Anyone replaced their heat shield clips recently? Sounded like exhaust was falling off, but after prodding around it was a clip that was corroded. Others didn't look too healthy, neither. I have searched and an old thread showed a part number 

N 903 350 05

 

Only listing online I could find is for 4 clips and about £15 from US.

 

Dealer is a bit far to travel. Apparently, they cost 20p 8 yrs ago. So, that's alot of inflation to nearly £4 a clip.

 

Are they standard sizes or bespoke to the car model?

 

Thanks

 

 

 

 

I have bought from this seller many times and they have always been great...

 

 

10 clips £2.59 and free postage...

 

https://www.ebay.co.uk/itm/VW-AUDI-POLO-GOLF-PASSAT-UNDERTRAY-UNDER-ENGINE-WASHERS-BONNET-INSULATION-COVER/190889268876?epid=649821321&hash=item2c71e3168c:m:mEPfGco5tubdekkLU60c1qg

 

20 clips £3.45 and free postage ...

 

https://www.ebay.co.uk/itm/VW-T4-T5-TRANSPORTER-METAL-WASHER-BONNET-UNDERTRAY-LINING-INSULATION-TRIM/171255436695?epid=649821321&hash=item27df9e9597:g:~tkAAOxy79VRe1~9

Edited 1 September, 20196 yr by TMB

My local car shop had some in on their shelves 

Thanks. 

 

They measure 30mm diameter.  A bit more rusted, ie heat shield clips

 

Here is a pic of a clip in the engine bay. 30mm diameter

The heat shield clips don't seem to have the 4 holes , but the ones remaining are badly rusted.

 

The links have an almost identical part number N90335005 rather than 

N90335004. 

Will they fit a Fabia Vrs mk1?

Edited 1 September, 20196 yr by bmbmdmb
Pic

They are a different type of part than the one used on the under bonnet sound proofing, so just buy some, but, be aware that in most cases, the original retainers will still be on the car but rusted up, and the reason that you are finding that the heat shield has fallen down is because it is made of some aluminium alloy kind of material, and these retainers are zinc'd steel - so that has started a  reaction that has locally trashed the aluminium alloy material - and it has "gone" and the heat shield now has a big hole in it where originally it had a small hole for the retainer's stud to pass through. So      that means that you will need to make up some thin metal disc patches/repair washers to cover these holes when you go to fit new retainers.

 

Edit:- try searching ebay etc for VW heat shield retainers, there will be a few valid numbers that will give you exactly what you have in that picture in your opening posting.

 

Another Edit:- correction try "VW heat shield clips"

Edited 1 September, 20196 yr by rum4mo

1 hour ago, rum4mo said:

the heat shield now has a big hole in it where originally it had a small hole for the retainer's stud to pass through

I scraped out all the iron oxide rust and the hole in the heat shield is a circle, like it has always been that size. The heat shield looks in good condition. I've got some washers that will cover it though.

 

I've messaged the seller about compatibility, as a lot of these clips are for VW in the listing. When I did a vehicle compatibility check it stated these weren't a fit for my vehicle. 

 

As for fitment, I guess they just push over the screw stud that is peeping out the heat shield, and has lots of rust on its surface?

 

Just found this. The hole in heat shield is bigger. Like the heat shield has been pulled out over the remaining clip.

https://www.google.com/url?sa=t&source=web&rct=j&url=%23&ved=2ahUKEwjwvra2m7DkAhXIQUEAHdtmDGEQxa8BMAJ6BAgAEAY&usg=AOvVaw0VTJzWxrN8ZFOD4xbU2nov

 

Another video shows a pop rivetter being used to secure shield.

Edited 1 September, 20196 yr by bmbmdmb

That link did not work for me, but, I'd give normal thickness washers a miss, as I said you need a piece of thin sheet tin etc, like a piece cut from a tin of peas/beans etc, originally the hole through the heat shield will be just a bit bigger in diameter than the stud, it will always end up expanding and still being circular due to the shape of the steel retainer below it, I've been there done that on a couple of cars and I'd doubt that your car will be much different, that is always going to happen with time and moisture.

