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Old 06-28-2015, 05:31 PM   #1
Kirk1963
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Default Throttle not returning to idle

Hi guys, my throttle doesn't return to idle (I have to nudge the pedal up a bit) and sometimes I have trouble going into gear while moving - thinking it's related). Haven't had a chance to dig into it yet - is the return spring adjustable? Is this a common problem? Thanks!

Last edited by Kirk1963; 06-28-2015 at 05:51 PM.
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Old 06-28-2015, 05:41 PM   #2
Gary WA
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Default Re: Throttle not returning to idle

Needs to be oiled on top/both ends have an oil area. no on the return spring may have lost its spring?
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Old 06-28-2015, 05:50 PM   #3
Kirk1963
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Default Re: Throttle not returning to idle

Thanks Gary, I have definitely never oiled it - will check that thank you. It springs back just the last 1/4" or so it "sticks". Thanks again
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Old 06-28-2015, 05:55 PM   #4
Jwilli
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Default Re: Throttle not returning to idle

Oil works wonders. Good luck.
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Old 06-28-2015, 06:46 PM   #5
burner31
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Default Re: Throttle not returning to idle

Also check to make sure the spring is not broke, can be a pain to change but easy once you get the floor up.
I had the same problem, turned out to be a broken spring on the accelerator shaft.
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Old 06-28-2015, 06:52 PM   #6
Mitch//pa
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Default Re: Throttle not returning to idle

along with what has already been mentioned as possibilities ie tight shaft. weak or broken return spring,
check for floor board or mat interference
hand throttle lever linkage issue
and a worn throttle shaft will also cause it to hang a hair off the idle stop screw

Last edited by Mitch//pa; 06-28-2015 at 08:42 PM.
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Old 06-28-2015, 06:59 PM   #7
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Default Re: Throttle not returning to idle

Quote:
Originally Posted by Gary WA View Post
Needs to be oiled on top/both ends have an oil area. no on the return spring may have lost its spring?
Broken spring =WAO
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Old 06-28-2015, 08:38 PM   #8
Brentwood Bob
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Default Re: Throttle not returning to idle

2tooth steering box, or 7tooth?
you may not be getting full travel because throttle lever is not getting full travel.
Also, when the engine is pulled the throttle assembly gets bent.
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Old 06-28-2015, 09:00 PM   #9
Tom Wesenberg
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Default Re: Throttle not returning to idle

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Originally Posted by mrtexas View Post
Broken spring =WAO
What does WAO mean? thanks
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Old 06-28-2015, 10:16 PM   #10
Mike V. Florida
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Default Re: Throttle not returning to idle

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Originally Posted by Tom Wesenberg View Post
What does WAO mean? thanks
According to internet slang, WAO means "Wow"
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Old 06-28-2015, 10:39 PM   #11
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Default Re: Throttle not returning to idle

also ive seen worn carb shafts/butterflies hang up. might check those for slop.
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Old 06-28-2015, 10:58 PM   #12
RandyinUtah
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Default Re: Throttle not returning to idle

If you have a rubber seal nailed to the floor board that the linkage passes through it may be hanging up. It happened to me once after the car had been sitting for awhile.
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Old 06-30-2015, 09:00 PM   #13
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Default Re: Throttle not returning to idle

check floor board, it can interfere with gas peddle returning...
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Old 08-21-2018, 12:49 AM   #14
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Default Re: Throttle not returning to idle

Very new to A`s and was having a similar problem. Spent an hour trying to Mac Gyver a secondary return spring and found this thread. Oiled as described by Gary WA and works like it was meant to be. Thanks posters on the Barn, my go to place for the right fix every time.
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Old 08-21-2018, 06:05 AM   #15
JOHN CT
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Default Re: Throttle not returning to idle

I had the same problem. Oiled the linkage problem solved!! Now when I oil the distributor a couple of drops goes into the linkage. But the difference I do is I use the 600 weight oil. It doesn’t run out of it and make a mess. What do you folks think about using 600 weight oil?
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Old 08-21-2018, 07:56 AM   #16
Ray in La Mesa
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Default Re: Throttle not returning to idle

Every throttle linkage I've seen has bent bent in some way. Double check ALL along the length of the linkage and watch how it rotates, there are only about 75 ways it can be bent!
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Old 08-21-2018, 08:39 AM   #17
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Default Re: Throttle not returning to idle

What Ray said.
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Old 08-21-2018, 09:38 AM   #18
Bill G
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Default Re: Throttle not returning to idle

Quote:
Originally Posted by Mike V. Florida View Post
According to internet slang, WAO means "Wow"


WAO is just as easy to spell/ just as many keystrokes or key taps as wow.... And that's slang?

I am not saying its not, but oh well... All I can say is WAO!
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Old 08-21-2018, 01:50 PM   #19
Charlie Stephens
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Default Re: Throttle not returning to idle

I am attaching photos to show one of the two oil points that the other posters are referencing. It may be being missed since it doesn't look like a place to put oil unless you are looking for it.

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File Type: jpg IMG_9415 (1).jpg (41.0 KB, 52 views)
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Old 08-21-2018, 08:32 PM   #20
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Default Re: Throttle not returning to idle

Quote:
Originally Posted by JOHN CT View Post
I had the same problem. Oiled the linkage problem solved!! Now when I oil the distributor a couple of drops goes into the linkage. But the difference I do is I use the 600 weight oil. It doesn’t run out of it and make a mess. What do you folks think about using 600 weight oil?
Sure cant hurt. It will eventually flow around the shaft. ANy lube is better than no lube in this case.
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