Injector removal from wiring
#31
Drifting
Don't know what other people are doing but on MY '85 I....
1.Disconect the fuel rail from the fuel lines.
2.Remove the small metal clip from the injector plug.
3.Remove the plug from the injector.
4.Remove the rail W/ the injectors and put it on the work bench.
5.Remove the retaining clip from the injector/rail.
6.Remove the injector from the rail.
1.Disconect the fuel rail from the fuel lines.
2.Remove the small metal clip from the injector plug.
3.Remove the plug from the injector.
4.Remove the rail W/ the injectors and put it on the work bench.
5.Remove the retaining clip from the injector/rail.
6.Remove the injector from the rail.
I will be doing this soon on my S4.
Have read all the intake removal guides and am unclear on just point 1 above i.e. disconnecting the fuel rail from the fuel lines.
Can you undo the line directly from the rail or do you always disconnect at the fuel pressure regulator (at the rear) and damper (at the front), leaving short lengths of hose attached to the rail.
In other words is there a correct choice between disconencting at the regulator/damper v disconnecting at the rail itself?
Thanks
#32
Addict
Rennlist Member
Rennlist Member
Join Date: Oct 2003
Location: Gone. On the Open Road
Posts: 16,432
Received 1,603 Likes
on
1,047 Posts
Last year I pulled the injectors out of an '85. The o-rings were so bonded to the intake runners that the pintle caps shattered before the o-rings would move. I had to cut the o-rings out of the runners.
#33
Addict
Rennlist Member
Rennlist Member
Join Date: Oct 2003
Location: Gone. On the Open Road
Posts: 16,432
Received 1,603 Likes
on
1,047 Posts
If I'm not replacing the front line, I loosen the front fuel line at the right rail then pull the rail, then disconnect the line. Installation is the reverse. Thread the line onto the rail just enough to get it started, install the rail (with injectors and clips already in, and o-rings lubed) then tighten the rail nuts and the line. This places the least bending stress on the front fuel line and is a bit easier too.
#35
Drifting
Join Date: Feb 2005
Location: Seattle, where everyone is above average, and the women are all beautiful
Posts: 2,932
Likes: 0
Received 1 Like
on
1 Post
[QUOTE=worf928;4834788]That method will work well in my experience, if, and only if, the injectors have been out of the car in the last few years. Injectors that have been sitting in their little intake holes since they were install by Klaus at the factory are harder to get out. The top o-ring will give up first regardless of the clip being in place or not. Also, you risk munging-up the rail if you have to yank too hard to get the injectors out.
Guess I was just lucky then. mine came out fairly easy, had to pick some of the lower o-rings out of the intake, I did crack a couple of the pintle covers, but I was replacing them, so I was unconcerned with that detail.
Guess I was just lucky then. mine came out fairly easy, had to pick some of the lower o-rings out of the intake, I did crack a couple of the pintle covers, but I was replacing them, so I was unconcerned with that detail.