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Mine does as well, do I need to replace it as it doesn't really bother me and done decent mileage without breaking down

Awesome video. My engine ticks similarly, but not as loud. Will not do anything about it until it gets worse :)

bend conrod maybe a leaking headgasket caused the problem and locked up the enige and a mechanic fitted a new headgasket and that was that

Is it possible to remove the cams with leaving the chaun tension in and chain and side cover on i ask because i just want to replace the valve seals. Tia

Great video, thanks for this. As others have said, looks like classic flood damage. The fact there are others with the same issue is indicative of more of these cars getting driven through floods.

Small end seized oil problems

Possibly dying fuel pump. Unplug the fuel return line while engine running, if no fuel out, weak pump or clogged fuel filter

Don’t think this is answer on general ticking as every car seems to do it. Cant all have this fault maybe just yours

Leaking injector?

Did you find any solution for this? Mine does something similar. When driving under minimum load, you can drive. But when you put your foot down it seems to run on 3 cilinders and pops and farts from the exhaust

An injector stuck open can cause fuel to puddle in the cylinders enough to cause a hydrolock and bend a rod, as can ingestion of water. With no other indications of mechanical failure, that would be my diagnosis.

Fuel injector issue?

Ignition system. Need quality rotor srm

Could it have sucked water in at some point? Just a thought.

Sounds like it it got water in and hydrolict it

Great footage,. For strange engine noises, i use a stethoscope to try and narrow the area down, Anyway i trust you refit the new timing chain kit over to the replacement engine

driven through flood perhaps

This video was so helpful

I think these cars run better on 5w 50 from my experience also i think these car were made with the obsession of being to eco friendly with the loose piston rings for less friction so they thought 5w30 or 5w 40 was good so less effort for the engine to push the oil around to make it more efficient but then in turn causes more problems in the long run i put 5w 50 in mine and it is more quiet and runs way better.

How much did the chain set cost?

Could pre-ignition because of the slack chain eventually cause the conrod to bend due to a mixture of overheating and valve slap caused by pinking?

Well done

Good job👍Gute Arbeit👍

Well that escalated quickly 😳

got the ssame issue..just a bit softer tikking..tnx for graet vid !! it sounds like a diesel !! thank GOD its not the timing !! got me a bit worried there !! i saw a video where they was testing a brand new c1 in a car testing show and it made the exact same noice..they said it was because its a 3 cylinder :O

Great video. Sadly that's likely to have been the result of water ingestion causing a hydro lock :(

Just bought a 2016 C1 with a slight noise similar to this! Great Video, thanks Dave. I can now investigate the noise.

I'd have probably just scrapped the engine these engines are cheap on ebay

My 2010 Aygo has some pinking under load....these cars are 'economy tuned' so rather high geared, it's easy to find yourself pulling away in too high a gear hence pinking. This hydro-locking, is it all through water ingress via the filter? Nothing to do with head gasket failure?

I suspected a sticking valve or a worn camshaft lobe. I never would have guessed a bent con rod. You have a lot more patience and positive attitude then most (including me) Thank you for taking the times to make this video.

Mine has sounded like a bucket of nails since the day I bought it new. But not as bad as yours!!!

Flood damaged car or overfilled with oil but probably a flood damaged car

The people punting the piston slap cause here and elsewhere on UA-cam, are talking about a light metallic sound, whereas your engine was making a clear 'clacking' noise, like mine. I notice that you didn't mention a 'stethoscope' test to help narrow down the area that the sound was coming from - might that have helped? Thanks for the well-presented video diary, it's been really helpful.

Possibly water sucked in. It doesn't compress so will bend the con rod. My Peugeot 107 (same engine) is on 199,250 miles still running great!

Piston slap ?

What would cause a bent Conrod?

What about piston slap? These engines are known for it

Perfect video and explantation. Thank you. I have same engine ( peugeot 107 ) and almost the same noise.

There was a recall of some 2010 models for conrod bearing shells, maybe other years were affected?

So glad to have seen this vid/info as a new Aygo owner all relevant info is much appreciated! Note to self - be very careful in flooded areas AND do not jet wash the engine bay either.

Excellent video

Brilliant well done, I see a lot of these cars with a ticking noise or clacking noise, I think its just a bit of a weak conrod issue, when put under load rather than changing down on steeper hills? Or could it be the firing a little earlier than it should opposing and putting the piston therefore the conrod under to much force when it's trying to come up.

Exactly the same here. 2009 Toyota AYGO with 75k on the clock bought from auction with an engine rattle. Run just fine but a terrible metallic knocking. After watching this video, a quick compression check highlighted an issue on No. 1 cylinder. Whipped the sump off and hey presto there was the telltale chip from the bottom of No. 1 cylinder and what looked like a bent conrod. Lots of wrestling later and with the engine still in place, piston and conrod have been removed and it looks exactly the same as this video. Not sure I’d have believed it without watching this. Many thanks for taking the time to document your progress for others to benefit.

Any updates Dave??

First class diagnosis, look at the oil feed to this tensioner-1/8-3mm hole easily blocks up and your tensioner was not working, most likely cause of the bent con rod the the defective tensioner. But excellent work!! well done!

Great informative video. My son is looking to get one of these as his first car. The one he's looking is a 2014 which has done 35k miles. Are they fairly reliable? I tend to do my own repairs like yourself and they look relatively easy to work on for a modernish car. Thanks again

sucked in water?

I'd put money on overfilled with oil as the cause

Looks like evidence of Hydro lock water ingestion my daughters second C1 suffered the very same issue, even though the air intake is up high she'd managed to get water into the engine through flood water and limped home, stripped the engine and found the very same bent con rod on No1 and damage to cylinder bottom wall. Managed to get the block machined and to this day has 108.000 miles on the clock and runs with no audibly sounds on knocking.

Waterlock? Maybe water somehow got in.