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My issues with the THP

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  • My issues with the THP

    Just thought i'd post the issues I'm currently having with my THP... I'm not great at writing posts so i apologize if it's a bit fragmented..

    About two months ago on my way to work I experienced the dreaded "Super Knock" whilst trying to accelerate way... I took it into the dealership who basically just read the code, cleared it and told me to keep an eye on it...

    It was then i started noticing other symptoms. Under heavy acceleration in 5th/6th (or 4th uphill) the revs would become slightly erattic... Sometimes slipping 500revs or so now and then. If it didn't slip the revs it would "super knock" instead.
    There was a constant knocking noise coming from the engine (youtube video at the end of post) and when rev'd there was a metallic rattle. The car also didn't seem to have the power it use to have. I brought it in the second time where i noted the additional symptoms - again all they did was read the code, but this time offered me to come back in two weeks time where they'll work on the car and i'd have a courtesy car.

    Two weeks pass. I go to the dealership and they are going to "spray the head" where they simply spray some cleaning stuff into the inlet manifold... I was quite shocked that this was all they were doing as surely this wouldn't fix the other symptoms?! They also managed NOT to book me a courtesy car... After kicking up a fuss they find me one! Oh wait, sorry sir you are 20 therefore cannot have one... After making more fuss it was agreed i could have it if i insured it my self.. £20 out of pocket.

    Next day I pick it up and... Nothing's changed. I brought the technician out to listen to the car.. He agreed the sound was not normal and thought the rattle was a heat shield. I was offered to come back the next week where they'd work on it further and I'll have a courtesy car. During this week i done quite a lot of research on the issue and i found it matched what the Mini cooper S suffered from. "The rattle of death" which is caused by faulty timing chain tensioner.

    Next week i turn up stating all the symptoms again which have worsened and i also explained what i had found out and that it's almost definitely the timing chain and i would like them to put this forward to citroen. I was given positive feedback on this and it would definitely be looked at. Oh by the way there's no courtesy car available at the moment, or the foreseeable future. This was last Monday (22/10/12).

    It is now the 30th and all they STILL have not diagnosed the issue. Everyday it seems they are "taking more photos" to send to citroen.

    23/10/12 they had removed the inlet manifold and sent pictures.
    24/10/12 Citroen asked for better pictures
    25/10/12 Dealership had to request authorisation to remove Cylinder head to get these photos
    26/10/12 Authorisation given Was told they were removing the head that afternoon
    29/10/12 Removing the cylinder head that day and was told photos will be sent(looking like the car will be "ready" by the end of the week
    30/10/12 Sent photo's off this day but have yet to have a reply (this was 4:30PM - ohh and no way is it going to be ready by the end of the week)


    Everyday I have asked for a courtesy car and I still haven't had one! I am really starting to lose it with them now! It's costing me a fortune in transport and it absolutely takes the micky that i've sunk my savings into a car that is stuck in bits at a garage for 8 days having photos taken!!! Every time i ask what's taking so long i get the same line "Citroen pay the bill we can't do anything"

    Why are they removing the cylinder head?!? Can someone more in the know please educate me on what they are thinking.. To me it's obviously the timing chain... The knocking.. The rattling on acceleration... The timing going out under hard acceleration causing the super knock and eratic revs...

    I'm going to attempt to ring citroen UK tomorrow to complain as it's just not good enough!



    My car:

    Exampled of Mini's with Timing Chain Issues:





    Last edited by DickiJ; 30-10-2012, 19:51.

  • #2
    feel your pain. had all of this myself. every detail. they removed my cylinder head to do thorough clense on head and engine with expensive spray ( quote) they then altered the angle , position of the pcv pipe. apparently thts all tht has been done. ( so they say) and fingers crossed its goin ok. but citroen uk were invloved there was alot of tooing and froing between me citroen uk and dealership service team and dealership manager. hence i have now refused to use tht dealership ( apparently the biggest in the uk :0) and opt for one 15 miles away who have since sorted my bellone wheels and service. they dont like being told facts ive found. tell um tht a info rapid exists for the issue and they dont belive you until they find it 5 days later. :|

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    • #3
      It's either the timing chain has stretched or the tensioner, if they change that it'll work ok. I really don't understand how they don't know this? :S
      sigpic

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      • #4
        thats dealers for you
        DS3 RACING | SUPERCHIPPED 233bhp/321nm | ITG INDUCTION

        sigpic

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        • #5
          It's a real shame to hear this sort of thing. The DS3 is a great little car but as always with Citroen they seem to suffer with dealership based issues, obviously I'm not implying that all of them are bad (they certainly aren't) but it seems as though Citroen UK just don't put enough pressure on dealers to sort things out so there is alot of faffing about and dealers dragging their heels or that's what I've heard/read).
          Iv had mixed experiences with my dealer (but when I got harder on them they did pull their finger out) but nothing too bad. It just seems a shame that this always seems to be a weak area from Citroen.
          Hope you get it sorted soon.
          '10 DSport in Black/Carmen Red 'Daisy' - Traded back in
          '61 DSport+ in White/Black 'Poppy'
          'We do what we must, because we can.'
          Entropy... It's not what it used to be...

