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C4 - DS4 Owners :: Forums :: Coupe and Hatch Pre 2011 cars :: C4 Coupe and Hatch (pre 2011) Problems?
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C4 1.6HDi Turbo / Exhaust Heat Shield 'fatigue'
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Author Post
Dave_Retired.   
Wed Feb 18 2009, 10:26am

Member No: #1
Joined: Aug 07 2006
Location: Northumberland

It's a well known minor problem on early 1.6 HDi engines whereby the locating 'lugs' on the engine side of the heat shield fail through corrosion / fatigue

Members have had there's replaced under warranty and mine has been broken for a year!

However, even though it can't go anywhere it does allow some hot air to get past toward the turbo and will rattle so I thought I might change it as it only cost £15.21 + Vat from [Dealer 1] as a Premier Member - Part number is 1723T3 which is a strengthened part.

It only took 25 minutes to change including digging out the 10 mm spanner, taking the pictures for a tutorial and washing my hands afterward

So go here to have a read of what to do - Click Here -
Jacippit   
Thu Feb 19 2009, 01:59am
Cheers Dave!
Bin-The-L-Plates   
Tue Dec 22 2009, 10:14am
Member No: #1556
Joined: Nov 12 2007
Location: Stoke-on-Trent
 Just what i need to do, mine is rattling away.
I can't get the pics to load on the 'How to...'
Can admin help please.
Regards
Clive
BigJohnD   
Tue Dec 22 2009, 11:05am

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
 Have a look now, Clive.
Bin-The-L-Plates   
Tue Dec 22 2009, 04:35pm
Member No: #1556
Joined: Nov 12 2007
Location: Stoke-on-Trent
 Thanks John.
Regards
Clive
gmerry   
Sat Jan 15 2011, 10:26am
Member No: #11625
Joined: Nov 30 2009
Location: aberdeen
 Heat shield rattle finally needed sorting. Decided to repair by making with stainless lugs from 2mm thick strip

Stainless has a high fatigue strength unlike aluminium so this should last the life of the car.

In the photos, its possible to see where the nut holding the stainless lugs are bolted furher back to the nice thick heat shield material.

Regards
G
1 User said Thank You to gmerry for this Post :
 Dave_Retired. (15 Jan 2011 : 12:20)
PentlandC4   
Fri Apr 29 2011, 01:18pm
Member No: #13613
Joined: May 08 2010
Location: Deepest Wiltshire
 It has just gone on mine.

Although it could have gone during the creaking seat episode and I just didn't notice.
Dave_Retired.   
Fri Apr 29 2011, 01:31pm

Member No: #1
Joined: Aug 07 2006
Location: Northumberland
 Whilst gmerry did a great DIY fix, for the cost of a replacement I would just buy a new strengthened one from Citroen (I'm lazy now)
PentlandC4   
Fri Apr 29 2011, 03:15pm
Member No: #13613
Joined: May 08 2010
Location: Deepest Wiltshire
 The DIY fix is impressive, but yes, it'll be a strengthened one bought via Premier member discount!
Scoops   
Fri May 06 2011, 05:18am
Member No: #4366
Joined: Jul 03 2008
Location: Bucks
 interesting stuff. I had a mega noisy heat sheild that I repaired once. Eventually it got so bad and rattled like crazy it damaged the water cooled oil cooler housing.

On the advice of my local dealer (to stop it happening again) they have now removed the entire heat shield! I'm not sure this is a good idea or not. Could this damage other components if it gets super hot?
Dave_Retired.   
Fri May 06 2011, 08:45am

Member No: #1
Joined: Aug 07 2006
Location: Northumberland
 Just buy and fit a new one. They aren't expensive and are easy to fit. Citroen designed the car to have one.
BernieRubble   
Mon Jun 27 2011, 03:23pm
Member No: #15579
Joined: Sep 21 2010
Location: Merseyside
 Hi, I priced the new heat shield today, at Dealer 1, £18.66 + vat, you can't beat that. I priced it also at a franchised Citroen/Mazda dealer in Wallasey today, £26.

I've got a Diagnostic appointment on Saturday, 8am, Dealer 1, £70 all in, my C4 1.6HDi splutters/cuts out in bad weather, so I thought I'd better get it sorted, sooner better than later.
ianreeves   
Sat May 11 2013, 12:24pm
Member No: #13242
Joined: Apr 08 2010
Location: Cheltenham, England
 Hello folks, sorry to open an old thread.

Does anyone know how to do this on a 57 plate car. They have changed the one resonator fixing to a torx screw on one side and there is no way on earth you can get to it to loosen. (the one with the silver tape on the pipe )

I didn't want to pull too hard but i'm stumped
ianreeves   
Sat May 25 2013, 01:01pm
Member No: #13242
Joined: Apr 08 2010
Location: Cheltenham, England
 I can add to this now as there has been a design change at some point.

On the new design which you can identify because the left hand screw on the turbo resonator is now a Torx.

On these, this screw can't be removed as it's not possible to get a tool in.

The sequence is to remove the right hand screw, bracket and jubilee clip that holds the pipe on.

You can now swing the resonator all the way around to clear the 'new' torx screw.

adds about 5 mins to the overall time.
HDIrollin   
Sun Oct 06 2013, 01:34am
Member No: #22095
Joined: Sep 24 2011
Location: Zg
 Hy guys,

I have a 2006 1.6 HDI 110 VTR+ hatch with 64.000 km on the clock. Yesterday it started ratling from the engine bay, and after a quick inspection it was the heat shield, but not the upper part covering the turbo, but it seems that the lover part covering the downpipe is loose.

I checked the upper two bolts on the turbo part described here and they are fine.

It looks to me like the back part of the downpipe heat shield is loose from the engine. Is there a quick fix, or should I try to find a new one?

Becasue as I can see it is not an easy job to change it.

Chears
 

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