What is this plastic "plunger" thing in my trans pan? - F150online Forums



What is this plastic "plunger" thing in my trans pan?

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  #1  
Old 07-19-2009, 03:27 PM
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What is this plastic "plunger" thing in my trans pan?

I dropped the pan to change the trans filter in my 03 with 4R70W and there was a 1.5 inch "plunger-like" plastic piece laying in the pan. It has an o-ring on it. I don't know where it came from but I assume it has a purpose. Anybody know what it is or what I'm to do with it? Thanks in advance.
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Old 07-19-2009, 05:14 PM
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SOLVED! After further research it appears this is the dipstick plug that is inserted prior to assembly, when the dipstick tube is inserted the plug apparently gets pushed out and sits in the pan until next service. I guess it shows thiat I am performing the first service. FYI
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Old 07-19-2009, 05:19 PM
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Sounds like the plug used to fill the dipstick hole during assy. When they build the truck, and they shove the dipstick tube in place, it knocks the plug into the pan where it stays until the trans fluid and filter get changed. It's totally harmless, just throw it in the trash, or save it as a souvenier.
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Old 07-19-2009, 05:52 PM
 
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Haha yep. I kept mine after changing the trans fluid. Just a little keep sake for remembrance haha. I still have it in my room.
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  #5  
Old 07-19-2009, 07:46 PM
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if you keep it and ever have you tranny out of the car, you plug the extension housing, and use the plug to cover the dipstick tube if you fill the tranny before reinstalling
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  #6  
Old 07-19-2009, 10:16 PM
 
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When the F150 forum has a all-hands party, you can put that thing on a necklace and it will be good for the first half-dozen draft beers.
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  #7  
Old 07-20-2009, 12:01 PM
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Quote:
Originally Posted by Dennis Nicholls View Post
When the F150 forum has a all-hands party, you can put that thing on a necklace and it will be good for the first half-dozen draft beers.
Excellent.......i knew i kept mine for a good reason
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  #8  
Old 07-20-2009, 01:15 PM
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My new to me 01 SCREW has 170000 miles and I wanted to change the fluid. Dropped the pan, lo and behold, there was the plunger! Drained the TC, blew out the tranny cooler lines and put her all back together and she shifts like a champ.

Built tough....Built FORD Tough!
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  #9  
Old 07-20-2009, 01:20 PM
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NO. Its the 1000th f150 off the line and you can turn that plug in for a brand new 2010 F150 of your choice!!
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  #10  
Old 07-22-2009, 07:20 PM
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Talking

Take it to your nearest Ford dealer to have the o-ring decoded to see if you won a 1974 Pinto!
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