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Timing belt crumbles causing clogged oil system

357K views 467 replies 91 participants last post by  noddy-hol  
#1 ·
Have a major fail on my 2015 1.2 puretech 110bhp with 107000 km on the clock.
After a breakdown on the highway the car has been towed to the Peugeot garage.
After first examination the mechanic reports that the timing belt has started to crumble and the debris from it has clogged the oil system causing issues with oil pressure.
The car has been serviced by the book by an authorized Peugeot garage (as recently as September this year) and cam belt replacement is not due until next service that is 20000 km away.
It is out of warranty. But the garage will try to make Peugeot take the costs since it might be a type related issue and car has been properly serviced.
So you guys driving this engine with lower milage than mine might want to have the belt and oil system checked before you are hit too.
Cheers!

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#2 ·
That's just over 66,000 miles ? well under the quoted 'Lifetime' 110,000 miles or 10 years The timing belt runs in oil i think the oil change intervals like many today are too long,i think 6-8000 miles if only doing short trips i have changed mine twice in 20,000 miles (one was an interim) due for another in a month or so but now with what happened to you feel even more changes may be needed,looks like Peugeot's quotes are based on light duty.
 
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#3 ·
Sorry to hear that buddy, hope Peugeot cough up for the repair and your not left out of pocket. It definitely sounds to me to be a premature failure caused by an inferior/ faulty part. All the best :thumb:
 
#5 ·
If the belt is degrading due to oil contact, then how can more frequent oil changes make any difference? It's the belt which should be changed more frequently, or the material changed to one which is not affected by oil.
 
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#6 ·
This is 1 of the many improvements manufacturers are doing the belt RUNS IN THE OIL !!!

Ford done it to the 1.8 tdci engine used to be chain driven lower half changed it to wet belt the teeth fall off the belt and wrecks the engine !

This engine will have the same bad reputation in a few years time and its totally their own stupid fault its a mad design destined for failure.
 
#7 ·
This isn't the first time I've heard of this happening on this engine, I've also heard that due to the complex wet belt design changing the timing belt is a really major job. So much for their "masterpiece of engineering". It seems that Peugeot can't come up with a decent petrol engine that's reliable.
 
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#11 ·
Just got word from the garage that Peugeot will own up and cover the repair as an extended goodwill warranty.

Looking at this mess from the bright side, at least I'll get the timing belt replaced for free a bit earlier instead of doing it on next scheduled service.

The mechanic said this issue is not uncommon on older 1.2 three cylinder engines. Peugeot apparently has changed the material in the belt on newer units (did not mention any specific year/month).

So be advised: you guys driving 2014 and 2015 308:s maybe should check this.

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#13 ·
Looking at this mess from the bright side, at least I'll get the timing belt replaced for free a bit earlier instead of doing it on next scheduled service.
Good news.
Looking at it from the downside, a part of the belt is lurking around somewhere starving a gallery of oil..

It can happen on the RCZ when a guide fails. Then because the replacement job wasn't thorough enough the replacement chain fails due to lack of lubrication.
 
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#14 ·
Oil will become contaminated especially with cold starts during winter where unburnt fuel can pass down the bores diluting the oil just a theory but this contamination of the oil could be degrading the belt so less contamination the less chance of belt failure any vehicle will benefit from more frequent oil changes its called preventative maintainance a small price now is better than a large price later.
 
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#15 ·
Interesting facts there. I'm in the north of Sweden where we have sub-zero temperature half of the year. Hence a lot of cold starts for the engine and bigger risk of oil contamination.
Maybe that's why this happens to my car?

Peugeot probably cheaped out on testing and quality control. Probably just drove around on test tracks in the Nordics for a couple of weeks, not three years :).


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#53 ·
Interesting facts there. I'm in the north of Sweden where we have sub-zero temperature half of the year. Hence a lot of cold starts for the engine and bigger risk of oil contamination.
Maybe that's why this happens to my car?

Peugeot probably cheaped out on testing and quality control. Probably just drove around on test tracks in the Nordics for a couple of weeks, not three years :).


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Hi

Had the same issue on 65000km. Repair by warranty. But I am from Middle East. No cold starts ever...
 
#463 ·
Had same problem with Peugeot 308 1.2 puretech GTline in mild weather Cape Town South Africa in Dec 2020 with ~35000km on the clock. Bought in Sept 2015 as demo 7000 km. Same warning light, off to Peugeot workshop, Tyger Valley who pretended this was just one of those things. Then told me they will approach Peugeot South Africa for goodwill assistence. Quoted around R25000 for repair job that took several days & me having to shlepp around by uber. Initially offered less goodwill assistance, but increased so I end up forking out about 30% of costs. Then thought something fishy when telling me shortened service for cambelt & only let them change oil as very specific type. They never admitted that this was a common issue with these models. Nor did I ever receive a recall from Peugeot which could have prevented the breakdown. Sounds like Peugeot took me for a ride. Won't be buying another Peugeot after this experience & lost confidence in them. Esp.at such low km!
 
