 | Home > Puma (Tdci) > Injector seal removal |
 
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| Bluericky Member Since: 26 Jun 2014 Location: Cornwall Posts: 647   
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Hi all
Removed all four injectors yesterday to get bench tested , two have failed so picked up a couple of reconditioned ones today. I’ve purchased new copper seals and clamp bolts. All was going well but I cannot shift the camshaft cover injector seals . Sounds daft but I’ve destroyed one in the process and was wondering if there’s a tip . Frankly they almost seem like they’re not supposed to come out. The rubber just comes off in chunks leaving the rest in place Do I need to take the cam cover off to do it ? Looks fairly straight forward but don’t want to if not necessary! I’m trying to get it all running sweetly before I apply my new BAS remap as it was smoking quite a bit and stunk of diesel . Thanks in advance |
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13th Dec 2017 4:58pm |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127 
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Yes, they come out.
They age harden over time, which is why yours are breaking off. You need this.... https://www.googleadservices.com/pagead/ac...amp;adurl= 80" 80" 86" 88" 90" Wanted, Forward Control Anything considered. |
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13th Dec 2017 5:23pm |
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| Bluericky Member Since: 26 Jun 2014 Location: Cornwall Posts: 647
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Thanks ian
Are you saying that i need to remove the cam cover then to pop them out ? I cant really see any other way without damging the cover or getting crud on the injector seats ! |
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13th Dec 2017 5:30pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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just lever them out with a screw driver, they'll break up and fall to bits, just fit new ones. Be careful to lever the seal and not the rocker cover.
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13th Dec 2017 7:35pm |
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| Bluericky Member Since: 26 Jun 2014 Location: Cornwall Posts: 647
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Thanks ZSD, I’m levering as much as i can but as you say im a bit worried about damaging the cover. I think I’ll whip off the cam cover as there’s a small amount of oil weeping around the gasket so may aswell change that as well .
Once the injectors are replaced will the fuel system need priming or can I get away with cranking it over ? Ill be swapping over the vcv on the pump aswell |
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13th Dec 2017 8:11pm |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127
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It'll start ok
 80" 80" 86" 88" 90"
Wanted, Forward Control Anything considered. |
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13th Dec 2017 8:20pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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if the cam cover gasket is leaking then yes it has to come off anyway. you can also flush out the crankcase vent on it with some diesel/parafin while it's off.
You should just be able to crank it over, as there will still be fuel as far as the fuel rail. |
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14th Dec 2017 8:21am |
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| Roy5695 Member Since: 15 Feb 2014 Location: Cornwall Posts: 1123 
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when swapping injectors and vcv i am sure you have to do a pump calibration and maybe even code the injectors... 2011 Defender DCPU 2.2 - https://www.defender2.net/forum/topic30623.html
Instagram - @r22oyp Roy |
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14th Dec 2017 10:29am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720
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Yes you need to recode the injectors if you're replacing them. Actually all you're doing is telling the ECU where each injector specific is.
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14th Dec 2017 4:42pm |
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| Bluericky Member Since: 26 Jun 2014 Location: Cornwall Posts: 647
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Thanks , got the cover off and popped out the 4 injector seals. It took all my weight leaning on a screwdriver to do it mind !
Cover is now back on with a new gasket and compound so shouldn’t be leaking for a while. Now waiting on the new injector seals that I bought off eBay 5 days ago and still haven’t arrived, “fast and free” my a*se ! I now have the BAS2 diagnostic tool so will programme the injectors. Check all is working and then apply the remap , mildly excited about that  Click image to enlarge |
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15th Dec 2017 9:29am |
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