High pitch whistle from my Weber.??? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 08-27-2002, 12:45 PM
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High pitch whistle from my Weber.???

Last night I was taking the Samurai out for it's evening romp. I came to a stop sign and it started to whistle. I pulled over and checked it out but couldn't find the source. The only time it will whistle is when I crack the throttle or if I am giving it no gas at all, at idle for example. After further inspection I realized that one of the idle jet screws on the side of the carb was the cause. My question is this...Is there supposed to be a rubber o-ring on this screw? I will try to find a pic to point out the idle jet(not even sure what the technical term for it might be) but there is one identical to it on the other side...

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post #2 of (permalink) Old 08-27-2002, 08:23 PM
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Re: High pitch whistle from my Weber.???

Check the main mounting bolts at the base of the carb , too . If the base gets loose, the vacuum leak will cause the whistle . The idle mixture jet has a spring to hold tension on it , but there should only be one , unless you are running a 38DGES . There is a parts drawing available at Redline Weber's web site.
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post #3 of (permalink) Old 08-27-2002, 10:10 PM
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Re: High pitch whistle from my Weber.???

Yep, the idle jet holders have "o" rings.
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post #4 of (permalink) Old 08-28-2002, 07:24 AM
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Re: High pitch whistle from my Weber.???

I replaced both O-rings last night. Still whistling. So I tightened the main mounting bolts a little and its now gone.
Thanks for the help.
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