[928uk] Injectors

[Richard Armstrong]

Paul
You should have no problem - some people prefer to put the injectors in 
the rail first. I don't. The injector will push into the manifold up to 
a shoulder as you have found. When the rail goes on (using a bit of 
silicon or vaseline) just start at on end and lower it onto each 
injector in turn, the 'o'ring should just slide into the pocket in the 
rail, just past the relief in the bottom of the pocket, and it will seal 
fine if your 'o' rings are good. Leaks are usually due to lack of lube 
and the 'o' ring distorts.

The little clips just slide in and hold the rail to the injector - if 
the rail nuts were loose, the clips will stop the rail jumping off the 
top of the injectors.
Don't worry!
You are right inasmuch as the manifold is not the easiest component to 
remove and replace, a lot of care is needed to get it right. Did you 
have the injectors cleaned and tested on an ASNU unit? Worthwhile.

Richard A
>Hi,
>Just been replacing the inlet manifold on my GT this afternoon. Much
>head scratching over all the damn vacuum lines ! Armed with the
>excellent diagram from the manual (24-216) and having read just about
>everything on all 928 related websites I thought it would be easy.
>The manual, which cost a damn fortune, is worthless. It shows vacuum
>lines which don't exist and doesn't show others that do. Anyway, sorry
>for that just venting (no pun intended) frustration. I did have the very
>big problem that all parts pertaining to the inlet manifold were in a
>large cardboard box where the OPC had taken them all off and dumped
>them. If I had taken it to bits I'd have labelled everything very
>clearly !
>Now my question. After being happy (I think) with the manifold
>electrical connections, breather hoses, and vacuum lines I bolted it
>down.
>Next I put vaseline on all the injector o-rings and wiggled them down
>into their holes in the manifold. So far so good. Now for the fuel
>rails. Bolting the fuel rails down the top o-ring on the injectors seems
>to only just disappear up into it's hole in the fuel rail - I have no
>confidence they wont spurt petrol all over the place. Did I put the
>injectors too far into the manifold ? Should I try to pull each injector
>up into the fuel rail ? Or is this normal ?
>Next question is the little clips which supposedly hold the injectors to
>the rail - how ? I can't see any way these clips can hold injector and
>rail together, the only thing they seem capable of is stopping the
>injector going up into the rail.
>I appreciate if you haven't seen this you wont be able to visualise it
>but I'm certainly hoping someone is reading this with a knowing grin on
>their face and the willingness to enlighten me.
>If I start the car and it bursts into flames I'll be a little sad.
>All suggestions very gratefully received !
>
>P.S. The inlet manifold is a SOB - if it works leave it alone !
>
>Paul
>
>'85 928S2 Turquoise