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• Thank you to someone or other 5 Dec 2003 (Forum)
  So it was with some trepidation that I changed the thermostat on the Synergie yesterday to cure a persistent coolant weep from the underside of the housing and erratic engine temperature. Anyway, the thermostat housing is a plastic moulding with 3 metal collars where the bolts hold it on to an alloy casting, and far from being a problem, the bolts turned almost immediately and spun out nicely.
• andrew moorey & mondeo pinking 28 Dec 2002 (Forum)
  have searched the old backroom to your thread about mondeo pinking as I am stuck with the following- 95 1.8 zetec mondeo, pinks really bad during hot weather, but only after the 1st intial start up & run, the next run(s) after engine is up to temp allways produces terrible pinking unless you use minimal throttle opening. during cooler weather & at night no pinking. have replaced the engine coolant sensor, checked the grey "fusible diode" (ford parts description!)near the bulkhead- it seems to be a fuse as several others checked all turn out to have continuity both ways?. A frend in an ex ford franchise has put it on the fds diagnostics kit which shows no fault & the air temprature sensor shows readings on the multimeter similar to the book but its difficult to be realistic with a hot air gun!
• Astra Ecotec Cam Belt Failure Info 12 Jun 2002 (Forum)
  Engine stripped - 16 valves bent, 6 Valve guides cracked and cosmetically marked pistons. There is no evidence of oil or coolant leaks in the cambelt area that could have contaminated the belt. What caused the failure? The belt itself. Although I am replacing them anyway, the tensioners, water pump etc are all OK with no play or noise in them.
• Audi A4 - Purchased car and broke down day after 30 Sep 2015 (Forum)
   Went back to the garage and they installed new battery and dismissed white smoke.  Less than a week later, coolant light on dashboard appears and checked coolant container which was below minimum.  Telephoned garage who advised topping up and keep eye on levels.  Two days later - car would not start - eventually started and white smoke billowed from exhaust pipes - we thought car was on fire with the amount of white smoke.
• Ford focus 1.6 Zetec - Thermostat jumping to red and back again 26 Apr 2015 (Forum)
  The AA did some checks and confirmed it was not leaking. When putting in high revs at a standstill they told me the radiator was remaining cold and the coolant was not circulating. I have taken it back to the garage and they have spent 3 days with it. At first he said that the coolant was circulating and the next day confirmed it wasn’t.
• Vauxhall Vectra B facelift (1999 - 2002) - 02 1.8 coolant temperature woes 10 Mar 2011 (Forum)
  Firstly, apologies for the length of post. :-( I have a 2001 1.8 Vauxhall Vectra LS, 85K on the clock, regularly serviced. Around 8 weeks ago I noticed...
• Coolant temp conundrum Astra 1.7DTL 20 Aug 2003 (Forum)
  Backroomers, Sorry for the essay... I've had this motor for 2 years. Always wondered why the cooling system works like it does, and whether something's...
• Toyota Auris - Car Struggling To Start 30 Mar 2025 (Forum)
    When the car does start sometimes I hear a bubbling noise whilst driving (possibly from the radiator) and the coolant has needed topping up several times in quick succession which is weird. The last week the low oil light came on and I topped it up. It's come on again today and it's a little low but no milkyness on the dipstick.
• Volkswagen Golf Mk6 1.6 TDI - Please help -- VW Golf overheating 6 Nov 2024 (Forum)
  When I carry on driving the needle slowly returns to the 90 degree position and then stays there until the next time 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.
• Citroen C5 - Citroen C5 2.0 HDI 114k miles a good choice or not 17 Mar 2023 (Forum)
  Friend is in desperate need of a new car to replace his which is p***ing coolant. Was looking at a few places yesterday, prices are mad these days but we found a tidy looking 2009 Citroen C5 2.0 HDI at £2195. 114k miles. Took it for a quick blast down the M6 and back and nothing that screamed 'do not buy'.
• Saab 9-3 - Anti freeze in the oil 15 May 2022 (Forum)
  There is no issues with the start up of the engine or engine performance and the oil on the dip stick is a bit dirty brown but not the dreaded coolant brown milkshake.  Opinions, should this be dead now if she did put anti freeze in? Is her engine likely to just die anytime.   Thanks for any help as the Internet does help much when you Google this issue.
