12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

NV4500 questions

Old Dec 29, 2008 | 10:51 AM
  #11  
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Originally Posted by Whitmore
Yes they are right ......change the oil and see how it works then.........I use Amsoil synthetic syncromesh and it works great
Thats very interesting info Whit - but you have a 6 speed - the synchros are completely different than the 5 speed.
 
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Old Dec 29, 2008 | 10:58 AM
  #12  
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Originally Posted by Heath
The NV4500 takes the Syntorq as mentioned above. This is a 75W-90 gear lube with GL-4 specs. You don't want a GL-5 which most gear lubes are. AMSOIL has one as does castrol.
Heath - what is the recommended Amsoil fluid for the NV-5600?
 
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Old Dec 29, 2008 | 12:59 PM
  #13  
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Doc thanks for catching this........I stand corrected as I thought the same oil was recommended by Amsoil..........see below

Originally Posted by Heath
For the NV4500, our product is the Synthetic Manual Transmission and Transaxle Gear Lube 75W-90 API GL-4 (MTG).

For the NV5600 it's Synthetic Manual Synchromesh Transmission Fluid (MTF) SAE 5W-30
 
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Old Dec 29, 2008 | 05:30 PM
  #14  
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I looked it up on Amsoil's product lookup guide. the recommended GL-4 is "Synthetic Manual Transmission and Transaxle Gear Lube 75W-90 API GL-4 (MTG)"; or part number MTGQT-EA.
 
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Old Dec 29, 2008 | 08:00 PM
  #15  
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Thanks everybody for your replies. Ill change it and see what happens. Its not horriable yet just annoying .
 
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Old Dec 30, 2008 | 12:24 AM
  #16  
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im going to order some of that amsoil gear lub this week how many qts do i need, i forgot to write it down the last time i changed the fluids
 
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Old Dec 30, 2008 | 01:01 AM
  #17  
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8.0 pints for the NV4500 and I believe an additional quart if you put the street L (90* pipe fitting) in to raise the oil level a bit. don't remember if it's a quart or pint...I put an additional quart in mine.
 
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