Dodge Ram Truck 1500-2500-3500. Manual — part 1521
13. Position first Jaw 6451 (1) on countershaft front
bearing and seat puller flange in notch of puller
jaw.
14. Install second Jaw 6451 on bearing and in notch
of puller flange. Slide Collar 6444-8 (2) over puller
jaws.
15. Install puller bridge and bolt assembly 6444 on
puller bolts and install retaining nuts. Tighten
puller bolt to remove bearing from shaft. Tap end
of puller bolt with mallet to help loosen bearing.
GEAR CASE
1. Remove countershaft front bearing cap (2) with
hammer (1).
2. Remove
countershaft
front
bearing
cup
with
Remover 6454 (1) and Handle C-4171(2).
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MANUAL TRANSMISSION - NV4500 - SERVICE INFORMATION
DR/DH
3. Remove roll pin that secures shift lug (4) on shift
rail (5) in case. A small pin punch (1) can be mod-
ified (2) by putting a slight bend in it to drive pin
completely out of shift rail.
4. Remove shift lug rail.
MAINSHAFT
NOTE: Gear and synchro components can be
installed backwards. Paint or scribe gear and syn-
chro components for installation reference. Then
stack geartrain parts in order of removal.
1. Remove drive gear thrust bearing from end of
mainshaft, if not previously removed.
2. Place 3-4 gear in a press with support under 3rd
gear and Remove 3-4 synchro hub (3), third gear
stop ring (2) and third gear (1) as an assembly.
DR/DH
MANUAL TRANSMISSION - NV4500 - SERVICE INFORMATION
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3. Remove third gear bearing (1) from mainshaft.
4. Remove third gear bearing spacer (3).
5. Remove second gear thrust washer snap ring (2)
from mainshaft
6. Remove second gear (1) thrust washer (2). Note
washer notch for locating pin.
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DR/DH
7. Remove thrust washer locating pin (1) with needle
nose pliers.
8. Remove second gear (1).
9. Remove second gear bearing (1).
DR/DH
MANUAL TRANSMISSION - NV4500 - SERVICE INFORMATION
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