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Old 29-08-2021   #16
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

SAF. Did you resolve this issue?
I have the same problem.
I have the cam cover off and a new seal kit but the bung that leaks does not come off and doesnít seam to have a seal.
To make things worse, we are in lockdown so fiat repair centres are not open to help either.
Internally the leaky bunge is fed by oil pressure via the gallery that then supplyís all your valves so sealing from the inside looks impossible.Click image for larger version

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Old 3 Weeks Ago   #17
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

No never got to the bottom of it found a valve cover for sale but the price was excessive so tried to instant gasket the hole but it was still leaking so just left it leaking. The car is due service and mot in JANUARY so will give it another bash then 😒 if you find a solution please share.
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Old 3 Weeks Ago   #18
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

Having only owned and worked on rather older cars, I didn't know Fiat had started using a plastic cam cover on the FIRE engine. A massive retrogressive step in my opinion. Your experience here is another excellent reason why plastic should not be used for these components. My boy's Astra has a much larger cam cover for the twin cam engine in his Astra. It leaks too and I've discovered it's a well known problem due to the cover distorting over time - it has a nasty habit of filling up the plug wells with oil, causing miss fires and eventually the demise of the coil pack! The only cure is to replace the cover - I believe they are not cheap, hundreds of pounds?! His has had a new gasket fitted and a whole load of sealant. It's not leaking just now, but we know it's only a matter of time.

I'm frequently hearing of problems with distortion of plastic parts, Thermostat housings, inlet manifolds, cam covers and so on and it's only going to become a bigger problem as these vehicles age. But, oh silly me, they don't want these things to last do they!

PS Wonder if "the Mick/Mike's" at S4p could help with a cheaper pattern part from one of their Italian suppliers?
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Last edited by Pugglt Auld Jock; 3 Weeks Ago at 19:10.
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Old 3 Weeks Ago   #19
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

A plastic rocker Ö.. what!!? Now thatís put me off a newer 500 thank god Iíve got an oldie!
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Old 3 Weeks Ago   #20
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Quote Originally Posted by Pugglt Auld Jock View Post
Having only owned and worked on rather older cars, I didn't know Fiat had started using a plastic cam cover on the FIRE engine. A massive retrogressive step in my opinion. Your experience here is another excellent reason why plastic should not be used for these components. My boy's Astra has a much larger cam cover for the twin cam engine in his Astra. It leaks too and I've discovered it's a well known problem due to the cover distorting over time - it has a nasty habit of filling up the plug wells with oil, causing miss fires and eventually the demise of the coil pack! The only cure is to replace the cover - I believe they are not cheap, hundreds of pounds?! His has had a new gasket fitted and a whole load of sealant. It's not leaking just now, but we know it's only a matter of time.

I'm frequently hearing of problems with distortion of plastic parts, Thermostat housings, inlet manifolds, cam covers and so on and it's only going to become a bigger problem as these vehicles age. But, oh silly me, they don't want these things to last do they!

PS Wonder if "the Mick/Mike's" at S4p could help with a cheaper pattern part from one of their Italian suppliers?
Iíve been busy replacing plastic parts and rubber .. in the engine bay I replaced my thermostat earlier in the year with one that has a metal pipe instead of the plastic pipe that breaks Iíve also replaced my oil breather pipe with a rather well made silicone pipe that has a lifetime guarantee (apparently) keeping proactive with my pipes before they fail!
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Old 3 Weeks Ago   #21
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

Click image for larger version

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ID:	220589So further to my last, I wonít bore you with trying to get help from fiat ÖÖAUS$1400 for a new plastic rocker cover.
So, I decided to drill the plug out but as soon as the drill grabbed the plug popped out. So I cleaned it up and used a engine gasket sealant on the first half (narrow part) and locktite prism (superglue) on the outer half. That seamed to do the trick but to be sure I plastic welded it together with a soldering iron and quality cable tie (YouTube has videos how). So far so good. Clocked up 200 km with no leaks. [ATTACH][ATTACH]Click image for larger version

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Last edited by Thechief; 3 Weeks Ago at 00:42.
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Old 2 Weeks Ago   #22
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Quote Originally Posted by Thechief View Post
Attachment 220587

Attachment 220588

Attachment 220589So further to my last, I wonít bore you with trying to get help from fiat ÖÖAUS$1400 for a new plastic rocker cover.
So, I decided to drill the plug out but as soon as the drill grabbed the plug popped out. So I cleaned it up and used a engine gasket sealant on the first half (narrow part) and locktite prism (superglue) on the outer half. That seamed to do the trick but to be sure I plastic welded it together with a soldering iron and quality cable tie (YouTube has videos how). So far so good. Clocked up 200 km with no leaks. [ATTACH][ATTACH]Attachment 220589[/ATTACH][/ATTACH]
Even if you got a new rocker surely the problem would/could have happened again!
Well done fixing the issue it will probably last a lot longer than a new one anyway! I just canít understand why they would use plastic!?! I suppose because itís cheaper! False economy in the long run!
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Old 2 Weeks Ago   #23
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

Quote Originally Posted by Baglady1990 View Post
Even if you got a new rocker surely the problem would/could have happened again!
Well done fixing the issue it will probably last a lot longer than a new one anyway! I just canít understand why they would use plastic!?! I suppose because itís cheaper! False economy in the long run!
Weight reduction cost Also less prone to leaks then metals ones as they can make a better sealing edge/lip then metal

Allthrough I suspect coat and weight are the main reason
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Old 2 Weeks Ago   #24
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

Quote Originally Posted by chris3234 View Post
Also less prone to leaks then metals ones as they can make a better sealing edge/lip then metal
I dont think so, the metal and plastic ones will have a separate seal within them. The metal ones wont warp with time and heat.
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Old 5 Days Ago   #25
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

Hi please can you show me a picture of a rocker cover for the 2017 fiat 500? Her garage has told her itís split and needs replacing but quoted £400 as fiat will only issue a metal one. So weíre trying to source a second hand one but donít know what it looks like!
Any help would be very much appreciated thanks
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Old 5 Days Ago   #26
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

Quote Originally Posted by Vons car View Post
Hi please can you show me a picture of a rocker cover for the 2017 fiat 500? Her garage has told her itís split and needs replacing but quoted £400 as fiat will only issue a metal one. So weíre trying to source a second hand one but donít know what it looks like!
Any help would be very much appreciated thanks
Look at picture in first post. The valve cover is the black plastic thing at top of photograph.
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Old 5 Days Ago   #27
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This one?... do you by any chance have a better picture?
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Old 5 Days Ago   #28
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Re: Fiat 500 1.2 2017 valve cover leak not from gasket

Quote Originally Posted by Vons car View Post
This one?... do you by any chance have a better picture?
Not That one the picture on the very first post in this thread from 18 jan 2021
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Old 4 Days Ago   #29
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Well done proud of ye for having the balls to take a drill to it as it could have been an expensive mistake I will be doing thus when I see the car again in January 😁😁😁
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