Engine/Transmission (1998.5 - 2002) NV5600 Mopar Fluid

[OldRetiredAFGuy]

Just purchased 10 qts of Mopar 04874464AB for my next fluid change (8 qts + 2 qts for 'Fast Coolers' from Geno's). With this OEM fluid, do I need to add the Mopar friction additive, or is it already in the bottle?

Thanks

Mike

 

[BigPapa]

I thought the NV5600 took Pennsoil Syncromesh and I've never heard of adding friction modifier to a transmission.

 

[NIsaacs]

No additive needed. The factory fill is 4 qts, plus coolers, maybe 6 total. I would not dump 10 qts in, you will blow your seals and cause heat.

Nick

 

[Tuesdak]

Total I came up with was 9 quarts with the cooler capacity and that's caused me seal problems.

 

[OldRetiredAFGuy]

No additive needed. The factory fill is 4 qts, plus coolers, maybe 6 total. I would not dump 10 qts in, you will blow your seals and cause heat.

Nick

Thanks Nick, but I think your figures are for a NV-4500 (5 Spd), not the 6 Spd NV-5600.

Mike

 

[NIsaacs]

Here is a copy of the Fluid Capacity page from my Service Manual.



Nick

 

[DanielClosser]

I was in a local diesel shop a couple of weeks ago, and they told me to add the trans oil to full then pull the top cover and add 1 more quart. Seems like a lot. Also, what about just using 50wt synthetic oil?

 

[NIsaacs]

I was in a local diesel shop a couple of weeks ago, and they told me to add the trans oil to full then pull the top cover and add 1 more quart. Seems like a lot. Also, what about just using 50wt synthetic oil?

That might be okay because it only takes 4 qts to the fill plug, so adding another qt makes sense if the book calls for 9.5 pints. I am thinking that NV used that fill quantity with the transmission sitting level on a bench. In the truck, with the angle it is mounted at it takes less. I change mine every 36k so that means I have changed it 7 times and I can only get 1 gallon in. Maybe I will add an extra pint of so the next time I change it.

Nick

 

[GReed]

I fill my nv5600 to the fill plug, then I use one of the small pumps that attaches to the oil bottle. I then use a chunk of clear vinyl hose that will fit in the PTO cover bolt holes. I pump in fluid until it comes out the top PTO bolt hole. With Blumenthol covers, that is about 9qts.