#18 ·
As said in the previous thread on this. If engine flush has been used at anytime they will reject any warranty claim as there is supposed to be an issue with engine flush attacking the belt
 
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#19 ·
me too

I just got my car back after having a delaminated timing belt. I note the oil they have put back in the car 0w30 is not the same as was originally in the car, that was 10w30. Also the timing belt part number has changed suggesting it is a different belt. I have been told to maintain recommended peugeot oils currently 0W30 to prevent any ongoing issues.
 
#21 ·
I understood from earlier posts that they have a new timing belt which is not so affected by oil. That would explain the different part number.
Don't really understand why a very slightly thinner (when cold) oil would make much difference though.
 
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#22 · (Edited)
Today we know more.
It's not the oil. There are cars that were treated from day 0 with PSA 0W30 in hot weather and they also suffer from crumbling timing belt. And no , they never used additives or flushed engine . They used only approved oil change intervals with Total ineo first 0W30.

There is no evidence of a new belt part number . If someone can post here the old +new numbers that can be a proof. ( I never found such. not in peugout planet ,where they usually put new numbers)
 
#24 ·
For those out there with a new Peugeot or Citroën with the 1.2 thp 3 cylinder turbo, timing belt in oil - which most manufacturers are moving too, pls note that the schedule for replacement of belt is 135”000km or 9 years but if it has not got an updated belt the belt will start to fail from around 45”000km and good service history doesn’t make any difference in its life.
But a new oil 5w30 HTC is now recommended instead of the former 0w30.

The belt can be inspected for wear by removing the oil filler cap and a torch ? pointed at the belt which is visible after cap removed.

If the black outer layer of belt is in tacked the
Belt is ok. If I can see white braiding visible the outer layer of belt has already crumbled.

If u find the belt deteriorated contact your local Peugeot dealer or Citroën dealer and make an appointment for belt inspection.

There is a technical bulletin on the issue and it can be replaced at no cost of it has indeed started to crumble.

Out of warranty vehicles with good service history are also usually covered up to 84 months old or up to 150”000km.


The best thing to do is to have the belt inspected at the 45km service and then if damaged a modified belt kit can be fitted.

It is not a lifetime belt. It’s meant to last 135”000km or 9 years but if it’s an early car several years old it’s likely it still has the old belt and should be upgraded.

Failure to have the belt replaced when it’s started to crumble will destroy the engine and block oil pump and vvt solenoids and oil feed to turbo.
 
#26 · (Edited)
45000 interval doesn't help. There are few reports here that belt failed with half that mileage. Imagine how many cases are unreported.
Furthermore, visual inspection from above (top oil hole) doesn't reveal the true state of belt. It's the other side that crumbles. By the time you see braidings on top: it has already lost quarter of the belt into the oil sump.
Currently the only "free belt inspection" PSA offer is scanning the ECU for relevant error codes.
No errors ? Then belt is well (yeah... really?)

0w30 was (and still is) a valid oil for most PSA engines and will not void warranty. The choice between 0W and 5W depends on the weather conditions in your area.
PSA B71 2297 and 2302 oil standard ( minor update from 2312) are valid for these engines
Nevertheless , oil viscosity is not affecting the cam belt issue.

The missing info here is simple : what range of VIN should be recalled ?
PSA refuse to tell.
 
#27 ·
I would suspect if someone suffering a failure outside the manufacturers warranty approached Peugeot customer care with a full Peugeot main dealer service history there would be some sort of contribution to repairing the engine.
 
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#29 ·
Hi folks after reading this post it comes as no suprise to me many have had the same thing happen with the CVT boxes their belts run in oil and do deterate at stupid low mileage toyota did say 20000 miles between oil change in gearbox then after a few years and many failures changed it to every 10000 rubber and oil do not mix when the oil can get very hot . stupid design !
 
#30 ·
I am picking up a 2015 308SW this week with the 1.2 petrol engine. It has done 20000 miles & has a full main dealer service history. Having read this thread & others regarding the life of the timing BELT should I consider having the belt changed at 5 years regardless of the mileage. When I pick the car up I'm going to have a look at the belt via the oil filler. Is there any advantage in running on super unleaded?
 
#31 ·
Hi,
I live outside UK but saw many cases where the timing belt crumbled and caused serious failures(vaccum pump, turbo, vvt system, engine).

The main problem with the crumbled timing belt is that rubber parts cause the oil pressure to drop which might lead damage to many parts, as i stated.

i suggest you to replace the timing belt, also, ask the technician to remove the oil sump and look after rubber parts inside and clean them - as far as i know from regular 308(not sw), the removal is pretty easy.

good luck/.
 
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