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Old March 25th 10, 02:44 PM posted to rec.autos.makers.saturn
danielr
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Posts: 19
Default Idle control Valve?

On Mar 23, 12:15*pm, "Oppie" > wrote:
> Hello fellow design engineer (I'm an EE).
>
> I would get another opinion. Yes, the fuel leak has to be fixed but whether
> replacing a whole assembly instead of doing an appropriate minimal fix has
> to be evaluated. Besides, 'wet' will not likely be your root cause.
> * I had Saturn try to find out why my L300 wouldn't start. Turned out to be
> an intermittent crank sensor but they surely charged me for a very minor
> leak in the fuel test port (which did not leak when the safety cap was on).
> I had damaged the schrader valve when attaching a makeshift fuel pressure
> gauge...
> Point is that lots of techs go for the obvious rather than looking for root
> cause.
>
> "danielr" > wrote in message
>
> ...
>
>
>
> > hello everyone;
> > i discussed the post and your answers with my mechanic.
> > he lifted the hood to have a look at the ICV area, and showed me a
> > leak in the fuel system.
> > there is a black bakelite right angle which couples from a rubber hose
> > into the (apparently aluminum) front interface of the fuel rail (looks
> > as a manifold and runs behind the SOHC engine block, delivering the
> > fuel into the cylinders).
> > IT IS WET.
> > we ignore if what is leaking is the bakelite-aluminum interface, or
> > the bakelite-rubber interface.
> > he says that the best would be to CHANGE to whole fuel (manifold) rail
> > (C$ 350 + labor). because a coupling bakelite-aluminum is flimsy and
> > could be location of the leak. he did not touch it, nor explore the
> > area.
> > the part must come from USA location.
> > a personal note:
> > speaking as an (ex) design engineer (i am retired now), my duty was 5%
> > inspiration and (compulsory) 95% perspiration, to deal with the
> > frustrating task of fixing / improving the (first pass of) design to
> > make it work.
> > apparently, for this mechanic is more cost effective to replace
> > instead of researching to fix. i would not oppose to replace unless IT
> > IS STRICTLY NECESSARY.
> > searching the web for fuel rails for saturn, led me to stores/
> > warehouses which offer
> > “MR GASKET PUSH ON RUBBER HOSE, BLACK -- -8 AN, 4 ' Long, Designed To
> > Be Used With Mr. Gasket Push-On Swivel Fittings, Can Withstand Up To
> > 250 PSI”; for U$S 23.00…………
> > it is only the hose, but gives an idea of possinle alternatives once
> > the REAL ROOT CAUSE of the problem is located.
> > so, my new questions a
> > a) as there were previous replies mentioning drop of pressure in fuel
> > system as possible culprit of the erratic startup problem, is it
> > possible that this leak to be the cause of it?
> > b) i don’t know the designation of THAT black aluminum angle, neither
> > if it is a coupler between the rubber hose OR the front end (affixed
> > to) the fuel rail manifold; so i can not seek it online.
> > all suggestions, references, comments, advices will be greatly
> > appreciated.

>
> > danielR.- Hide quoted text -

>
> - Show quoted text -


Hi Oppie;

Thank you very much for your insight.
I am in the process of getting "that second" opinion, and get the leak
fixed.
I am trying to to avoid (as much as possible), going to the dealer
shop.
Here in Canada, they are extremely expensive.
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