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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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replacing 203 chain

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Old Jul 30, 2007 | 11:02 PM
  #1  
fordsrgrt's Avatar
fordsrgrt
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From: clinton iowa
replacing 203 chain

has anyone who replaced their chain tell me how much of a job it is,and can it be done while still in vehicle .do all 3 shafts have to come out,some instructions would be nice if anyone knows of a link ,thanks
 
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Old Jul 31, 2007 | 12:59 AM
  #2  
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Mil1ion
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Mabe try the engine forum.?

That's where engine tech is located

This Q doesn't relate to 73-79 trucks

I have never heard of a 203.
 
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Old Jul 31, 2007 | 06:18 AM
  #3  
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n9lhm
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From: South Bend, IN
I think what he means is a NP 203 transfer case.
 
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Old Jul 31, 2007 | 08:58 AM
  #4  
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arctic y block
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From: Island Southeast Alaska
I have always dropped them clear out and dismantled them. I know of no other way. Good time to replace seals and brg too. As well as the drive gears if there is enough wear to warrant a new chain. If the chain has slipped than ya prolly need new gears, If it broke than there may be busted teeth on the gears or bent shafts.
 
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Old Jul 31, 2007 | 09:49 AM
  #5  
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fordsrgrt
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From: clinton iowa
well its making a popping noise when in 4wd ,was told or read thats a common problem when the chain becomes stretched,just hoping to get by this season with just changing out the chain,then this winter i will convert it to a 205,but for now from what i read this morning should be able to do it in the truck
 
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