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          • #6
            This is what happens when dealers have to refer everything warranty-related "upstairs" for approval. They then have to work through a schedule of repairs (cheapest first?) that are ordered by a technician from head office who's never clapped eyes on the offending vehicle. I had a whole shed-load of pointless work done on mine before they got around to replacing the timing chain & tensioner - which in most cases is the root cause of the problem.

            Hope yours gets sorted very soon.

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            • #7
              I think sometimes you need to force the dealers hand when it comes to customer service.

              For example when I took my DS3 to a dealership to get my corroding alloys repaired - the dealership said they couldn't do anything about it, and refused to even take pictures and send them to Citroen UK. After speaking to the guy, I went into the dealership car park, sat in my car and phoned Citroen UK.. The guy at Citroen UK said to stay where I was and that he would ring me back in 5mins. He did phone back in 5mins, and while he was on the phone telling me that he had spoke to the garage and resolved the issue, the original guy came out with his tail between his legs, and his camera to take pics of the alloys..

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              • #8
                DickiJ - that sound is perceftly normal. I have a 1,5 year old THP (14 000 km on the clock) and it sounds the same from the first day when I recieved it from a dealer. I have absloutelly no problems with timing or power loose. What's more - 7000 km ago I remapped it to 190 HP/320 Nm and no problems at all (the engine sound is exactly the same all the time as on your movie).
                Last edited by tomu80; 11-11-2012, 22:04.

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                • #9
                  Well I've had the car back for a couple of weeks and now it's doing it again! It's not super knocking yet but it's over revving on boost in 5th and 6th... It did it subtly last week and it's gotten worse into this week. Looks like it's back to citroen tomorrow

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                  • #10
                    Well my technical english is not that good, but it is the belt and tensioner which make this sound.. My friend is technical specialist by citroën Denmark, and he tells me tha alle PSA Engines 1,4 hid, 1,6hdi is called back for a campaign to have this belt changed and also the tensioner.. - because the belt is tooo tight.
                    My C3 make the same sound afte 20000 km.. and i had it changed on warranty

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                    • #11
                      I am new here but we have a 2010 59 plate DS3 DSport with the THP engine, It was an ex-demo and we got it when it had 1,500 miles on it. It was registered in February 2010 and was one of the first ones into the Country so it has the first version of the THP engine in a DS3.

                      Anyway I just found this thread and thought I would let you know our experiences and how the the car got fixed and at this moment in time "Touch Wood" seems to be ok!

                      About 6 months after we got the car and it had done about 6,000 miles we had the anti-pollution warning light come up and limp home mode active whilst pulling out of the drive. I work at a Citroen garage and my girlfriend mainly uses the car so I took it straight in and got the techs to have a look at it. After a day they reliased that it was the timing that was out of sync and called CUK to see if they had any other faults like this on the DS3 THP as none of our garages had seen it before due to it being an earlier model so I guess developing the fault first?

                      CUK came back to us and said that we should sent the parts off to be examined, a few days later they informed us that the timing chain had stretched and this was causing the problems so they were sending out a special tool to allow them to fix the problem. At this time there were only a few tools in the Country so we had to wait for it to be shipped down to us (Now every dealership has this tool). We changed the timing chain and the problem was solved, the car actually felt faster and stayed like this until last week (2 years, 20,000 miles later) when the anti-pollution fault popped up again and when we switched the engine off and removed the keys from the ignition the fan kept going for about 5 minutes.

                      So I took it straight into the garage (it drove normally) and we all suspected it to be the timing chain again, we plugged it into the machine and it read out 'Super knock' detection and mis-firing on three of the cylinders. Still pressuming it was probably another timing chain we called CUK and explained the symptons and they said that we needed to replace three of the ignition coils (the techs said that to lose 3 at once was very strange but went with it anyway) once we had changed the coils the car was perfect again and for the moment it seems fine but I will keep you posted (if your interested) on any up dates.

                      We have been told that the problem isn't just limited to the DS3 and Citroen it is also present on the Mini and Peugeots aswell but It would be interesting to see if the updated THP 155 engine in the New DS3 will have the same problem!


                      P.S When I refilled the screenwash on Sunday I noticed that there was oil around the spark plugs but this seems to be a normal occurance and the oil level of the car doesn't go down abnormally (since its last service 3 months ago it hasn't needed any oil and the techs checked it again when it was in and it all was ok)
                      DS3 DSport - THP with remap - Sport yellow and Black

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                      • #12
                        Hi Andrew - thanks for an interesting post

                        Mine's a launch-spec yellow THP like yours, also registered in Feb 2010.

                        Interesting to hear of the coil pack issue - something else to watch out for!

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                        • #13
                          Just seen this Andrew- good post
                          CBLUE
                          sigpic
                          Jog on Noddy

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                          • #14
                            Update:

                            I had the car back in December after they decoked the engine.. It ran fine for all of 300 miles before starting to go back to it's old ways of erratic reving and super knocking... It's not as bad as it was but it's getting gradually worse and the revs will now go erratic in 4th on a small incline...

                            It's back with Citroen and this is their last chance before I go down the rejection route!

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                            • #15
                              Called citroen today to find out that all along the timing chain is stretched and the tension needs to be changed! What a fucking surprise! What boils my piss more is that they had to remove all of this to decoke the engine, so why wasn't it checked then and replaced?

                              I'm happy that common sense has now prevailed and the car will be sure to work after this, I am unhappy however that this has dragged on for 5 months! I will be seeking compensation

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