 

Edit:- no need to start drilling extra holes in the body to use a pop rivet, just use what is there.

Edited 1 September, 20196 yr by rum4mo

The clips I linked to are the same thing, just a slightly different design. I used them on mine. You just push them on with a tube-like tool - a 10mm socket for example. The studs that the clips push on to are threaded and the purpose of the two holes in the clips are to be able to use a tool like needle-nosed pliers to be able to uncrew them if you ever need to take them off. The rusty ones that came off my car were your type. It even says heat sheild clips further down the listing. I wouldn't have directed you to them if they were the wrong bloody thing 🙄

 

 

Edited 1 September, 20196 yr by TMB

I did the same using eBay stuff on my Superb Mk2 as a few had dropped off. Been over a couple of years still holding on. 

1 hour ago, TMB said:

. I wouldn't have directed you to them if they were the wrong bloody thing

I thought not, but the listing is for a VW Transporter. I know VW parts are similar to Skoda, but the listing didn't state Skoda Fabia mk1. 

I looked up myself before posting a few listings and they too came up with VW transporter, Golf fitment. But, didn't fit a Fabia for whatever reason.

 

Gav - Thanks. I found your work on search before posting. Nice one.

 

Rum - Yes, the thin sheet of metal sandwiched between heat shield and clip over stud is what I will try. The video I tried linking to and can't find again showed exactly what you have suggested, cheers.

 

I've bought x20 from the link above

 

I just need to get through some cans of baked beans now...

19 minutes ago, bmbmdmb said:

I thought not, but the listing is for a VW Transporter. I know VW parts are similar to Skoda, but the listing didn't state Skoda Fabia mk1. 

I looked up myself before posting a few listings and they too came up with VW transporter, Golf fitment. But, didn't fit a Fabia for whatever reason.

 

 

 

 

The Fabia is just a VW Polo in a different shaped body.

6 hours ago, bmbmdmb said:

I scraped out all the iron oxide rust and the hole in the heat shield is a circle, like it has always been that size. The heat shield looks in good condition. I've got some washers that will cover it though.

 

I've messaged the seller about compatibility, as a lot of these clips are for VW in the listing. When I did a vehicle compatibility check it stated these weren't a fit for my vehicle. 

 

As for fitment, I guess they just push over the screw stud that is peeping out the heat shield, and has lots of rust on its surface?

 

Just found this. The hole in heat shield is bigger. Like the heat shield has been pulled out over the remaining clip.

https://www.google.com/url?sa=t&source=web&rct=j&url=%23&ved=2ahUKEwjwvra2m7DkAhXIQUEAHdtmDGEQxa8BMAJ6BAgAEAY&usg=AOvVaw0VTJzWxrN8ZFOD4xbU2nov

 

Another video shows a pop rivetter being used to secure shield.

 

When you get under there....

The heat shield has two little tabs that retain the washer/clip. Bend them down slightly to remove old and fit new.

The stud has a screw thread. So after initially pushing the washers on, can rotate them through one of the slots to tighten slightly.

 

These are the ones I got. They're on the car now.

https://www.ebay.co.uk/itm/VW-AUDI-POLO-GOLF-PASSAT-UNDERTRAY-UNDER-ENGINE-WASHERS-BONNET-INSULATION-COVER/190889268876?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

 

J.

These two types of clips are different for many reasons, they are intended to be used for different purposes, the smaller thicker ones are only used for securing thick and heavy sound proofing, the bigger thinner and more flexible ones are or as time goes on, were used for securing heat shields and plastic undercovers.

 

If starting from scratch why not just buy the retainer intended for the job, sometimes you need to think before accepting the descriptions written in some ebay ads, after all the seller just wants to make money.

 

I've bought the smaller thicker ones recently but that was only to fit one in a position that VW did not find the need to, the springy/flexible larger ones I've used for years on my older cars, nowadays these are only used to secure heat shields, their use in lower temperature locations has now been stopped and plastic nuts have replaced them in newer cars.

