Citroen C4 Hatchback 1.6 HDi SX Reviews

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Citroen C4 Hatchback 1.6 HDi SX
★★★★☆
4.0
71.0% of users recommend this
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  • Performance

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Summary

The Citroen C4 Hatchback 1.6 HDi SX is a small family car designed to be the successor to the Xsara.
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“Dont buy one of these cars infact the whole psa 1.6...”

★☆☆☆☆

written by angeldodd on 26/07/2011

we just brought this car 6 weeks ago it has been in the garage for the last 4 weeks we never drove it aggressively or did anything to cause turbo failure ...we then brought a second hand engine and unit without the turbo seized etc serviced it very well spent hundreds it instantly blew oil back round the system turbo failure we then fitted another good turbo cleaned everything again to get the same problem again this car as now cost me over 4 thousand pound it was cheap at 2500 but trust me there so not worth it i believe the actual car it self deserves a 5 star drove amazing plenty of power comfy and modern but the turbo failure is inevitable after only 30000 miles .there is no way to fix the car basicly it just happens again after a very short time.

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Guest's Response to angeldodd's Review

Written on: 09/05/2012

i have a 2008 c41.6 hdi 42000 miles and the same has hapend to mine they said it would cost 2,800 to repair it or they said they would give me 2,000 for the car against a another new c4. what can you do its worth nothing if u repair it and its worth nothing if u sell i t

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Andoo's Response to angeldodd's Review

Written on: 09/10/2013

I can only suggest someone isn't doing their job properly! I mean, the (correct) oil MUST be changed at or preferably before the service interval.

Another sure fire way of self destruct on these cars is over filling the oil. In the old days, the dipstick tube ended at the bottom of the block so the stick was free to dip the level without any real problem. Now, the dipstick tube goes well into the sump. The result is no blowback, but to dip the oil you must pull the stick, wipe it, dip it and pull it again. If the level is even a few mm over the mark the engines fate is sealed.

Another thing with hdi & tdi, dti, etc in fact ANY turbo charged engine is the need to allow the turbo to spool down after a hard run. If you live at the top of a hill, let the engine idle for, at the very least, 30 seconds, but rather a full minute. The reason is the turbo runs hot, very hot. So if you rev it then switch off, the turbo will be spinning at high rpm (they can reach 80,000rpm at full boost!!) and it needs oil to lubricate and cool it. Once the engine is off, the oil is no longer flowing so the turbo is spinning on a tiny bit of oil that is getting hotter & hotter. This has the effect of creating carbon build up. Once this starts, the "bearing" of oil gets smaller until the turbo cannot be lubricated with any real efficiency. I am trying to explain it in simple terms. It is a lot more complicated, but suffice to say, the turbo tends to go bang!

So, to sum up. Extended oil services are bad. They kill engines. I see it all the time. Oil galleries have got smaller as engines get more compact. The result is more heat is generated and the likely hood that as oil changes are skipped, the carbon build up is like narrowing of arteries. Eventually something gives.

I had a Picasso 2.0 HDi with 200,000 + miles on it. It started well, drove well and never used oil. The reason being I changed the oil every 8000 miles & always allowed the turbo to spool down.

I had a 2002 Renault Laguna 1.9 DCi, 178,000 miles on original turbo. Again, regular oil changes and allow the turbo to spool down.

Do you see a pattern?

I hope this is of some use to someone.

A

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Broadband Bill's reply to Andoo's Comment

Written on: 25/07/2017

Thank you for the clear explanation.

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