I have done auto to manual swaps. I didnt see what model your truck was, that will make a difference. The last one I did was a 387 and the clutch linkage was a bit of a pain to get worked out. 389s should be eaiser.
Engine programming is very simple. Just change the option from auto to manual. Tear out the harness in the dash for the start enable relays. Move the resistor for the 1939 datalink. Most times you can get a trans in the same length but if not drive shafts are cheap to shorten. No new crossmembers needed.
As for the 20 grand quote, that is what we quoted as well. Now remember that 20 grand includes a new trans, new floor plates, new shifter and knob, air lines for trans, clutch pedal and associated linkage, time to swap trans and reprogram ecm, time to cut holes in the cab for the linkage.
On the 387, the heater box needs to get moved out for access to the linkage. Also the shop I work at is in canada and we charge 140/hour.
The old auto trans should be good to sell for a couple grand to offset the costs. If you love the truck and want it done, it can happen.
Its better to find an identical truck in an manual and use that serial number to order parts. We used a truck that was a year apart and parts were different enough to cause setbacks
Convert auto to manual
Discussion in 'Peterbilt Forum' started by Pletch, Apr 7, 2014.
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@ pushbroom... I have a 2000 VNL 770, n-14 and eaton autoshit, with clutch pedal, shift tower with hole in floorboard. I want to either 1) eliminate the autoshit crap, using same transmission. or 2 convert to 10 speed, or a 13.
is the 1st option doable? what transmission should I look for for athe conversion parts??
eaton has told me that a rtx 10 speed model transmission would drop in- problem is I cant seem to locate one close,... or reasonably priced...... $3500 for a drop out with no recored history of what truck, mileage, etc is a bit too much....
suggestions??? much appreciated... thanks
JJL LLC -
maybe you will need the ecm switch to manuel mode.
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pushbroom I am almost done with my conversion one question I have is where does the bracket for the cable attach on the bottom side
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if its a 387 it bolts to the engine mount -
Last edited by a moderator: Jan 19, 2018
Reason for edit: Removed phone number -
Last edited by a moderator: Jan 19, 2018
Reason for edit: Removed phone number -
I know this is a old thread but I need help with speed sensor trouble on a vnl volvo we put a manual into
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