1.6 cc's - Cylinder head gaskets 21 Dec 2010 (Forum)
  I have been told that as I have signs of oil in the radiator header tank and I have to add 1 litre of coolant every 150- 200 m iles I must have a leaking cylinder head gasket.  A 12 hour pressure test has given no evidenc e of any leaks.    The head gasket is covered by the policy.   I am suposed to stop and seek expert advice as to the cause if a fault becomes evident to the driver.
• Ford Focus - Focus 1.6 Zetec MK1 2001 - Temperature Gauge Jump 25 Oct 2010 (Forum)
  This only happens when driving on the dual carriageway at 60-80 mph with revs at around 4,000rpm. I stopped to check coolant levels and all seemed OK and engine didn't seem overly hot. I know there is a sensor between the spark plugs on this model and I had the leads off recently to check the spark plug condition.
• Ford Fiesta - Whats this coming through the floor? 26 May 2010 (Forum)
    I have no idea what this is or even if it is safe to drive to a garage! I have also noticed that when I checked coolant levels etc earlier the levels showed to be on quite a slant.  I park on a slight tilt but have never in the four years I've had the car noticed it slant that much.  I am wondering if the problems are related and if anyone has any idea what this metal bar is?
• 1994 BMW E36 M3 - White smoke (over fuelling?) 22 May 2010 (Forum)
  If it's an air leak in a pipe, wouldn't that trigger a code? I've been told the rad weld could have caused problems with my coolant temperature sensor (and even damaged the heads), but the car has never overheated and I'm pretty sure the smoke isn't steam. Thanks, Marc.
• Ford Fiesta 2003 Duratec - Engine noises 9 May 2010 (Forum)
    Also my coolant drops from max to min about once a week or every 800 miles.   I can’t see any obvious leaks, anyone know of any common weak points?   Any advice much appreciated.
• Audi Allroad (2000 - 2006) - 01 2.7T Suspension problems + engine noise / servi 6 Feb 2010 (Forum)
  Then engine noise is also noticeably more noisy when I first turn the car on for the first few minutes but this could just be the turbo warming up??? I seem to be constantly topping up the engine coolant as well so I presume there is a leak somewhere. Any advice would be greatly appreciated. If anyone knows a good Audi specialist (but not an "actual" Audi garage where you're invariably ripped off), please let me know.
• Audi A6 + RS6 (1997 - 2004) - 98 1.8 A6 Brake Failure 21 Jan 2010 (Forum)
  The car had been serviced by Audi 6 weeks before and had a fluid change. Whilst under the car I also noticed a drip of Coolant from the floor tray and traced this to the bottom of the front timing cover. The Cam belt and water pump had been changed 4 weeks ago due to the cars age 1998. So much for Audi Main dealer servicing then.
• Hyundai Accent (1994 - 1999) - 1998 1.3 Radiator drain taps are not extinct! 17 Oct 2008 (Forum)
  Decided it was time to change coolant in Hyundai (been in at least for 3 years and maybe more) and whilst checking how easy it was to get the lower hose off, noticed a strange white thumbscrew thingy fitted in a boss on the lower water chamber of the radiator.