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Issues with 1.2 Puretech Engines

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routemaster1   
Sat Jan 23 2021, 01:53pm
Member No: #574
Joined: Jul 08 2007
Location: Dorset
I know these engines are quite rare in C4s and Picassos, but for those owners here or anyone who also has a different PSA car fitted with the 1.2 Turbo engine, you need to be aware of this issue. The 4th post by ChiliPepper is the relevant one. It shows the importance of using the correct spec oil in petrol engines. As far as I know it doesn't affect 2018 on cars, and may only concern turbo engines.

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FrankBullitt   
Sat Jan 23 2021, 05:56pm

Member No: #19238
Joined: Apr 12 2011
Location: Cambridgeshire
Yes, it’s a common issue that seems to affect only certain ages due to an odd design (belt in oil) and poor spec of belt - I think earlier ones and later ones have a different belt material that doesn’t degrade if the incorrect spec of oil is used. It doesn’t affect the naturally aspirated engine, just the turbo’s.

It’s one of those things that if buying used a belt change needs to be a given.
vexorg   
Sat Jan 23 2021, 07:21pm
Member No: #48843
Joined: Jul 06 2017
Location: Scotland
How does a belt get into the oil system?
FrankBullitt   
Sun Jan 24 2021, 04:50pm

Member No: #19238
Joined: Apr 12 2011
Location: Cambridgeshire
Not a case of how does it get in, it’s designed to go through oil - what could go wrong!
 

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