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Gm NV4500
- Thread starter Big Ray
- Start date
jrsavoie
Recruit
Search NV4500 here. I know this has been discussed before.
I think the only difference was the diesel had some tpe of damper.
I think the only difference was the diesel had some tpe of damper.
MrMarty51
Well-Known Member
Welcome to the forum Big Ray.
DieselAmateur
She ain't revved 'til the rods are thrown...
Did it come out of a Dodge or GM vehicle?
There are differences between the GM years and differences between the Dodge and GM transmissions, and different bellhouisng bolt patterns for GM trucks based on the years. 92-95 used an external slave and a clutch fork/ throw out bearing assembly, 96+ used an internal slave assembly. The bellhousing & trans bolt patterns are different for the two styles too; a 92-95 GM NV4500 won't bolt up to a 96+ bellhousing, and vice versa
www.offroaders.com
The aforementioned harmonic/ vibration dampener may be more common on Dodge/ Cummins equipped trucks...can't say for sure. Probably won't matter either way. However regardless of the donor vehicle make sure the 5th gear nut is upgraded to a locking type and secured with threadlocker. Its been said that it was more common for Dodge/ Cummins trucks to lose 5th gear, but the original trans in my '95 lost 5th gear.
I think that for both the dampener and definitely for the 5th gear fix, both can be done by just removing the rear tailhousing of the transmission, no need to tear the whole thing down
There are differences between the GM years and differences between the Dodge and GM transmissions, and different bellhouisng bolt patterns for GM trucks based on the years. 92-95 used an external slave and a clutch fork/ throw out bearing assembly, 96+ used an internal slave assembly. The bellhousing & trans bolt patterns are different for the two styles too; a 92-95 GM NV4500 won't bolt up to a 96+ bellhousing, and vice versa
NV4500 Transmission Info, Conversions, Reviews
NV4500 Transmission Info, Conversions Reviews
The aforementioned harmonic/ vibration dampener may be more common on Dodge/ Cummins equipped trucks...can't say for sure. Probably won't matter either way. However regardless of the donor vehicle make sure the 5th gear nut is upgraded to a locking type and secured with threadlocker. Its been said that it was more common for Dodge/ Cummins trucks to lose 5th gear, but the original trans in my '95 lost 5th gear.
I think that for both the dampener and definitely for the 5th gear fix, both can be done by just removing the rear tailhousing of the transmission, no need to tear the whole thing down
DieselAmateur
She ain't revved 'til the rods are thrown...
Do you know if the dampener is on there already or not?
Give the folks at Torque King 4x4 or High Gear transmission a call, see what the experts say. I've called both places in the past with 4500 related questions, good and knowledgeable customer service in my opinion
Give the folks at Torque King 4x4 or High Gear transmission a call, see what the experts say. I've called both places in the past with 4500 related questions, good and knowledgeable customer service in my opinion
jrsavoie
Recruit
GM Guy has some good posts on the NV4500
There is some good info on the thread about my 1994 K3500
There is some good info on the thread about my 1994 K3500
Rockabillyrat
SlIgHtLy StUpId.
I used a 98 nv4500 in my build. I ended up using the Advance Adapters bellhousing and tail shaft spacer (Im running a large input bearing np205) Im really happy with the kit. But I'm also using the factory Z bar for my 78. But they offer a hydraulic slave adapter for the bellhousing. AA makes everything to put any style NV4500 in place of any auto or manual trans offered in the square body.
DieselAmateur
She ain't revved 'til the rods are thrown...
Yup remove the rear aluminum tailhousing to see what you have behind there. I haven't done much looking but it seems the dampener is close to $400 and may or may not be readily available. Some places are selling a simple spacer to use in its place for around $16. Either way with the trans out now is a good time to at the very least do the preventive 5th gear fix. I'm no transmission expert so I can't say one way or another whether the damper is required or not.
Also in case you didn't already come across it make sure to run the correct gear fluid in the NV4500