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  #1  
Old 01-20-2010, 01:35 PM
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Sticky gas pedal in morning cold

Son says when he starts up the 240D and drives in the morning his pedal is sticky. Presses it and it wants to stay down...has to punch it to get it back to idle. Once warm, the issue goes away. Something need some silicon spray or hanging up somehow? Thoughts? It's not terribly cold, between 20 and 30 most mornings.
Thanks!

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  #2  
Old 01-20-2010, 01:44 PM
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What's a "gas pedal?"
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Old 01-20-2010, 02:06 PM
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Brian your posts highlights a very interesting debate among Ph.Ds in the English language. The two camps tend to fall into a rather strict usage of english or a lax free use.

Technically the term "gas pedal" can mean both gas,diesel, liquid hydrogen, trash, etc. As long as pressing down on such pedal moves the vehicle forward.

I prefer the term "Go Pedal". It's funny, short, and the funny look people give me when they see my car continues when I tell them about my go pedal.

Oh and your original problem. try lubricanting your throttle linkages with some ATF. That will help with your sticky pedal.
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Old 01-20-2010, 02:17 PM
92 300D 2.5L OBK #59
 
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ATF fluid. Lube your linkage. Had similar issue lubed linkage all is well.

I like the term accelerator pedal but "go" pedal works.
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  #5  
Old 01-20-2010, 02:48 PM
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ATF fluid is what is recommended in the manual...
but you may need to clean whatever else was used in the past... often white grease is used and cold and time will cause the multiple spots to add up to sticking..
ALSO , check the spring down on the firewall which attaches to the mess of segments used to increase your engine speed....
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  #6  
Old 01-20-2010, 03:17 PM
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I had a similar problem. I lubed up everything under the hood and it did nothing.

In the end it wound up being the metal rod that contacts the back of the accelerator pedal. The area was dry and sticky. I lubed the back of the pedal with some grease and the pedal quit sticking.

Also, if that carpet around the pedal is not properly secured, it can cause a WOT situation. So, be sure the pedal does not contact the carpet at all. Especially to the right side along the trans. tunnel.
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Old 01-20-2010, 03:51 PM
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Quote:
Originally Posted by snookwhaler View Post
I had a similar problem. I lubed up everything under the hood and it did nothing.

In the end it wound up being the metal rod that contacts the back of the accelerator pedal. The area was dry and sticky. I lubed the back of the pedal with some grease and the pedal quit sticking.

Also, if that carpet around the pedal is not properly secured, it can cause a WOT situation. So, be sure the pedal does not contact the carpet at all. Especially to the right side along the trans. tunnel.
Diesel police: diesels are not throttled, and I believe the correct term is "accelerator" for the pedal. I've also read "fuel pedal"

Clean up the joints before re-lubing them. Also check to make sure that it's not binding anywhere
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Old 01-20-2010, 04:12 PM
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I need to replace the pivot arn in the firewall.Atf works,but now rain water leaks a little water.Water I taste everything.
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Old 01-20-2010, 05:27 PM
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Lube the throttle linkage after removing any rust inside the ball joints and cleaning them thoroughly.

Then check the pedal linkages too and bushing. Make sure the levers on the valve cover are also lubed.

Good call on the spring. On another car, the spring was missing and the pedal did not want to return back.

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