• Toyota Camry - Lost ATF 26 Jan 2020 (Forum)
  About 18 months ago I had a new radiator fitted (the original started to weep at the bottom). I had new coolant and ATF topped up at the same time (some ATF was lost because the radiator incorporates an ATF cooler). The car was serviced (oil, filters and checks) in July last year. Yesterday evening I checked the ATF and was surprised to find it was low.
• 2003 NISSAN MICRA III K12 - 2003 NISSAN MICRA III K12 Identifying rubber pipe 24 Sep 2019 (Forum)
  The warning light for the engine being too hot has been showing lately and I am unsure if this pipe is related to it or if I just need the coolant topped up. I have checked all around the area of the pipe and can see nowhere that it should be connected to.  Does anyone know what the purpose of the pipe would be and where the loose end should be connected?
• MK5 VW Golf 1.9 Diesel - Cranking but not starting 12 Jul 2019 (Forum)
  I’ve had it plugged in to the computer and nothing comes up. I’ve changed the fuel pump relay. I’ve changed all 4 glow plugs. Had a new coolant temperature sensor on it. Serviced with new fuel filter. I’ve put some diesel cleaner additives through a full tank. Has anyone had anything the same? It’s odd how once it’s started once, that it’s fine for the remainder of the day, until the next day where it starts all over again.
• Honest John’s Motoring Agony Column 30-06-2018 Part 2 1 Jul 2018 (Forum)
  In answer to DJL with the Volvo XC60 D4, if his car has Volvo's newish VEA D4 4-cylinder 2.0 diesel, the problem is almost certainly related to the well-known problem these cars have with the EGR cooler & valve. The EGR cooler design, and coolant flow to it, has been revised several times to fix the problem, which is overcooling of the exhaust gas. This creates condensation in the cooler which mixes with the exhaust gas, creating a mucky paste which eventually gums the cooler and valve up.
• 2011 Focus 1.8 Duratec - Mk2.5 Focus acceleration/throttle issues? 17 Oct 2017 (Forum)
  Additionally as low speeds in first/second it surges slightly, only 10-30rpm, is this another issue or normal? The oil is fine, so is the coolant. Ive checked the air filter and tube they're both clean, as is the face of the throttle that I can see. Ive pulled the spark plugs and theyre all good as well although I dont know what the gap is.
• 1.6 petrol 11 plate - Ford Focus Mk 3 - heater pipe joint failure 24 Oct 2016 (Forum)
  I had a failure of the O-rings which joins the heater matrix pipes to the pipes coming from the engine compartment. This led to anti-freeze/coolant leaking inot the driver's footwell. Ford have no altered the spec and there is no longer a joint invovled. However they can (or will) not supply new O-rings or tell me the exact sixe of the O-rings.
• VW Golf III - VW 1993 AAM inlet manifold relay clicking+stalling 18 Jun 2015 (Forum)
  It will drive well for a period of time and then kangaroo badly with the revs dropping and then suddenly returning to normal. It has just had a new throttle idle control motor unit and coolant temperature sender. Also it has had good second hand inlet manifold preheater and fuel pump relays. To give you an extra clue after the engine has cut out the fuel tank vent valve behind the airbox clicks in time with the inlet manifold preheater relay.
• SAAB 9-3 - Not any old white smoke problem! but a problem! 2 Mar 2015 (Forum)
  Problem which has been going on for a few months now: loads of white smoke and what sounds like something blowing. the MPG on the computer sarts to rapidly fall too. no loss of oil or coolant. here is the puzzling bit - it only does it randomly. If I turn the ignition off then on, it will stop the smoke / blowing - mpg returns to normal. it can restart smoking within two minutes or stop completely until the next occurance - i can travel miles without it happening.
• Ford Fiesta Freestyle 2001 Zetec 1.25 Code: DHA - Swapping Fiesta Engine - Must Engine codes match? 17 Feb 2012 (Forum)
  Hi All I've had a coolant leak and fried the engine of my Fiesta and been told by a friendly mechanic that it will be cheaper to get a new engine and put it in. I know my engine code is DHA but have only been able to locate DHC and DHF engines in the local scrap merchants which I've read online won't work with the engine management computer in my car despite being almost identical to my existing engine (same model and and cylinder size etc).