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Old 08-03-2011, 03:21 PM   #15
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WD-40 is good.

looks like a can of Carb cleaner properly applied also would help
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Old 08-03-2011, 03:41 PM   #16
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Well, we got to the shore (about a 5 minute drive from our house) and had a great evening, a not so great sleep on the uncomfortable mattress (that's definitely going on the list of things that need changing!!) and woke up to eagles chasing each other outside the window. We postponed coming back home for as long as we could, but finally went to start the airstream, and click. DEAD BATTERY!! One of the stairwell switches had been left in the on position overnight, so I think that may have been the culprit. Although it seems weird because the light doesn't actually work for the switch that was in the ON position, so I'm not sure how it would have drained the battery. I think I remember reading somewhere on here that those switches are connected to the engine battery, not the auxilliary battery and will drain the power if left on. Anyway, I think (hope) that was the problem. We'll take a charger down to it tomorrow and see. We are learning all the things to remember when using her, but doing it the hard way!

So, the main bad thing is that since the high revving of the engine it is now running really roughly. Loud knocking and it is definitely not a smooth idle by any means.
We live rurally, but have heard of a good heavy-machinery mechanic nearby, we'll give him a call in the next few days and hope to get a tune-up, or diagnosis anyway.

Our problem right now is that we are both self-employed and I run a pottery shop and this is the high point of the season, so not a lot of time for much extra (like mechanics). Oh well, the neighbours don't mind if we leave it parked on their land where it is, so at least we can walk down to it and spend the nights there on the shore until we get things sorted out.

Thanks guys, I'll keep you updated and will check out the points you mentioned Keyair. The cruise control doesn't work, guess I know why now. And since we're not planning any long trips (in the near future anyway), we don't need it.

Bye for now...
Sarah
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Old 08-03-2011, 04:22 PM   #17
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Sarah Don't start the engine again before the mecanic is there.
Loud knocking is not good.
I think that the throttle cable is gone .
Had the same thing a few weeks ago with my chevy went for a long drive and due to heat the iner cabele got stuck.
Good luck
Remco
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Old 08-03-2011, 04:26 PM   #18
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Binding cable has been a problem before you got it, somebody doubled the spring to compensate, Keyair's suggestion to WD-40 the area best idea, but if you don't have on hand you could use any silicone spray if you direct it to the moving parts(don't forget the pedal hinge) and do it while the engine is off, and wipe off overspray wait for the fumes to leave then start.
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Old 08-03-2011, 04:41 PM   #19
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If the old grey cells haven't giv'n up completely...

Looks like the original return spring was spring with-in a spring, spring...got that!!!
In the photo I think I see one end connected and the other....Not.

Could be they got jammed up and the smaller diameter spring can't handle the task.
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Old 08-03-2011, 06:19 PM   #20
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There's a fuel filter plugged into the carburetor on 345's...small in-line thing that can screw up your ignition system...I still opt for the distributor, but I go to a mechanic for a reason...I'm a good nurse in the ER, but my skills under the hood belong to a hammer, and a BIG one...and a big hammer under the hood is NOT a good idea...leave it to the professionals, if you can find them...mike
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Old 08-05-2011, 03:47 AM   #21
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get a can of Carburetor cleaner and WD-40
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Old 08-05-2011, 08:57 AM   #22
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Robert, I looked closely at the picture, with my best eye, and I think its ok... the larger spring goes around the back of the smaller one, and gets lost in view, but seems to come around and join in the right place.

Sarah, you said that when you pressed the gas pedal, the arm returned "slowly"... slowly is not always good... it shoud be directly linked to the gas pedal... only the last little bit of movement maybe slow because some carbs have a damper on the throttle arm that just slows the movement down for that last little bit like one of those door closers.
Please look again for us, and snap the gas pedal down a few times and see if it works smoothly and a connected kinda way?

Is it me or does that extra arm we assume is for the CC look non stock?

Also, the new noise is a worry.
It did occur to me this morning that pumping the gas pedal on these engines pumps gas into the engine, as it acts as the cold start choke... maybe the smell was the engine burning that excess fuel off....
.
Can you tell us again what happened when the engine made the big noise again at the start?
We are assuming that the throttle was stuck open, but how long did it run like that?

This new noise...
Was it deep kinda clunking noise that you feel as much as hear?
Did you guys see or notice the Oil Pressure gauge readings?
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Old 08-05-2011, 09:09 AM   #23
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Key,

I think your right on the spring both ends do seemed to be attached properly.

But the noise is another concern, too bad we can't hear thru the cyber-web.

A metallic rattle (flex-plate) could be a lot better than a "knock".

Bob
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Old 08-05-2011, 09:15 AM   #24
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Yes, it looks ok.

I had a rethink while you were posting your last comment and had time to edit my earlier post...

Going from cold start to full throttle may have hurt something...
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Old 08-05-2011, 01:53 PM   #25
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A 454 requires at least two and often three pumps before it starts...the noise is a concern that needs addressing...pull off the doghouse(WHY is it called a doghouse???) and see if you can locate the source of the sound...m
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Old 08-05-2011, 01:58 PM   #26
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Purchase a can of Carburetor cleaner and WD-40
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Old 08-05-2011, 02:55 PM   #27
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Maybe an English phrase, but my guess would be its called a Doghouse on Airstreams because the Husband spends a lot of time in it....
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Old 08-05-2011, 04:10 PM   #28
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Loud rattling noises are never good. Most of my idle issues have been due to bad cables or broken return springs. The scariest one was in my old Ford diesel pickup...
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