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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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Posted: Mon Sep 14, 2015 6:34 pm Post subject: removing fuel injector plug? |
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Any tips for getting the fuel injector plugs off? I'm going through cleaning up all my contacts and I started on the fuel injectors. I got the cold start valve off easily and one injector had one side of the wire clip off so that came off pretty easy.
The 3rd injector I used a small screw driver to pry the metal clip to one side then wiggled it off. It worked but I broke off a small piece of the plug in the mean time. Is there a better way to do this than trying to pry with a screwdriver? _________________ 1981 Aircooled Vanagon
https://www.flickr.com/photos/dsrphotography/
http://www.dustybootsphotography.com/ |
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dhaavers Samba Member
Joined: March 19, 2010 Posts: 7756 Location: NE MN (tinyurl.com/dhaaverslocation)
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Posted: Mon Sep 14, 2015 6:40 pm Post subject: |
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Needle nose vice grips to pull the clip off...no prying, no pressure.
Penetrating oil and tiny tap-tap-taps to loosen the connector.
Work to prevent carnage, but don't be surprised if it happens...
Get 'r done! _________________ 86 White Wolfsburg Westy Weekender
"The WonderVan"
<EDITED TO PROTECT INNOCENT PIXELS> |
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bluebus86 Banned
Joined: September 02, 2010 Posts: 11075
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Posted: Mon Sep 14, 2015 6:47 pm Post subject: Re: removing fuel injector plug? |
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domromer wrote: |
Any tips for getting the fuel injector plugs off? I'm going through cleaning up all my contacts and I started on the fuel injectors. I got the cold start valve off easily and one injector had one side of the wire clip off so that came off pretty easy.
The 3rd injector I used a small screw driver to pry the metal clip to one side then wiggled it off. It worked but I broke off a small piece of the plug in the mean time. Is there a better way to do this than trying to pry with a screwdriver? |
don't you press the wire inwards to release the plug from the injector???
also if the engine is filthy, dirt and gunk mixed with grease may gum things up and cause the plug to stock and the wire to not move all the way, so blast away with WD-40 from an aerosol can to clean it up before removal.
Anyway try pressing the wire clip inwards towards the plug, after you clean it if it is dirty. never pull on the wires or harness, only the plug body, use pliers if you need a better hold. If you need more room to work on a stuborn plug, it may help to remove the injector from the intake to gain better access or it is good to be able to twist the injector around if the injector plug is not facing up for easy access. (loosen fuel hose too so that hose my spin on injector when twisting, the plastic injector bodies are brittle, can leak at the plastic to metal seams thus don't put side forces on the injector, never drop them! ) (dose hose end and injector seal with WD-40 to allow to twist easy if they stick) _________________ Help Prevent VW Engine Fires, see this link.....Engine safety wire information
Stop introducing dirt into your oil when adjusting valves ... https://www.thesamba.com/vw/forum/viewtopic.php?t=683022 |
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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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Posted: Mon Sep 14, 2015 6:55 pm Post subject: |
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Pressing the wire clip inward? That's what I read a while back in another thread but for the life of me I couldn't get that to work. I did both the injectors on the driver side now I'm onto the passenger side. I'm giving all my connections a good shot of lps1 to try to cure some wet weather running issues that I'm having. Once I get the injectors done I think other than the ecu and idle control I will have sprayed and cleaned every contact and connection in the engine bay. _________________ 1981 Aircooled Vanagon
https://www.flickr.com/photos/dsrphotography/
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dlb154 Samba Member
Joined: December 27, 2006 Posts: 359 Location: Reno, NV
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Posted: Mon Sep 14, 2015 10:07 pm Post subject: |
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Press and hold down the wire (pressing at the gap between wire and injector plastic body) and hold down while pulling the connector away from the injector.
Easy to do with one hand if you pinch the connector wire and pull away from injector. |
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tjet Samba Member
Joined: June 10, 2014 Posts: 3533 Location: CA & NM
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Posted: Mon Sep 14, 2015 10:44 pm Post subject: |
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I always remove the wire clip (especially sensors) unless it has the larger bail on it. |
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djkeev Samba Moderator
Joined: September 30, 2007 Posts: 32592 Location: Reading Pennsylvania
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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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djkeev Samba Moderator
Joined: September 30, 2007 Posts: 32592 Location: Reading Pennsylvania
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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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bluebus86 Banned
Joined: September 02, 2010 Posts: 11075
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Posted: Wed Sep 16, 2015 12:07 pm Post subject: |
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I believe the metal wire clip is install backwards in the last photo, should it not be such that the wire extends over the gap on one side of the connector so that the wire can be pressed inwards (press into the gap) By pressing the wire into the gap the sides will bulge out and release the clip.
Try removing that wire clip and re-install 180 degrees rotated from what it is now, and see if that works better for you. this is only a guess. _________________ Help Prevent VW Engine Fires, see this link.....Engine safety wire information
Stop introducing dirt into your oil when adjusting valves ... https://www.thesamba.com/vw/forum/viewtopic.php?t=683022
Last edited by bluebus86 on Wed Sep 16, 2015 12:13 pm; edited 1 time in total |
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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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bluebus86 Banned
Joined: September 02, 2010 Posts: 11075
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djkeev Samba Moderator
Joined: September 30, 2007 Posts: 32592 Location: Reading Pennsylvania
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tjet Samba Member
Joined: June 10, 2014 Posts: 3533 Location: CA & NM
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Posted: Wed Sep 16, 2015 1:16 pm Post subject: |
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bluebus86 wrote: |
I believe the metal wire clip is install backwards in the last photo, should it not be such that the wire extends over the gap on one side of the connector so that the wire can be pressed inwards (press into the gap) By pressing the wire into the gap the sides will bulge out and release the clip.
Try removing that wire clip and re-install 180 degrees rotated from what it is now, and see if that works better for you. this is only a guess. |
That's on on correctly. See the 3 keyways on the plug & how the wire would lock in the receiving plug on 2 sides? Now take a look at Dave's plug. The later plugs were designed as Q.D. units. The early injectors & all years sensors have the wire that needs to be removed (carefully) |
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djkeev Samba Moderator
Joined: September 30, 2007 Posts: 32592 Location: Reading Pennsylvania
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Posted: Wed Sep 16, 2015 2:03 pm Post subject: |
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tjet wrote: |
bluebus86 wrote: |
I believe the metal wire clip is install backwards in the last photo, should it not be such that the wire extends over the gap on one side of the connector so that the wire can be pressed inwards (press into the gap) By pressing the wire into the gap the sides will bulge out and release the clip.
Try removing that wire clip and re-install 180 degrees rotated from what it is now, and see if that works better for you. this is only a guess. |
That's on on correctly. See the 3 keyways on the plug & how the wire would lock in the receiving plug on 2 sides? Now take a look at Dave's plug. The later plugs were designed as Q.D. units. The early injectors & all years sensors have the wire that needs to be removed (carefully) |
Yeah, I remember them as being a Royal Pain In The A$$ to work on back in the early days of multiport EFI!
Dave _________________ Stop Dead Photo Links how to post photos
Ghia
http://www.thesamba.com/vw/forum/viewtopic.php?t=392473
Vanagon
http://www.thesamba.com/vw/forum/viewtopic.php?p=6315537#6315537
Beetle
https://www.thesamba.com/vw/forum/viewtopic.php?t=482968&highlight=74+super+vert |
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domromer Samba Member
Joined: August 16, 2009 Posts: 177 Location: Clearwater, Florida
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djkeev Samba Moderator
Joined: September 30, 2007 Posts: 32592 Location: Reading Pennsylvania
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