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Old 12-01-17, 12:00 PM   #1
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Default 1.6 hdi timing/cam chain

Hello all,

I have recently bough a 07 Peugeot Expert/Dispatch/Scudo with the 1.6 hdi 90hp engine in it. (96,000 miles)

I really want to make it a reliable van so I have been doing some preventative maintenance to it. This has been mainly pickup gauze cleaning banjo gauze cleaning and vacuum pump gauze cleaning to reduce chance of turbo failure.

I have also been reading about timing/cam chain failures due to failed tensioners. This is getting me pretty worried since any top end rebuild in this van would probably be an engine out job! (engine is that far back its pretty much under the windscreen!)

I don't really have the spare time to replace the cam chain & tensioner set but if chance of failure is high then I better get it done while the vehicle is off the road. Therefore my question is: just how much of an issue is this alleged cam chain problem?

Furthermore does anyone have any experience of whether a slack timing chain can be detected before failure (e.g. what sort of noises are audible?), or do they give no warning signs before sudden catastrophic failure?!

Any help would be really appreciated: not been hearing good things about this engine
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Old 12-01-17, 03:23 PM   #2
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The 90hp version you have isn't so bad. I'd recommend oil and filter changes every 6000 miles to prevent the well known turbo issue (more prevalent on the 110hp version as it has a DPF).
Cam chain and tensioner don't normally wear prematurely if the service interval is reduced. On THP engines yes they are problematic.
Keep an eye on the EGR too, some choose to blank them and get the mapped out to stop the engine breathing it's own dirt.

Last edited by Eccles; 12-01-17 at 03:39 PM.
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Old 12-01-17, 06:06 PM   #3
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No significant issue with cam chain as it only links the two cams together so its quite short and does not have too hard a life. Its the cam belt that you need to change on a regular basis i replace belts every 60K or 4Yrs and water pumps every second change if they feel OK)

The petrol VTI/THP (Prince engine) does have problems and chain failure is often catastrophic.
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Last edited by windy1603; 12-01-17 at 06:07 PM. Reason: added water pump
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Old 12-01-17, 07:12 PM   #4
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Tensioners do fail on the 1.6 hdi engines but they fail for the same reasons the turbo fails lack of oil changes

If the oil is changed at sensible intervals you will not have any issues.
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Old 12-01-17, 08:36 PM   #5
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Thats super thanks guys, gives me more trust in the van!

Out of interest how come infrequent oil changes causes cam chain failures, has the tensioner got an oil pressure controlled slack/tension adjuster?

Weekends job is removing leaky injector 3, has anyone got any advice for this? Hopefully the injector doesnt put up a fight! Unfortunately it looks like a bugger to get to the rail to move the fuel pipe away, maybe just a slight bend to the side wont hurt?
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