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Discussion Starter · #1 ·
Hello,

I have 1991 F-250 7.3IDI and i have a problem when i let my leg out of gas pedal / start coasting, after that my tranfer case gear shifter starts to knock / pop like missing a tooth or something like that.
Doing this on 2wd and 4HI..
If someone knows what the problem could be, please comment on this.. Sorry my bad english, i am from Finland..
 

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If it's the actual tcase making noise, you need to replace the shift fork bushings.

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Discussion Starter · #3 ·
Thanks for the answer.
The oil pump bracket was broken and the plastic fork guides had melted on the rangefork.
I also noticed that the sprockets had some scratches / pitting on it and i think that the chain was loose and it has caused the deep scratches on the sprockets.
I have ordered a new oilpump kit with bracket, rangefork with plastic guides, chain, driven sprocket and overhaul kit to my BW.
Only thing what i havent found is DRIVE SPROCKET, could anyone help me to find that sprocket on somewhere?
Would it be possible to get a part from a scrap yard, for example? If you can't get a new part from anywhere. Thanks!
I am asking this, because it’s hard to me find that part, we dont have those parts in here Finland.
 

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Measure the bore of the sprocket, count the teeth and find the size of the chain. That is a standard sprocket, if you have the information I just mentioned, you should be able to get one from a local bearing supply house. Chain drives are used across most industries, you should be able to match it up with any sprocket with the proper bore, chain size, and tooth count and make it work for you.
 
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