gear problums

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Jun 26, 2009 | 09:55 PM

jack90

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Joined: Feb 2009

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gear problums

ok so i have ruled my speedometer problums down to the gear in the extension housing.
i belive my 77 f350 has a 4 speed with a very low first gear. I jacked up the truck and spun the drivshaft and found the gear in the extension house to be egg shaped and missing a chunk.
so does any one have a picture of this gear. or the part numbers for it.
Were would the id tag be on the tranny I cant seem to find the one on mine.

Last edited by jack90; Jun 26, 2009 at 10:23 PM. Reason: wrogn tranny

Jun 27, 2009 | 12:57 AM

85e150

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Check your trans agains pics here. Look at the BW T18, T19 and the NP435. Your trans will have numbers cast into the sides as well, which will help determine T18/19.

Is your first gear synchro? If so, T19.

Pics here:

http://www.motivegear.com/tech_info/...nny_guide.html

Now that same site has blow ups of all the trans. Just below the pic of the gears and gaskets, click on 'Download our manual transmission....':

http://www.motivegear.com/pages/tran...ansmission.htm

FTE partsguy might be able to help with the part once you id the trans--note he is now 'partsguyed':

http://www.trademotion.com/partlocat...?siteid=214072