7 hours ago, vindaloo said:

 

When you get under there....

The heat shield has two little tabs that retain the washer/clip. Bend them down slightly to remove old and fit new.

The stud has a screw thread. So after initially pushing the washers on, can rotate them through one of the slots to tighten slightly.

 

These are the ones I got. They're on the car now.

https://www.ebay.co.uk/itm/VW-AUDI-POLO-GOLF-PASSAT-UNDERTRAY-UNDER-ENGINE-WASHERS-BONNET-INSULATION-COVER/190889268876?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

 

J.

 

Typically you find that the area with the retainer retainer clips has gone - vanished - dissolved, and that is why the heat shields fall down or otherwise come loose and draw your attention to this problem. When used to retain the side plastic undercovers, rust does eventually kill them and they let the undercover droop if your lucky, if not, I've heard that when too many fail due to rusting, the undercovers drop down onto the road, but you would need to be very short of checking things over to end up in that situation - a friend's daughter did lose one from her old Polo, so much for "garage of dad" !

The fact of the matter is that both will do the job perfectly well. Ford have used exactly the same clips on their heat shields, so to say they are not suitable for heat shields is incorrect. There is no difference in the size either. They are both 30mm diameter.

4 hours ago, rum4mo said:

 

Typically you find that the area with the retainer retainer clips has gone - vanished - dissolved, and that is why the heat shields fall down or otherwise come loose and draw your attention to this problem. When used to retain the side plastic undercovers, rust does eventually kill them and they let the undercover droop if your lucky, if not, I've heard that when too many fail due to rusting, the undercovers drop down onto the road, but you would need to be very short of checking things over to end up in that situation - a friend's daughter did lose one from her old Polo, so much for "garage of dad" !

 

I was quite surprised. The heat shield looked OK. The retainers had corroded away completely. Just some fragments left caught under a tab. Even the tabs survived me bending them out and back in to hold the replacements.

 

You'll see some generic circular spring clips that I've used to refix (for the second time) my new rear heat shield. There is no difference in these to the genuine VAG ones that came off, from a thickness and quality perspective.

 

As for them not being suitable because of the heat - if you're getting that high exhaust temps, the clips are the least of your worries!

When it comes to fitting them, I use a 10mm deep socket and a rubber mallet to tap them onto the threaded stud, then use a set of long nose pliers in the circular holes to twist the clip clockwise for some extra tightness.

Edited 2 September, 20196 yr by Lofty

The info about the tabs is useful. There are 3 rusty 'bits' which I could not identify which I now know are the remains of the tabs. 

 

The heat shield wraps around the back box and there are two hex nuts/washers to upper left of tailpipe. So, the.heat shield is unlikely to drop off just make a loud clattering sound.

 

Just waiting for my order to arrive. I'll post a picture when fixed.

 

Thanks all for replies.

7 hours ago, vindaloo said:

 

I was quite surprised. The heat shield looked OK. The retainers had corroded away completely. Just some fragments left caught under a tab. Even the tabs survived me bending them out and back in to hold the replacements.

 

Tut tut, not enough salt being thrown on the roads where you drive.

Arrived today, and fitted. 

 

^ Job's a gud 'un

Annoying knocking coming from the rear for a few weeks now, crawled under the rear and found a couple of these have corroded and fallen off making the sheild loose, could that really be the cause of the knocking, that simple ??

 

I'm in cyprus so not exactly the best place for parts,,, any suggestions for a work around ?

3 hours ago, kerms34 said:

could that really be the cause of the knocking, that simple ??

Yes.

Fix depends on whether its the heatshield that's corroded away around the fixing, or the fixing that's corroded away or fallen off.  If it's the former,  just make a plate out of anything you like with a small hole in the middle and sandwich the heatshield under/above that. 

 

Fixings are readily available on ebay etc. just look for a seller that will post internationally I guess.

Edited 8 December, 20205 yr by Wino