5 Speed Tranny Question.. - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 07-02-2007, 11:13 AM Thread Starter
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5 Speed Tranny Question..

This may qualify for the dumbest question of the week, hopefully I will win a t-shirt or something.. :shrug:

I have the NV4500 5 Speed tranny. I have looked all over the exposed surfaces and can only find one drain plug. It is located on the passenger side and has a tag on it instructing to refill with Castrol Syntorq. My question - where is the other drain plug? The one I have found appears to be low enough to be the lower drain and I don't find anything else lower. Is the top plug accessed through the cab?

Thanks for any advice..
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post #2 of 5 (permalink) Old 07-02-2007, 12:36 PM
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There is no drain plug on a NV4500. The plug you are referring to is the fill plug. You can drain it through the lowest PTO cover bolt witch uses a 9/16 wrench or socket.

Dan
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post #3 of 5 (permalink) Old 07-02-2007, 01:22 PM Thread Starter
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Quote:
Originally Posted by SoGrand
There is no drain plug on a NV4500. The plug you are referring to is the fill plug. You can drain it through the lowest PTO cover bolt witch uses a 9/16 wrench or socket.

Dan
That certainly explains why I couldn't find it. I thought I was going nuts.

I looked at the PTO cover and wondered but saw a liquid gasket material and decided against that. So if I remove one bolt and don't disturb the seal, I don't need to get any permatex or anything to seal it back up? Just remove the bolt and replace it when done?

Also, my reference shows I need 8.5 pints of Castrol Syntorque 75w-90. Sound like the right amount?

Good reference site here for this kind of thing: http://dodgeram.org/

Thanks for your help.
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post #4 of 5 (permalink) Old 07-02-2007, 06:08 PM Thread Starter
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I have done more reading today. Seems like there are mixed opinions on whether you should even change this fluid or not. I have 120K, seems like at some point you would benefit from fresh fluid. Any thoughts on this? Thanks.
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post #5 of 5 (permalink) Old 07-02-2007, 07:09 PM
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ok

If it aint broke dont fix it. ha jk But I had and old chevy with manual never touched the fluid it went 250000 miles. Sometimes, in my opinion it is better to leave things like that be. But im sure others will argue to change it. I know that probably didnt help you out at all but I just felt like rambling. Anyhow good luck.
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