Re: High Idle On '69 V4 - Saab Vintage Models Bulletin Board - Saabnet.com
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Re: High Idle On '69 V4
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Posted by Richie S (more from Richie S) on Thu, 10 Nov 2011 19:26:39 Share Post by Email
In Reply to: High Idle On '69 V4, Remy, Wed, 9 Nov 2011 09:57:24
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I don't understand why everyone seems down on these carbs. I have many hundreds of thousand miles on them with very little trouble, no different than any carb.
You may want to check the needle & seat for looseness & wear. Can be easily replaced with VW unit. The accelerator diaphragm will also fit from VW. The top gasket most likely won't fit. I made my own last time out of gasket paper from Pep Boys. Put paper over top of carb base and tap lightly with screwdriver handle NOT a hammer, It will leave an impression that is cut out with scissors & an Exacto knife.
As BobD said it may be as simple as a float adjustment.But I suspect a dirty/worn needle & seat?

Make sure you don't loose the ball & weight when top is off carb (don't work throttle with top off) this keeps the accel pump from bleeding fuel when not needed. Come to think of it, this could be gummed up and be the problem?
And lastly check the fuel inlet tube for tightness to carb top while you have it off. They come loose & need sealed/glued in with locktite.

So get a screwdriver & look into it, you just may fix it!

RGS in Da Burgh, Pa. USA

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