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  Maintaining a Corsa 1.3 CDTI 31 Dec 2011 (Ask HJ)
  I have recently purchased a 1.3CDTI Corsa from the Vauxhall Dealer. It has done 37K and has a full Vauxhall SH. I am planning to keep it for approx 4 years...
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  Why won't my warranty cover my intercooler after oil contamination? 12 Aug 2010 (Ask HJ)
  My intercooler has been contaminated with oil and bits of turbo. I asked my warranty company whether, if a piece of the old turbo gets into the new turbo...
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  How much should an oil change cost? 1 May 2023 (Ask HJ)
  BMW have quoted £218 for an oil change on my 2021 BMW Z4. Is this fair or just outrageous?
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  After carrying out an oil change, the sump plug is leaking - could it be because I used a metal washer? 13 Aug 2017 (Ask HJ)
  After carrying out an oil change, I have a leak from the sump plug. I used a metal washer from the filter pack, not a copper one, as I would have expected...
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  Advice on buying a used Range Rover Sport 19 Dec 2015 (Ask HJ)
  My local non-franchised garage has a above Range Rover for sale. It's a nice colour (grey with cream leather) and seems to be in good condition. I am concerned...
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  Are BMW N47 engines still susceptible to timing chain failure? 17 Jul 2014 (Ask HJ)
  I've read all about the dreaded timing chain failure on 320d/520d BMWs with N47 engines manufactured between 2007 and 2011. I wanted to know if models...
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  When should I change the CVT oil in my Honda Jazz? 2 Mar 2013 (Ask HJ)
  In November last I purchased a Honda Jazz 1.4 VTEC ES CVT, first registered March 2012, and am getting conflicting advice regarding the need to change...
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  Bad news to brake 13 Feb 2010 (Ask HJ)
  I have a 2006 Volvo S40 with 1.6 diesel engine. You suggested this engine in preference to 2.0 litres. It has been economical (average of 48mpg for mixed...
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  Why has the oil in my diesel car turned jet black? 5 May 2017 (Ask HJ)
  I have a Subaru Outback 2.0d Premium which I have owned from new. It has done 11000 miles (mostly high speed long distance and motorway) and I have noticed...
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  Do I need to change the timing chain on my Renault Koleos? 3 Oct 2022 (Ask HJ)
  I recently bought a 2009 Renault Koleos with 12,0000 miles. Now it has a timing chain and every local garage I've spoken to state they are not a serviceable...
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  Turbo charger seizure 26 Aug 2015 (Ask HJ)
  The turbo charger in my car recently started making a whining noise when the car was accelerating. I put the car into the dealership because they replaced...
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  Engine replacement - do I need to tell the DVLA? 16 Apr 2014 (Ask HJ)
  I have recently had the engine replaced in my 2012 Skoda Fabia vRS at approx 8500 miles due to notorious high oil consumption (approx 1/3 of the engine...
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  I've repaired my Range Rover's coolant leak but am getting oil pressure warnings - why? 6 Jun 2010 (Ask HJ)
  My 1998 Range Rover suffered the dreaded coolant leak from the porous engine that the V8 became well known for. I had a new engine fitted with top hat...
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  Do I need to change my driving technique if switching from a diesel to a hybrid? 16 Aug 2018 (Ask HJ)
  Having driven diesel cars for the last 30 years, I am about to buy a Kia Niro Hybrid. Are there any differences in driving technique? Do I need to change...
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  When should I change the transmission fluid in my automatic? 18 Jun 2024 (Ask HJ)
  I have a Ford Mondeo automatic. I intend to keep the car until one of us pegs out. Should I be looking to change the gearbox oil? If so at what mileage?
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  Turbo failure on Audi A4 Estate - how can I fix it? 7 Jul 2016 (Ask HJ)
  I have just bought a 1996 Audi A4 Estate. The turbo has now suddenly blown, with black smoke coming out of the exhaust. Thankfully we were near a garage...
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  DPF issues with BMW 520d 17 Feb 2016 (Ask HJ)
  I own a 2010 BMW 5 Series. In recent months the car has reported high oil levels after a DPF regeneration. I presume fuel is now mixing with engine oil....
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  Volkwagen Golf Plus diesel losing power 10 Sep 2016 (Ask HJ)
  I'm having an issue with my 2009 Volkwagen Golf Plus 1.9 TDI. After driving the car between 20 - 40 minutes, there is a sudden loss of power, a lot of...
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  Ford Focus diesel losing power 30 Apr 2015 (Ask HJ)
  I had a problem with the turbo on my Ford Focus 1.6 diesel (2007 model). The bearings failed due to a blocked oil strainer. I went for a refurbished BTN...
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  How much should it cost to change a cambelt? 18 Nov 2024 (Ask HJ)
  I own a Peugeot 2008 petrol car. At its recent five year service I was advised that the cambelt would need doing next time. I enquired about a rough estimate...