3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Pinion bearing

Old 05-18-2010, 09:11 AM
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Exclamation Pinion bearing

I hve an 07 ram 2500 4x4 and the pinion bearing is going out
does anybody know of the bearing is pressed in?
Also Any tips n tricks would b appreciated
Old 05-18-2010, 10:21 AM
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The rear bearing closest to the gear is pressed on. You can take pinion to a machine shop and they can press on a new one. The races are pressed into housing but can be removed with a drift punch. You also need to replace nut and pinion seal with the new bearings. Before removing carrier mark adjusters so both sides can be put back to exact position or you will change backlash. You will also need a turning torque meter to set pinion bearing preload. If this is not done bearings will not last long if set to tight or to loose. Some mechanics have a natural feel for how tight but I always check to be sure.
DESCRIPTION SPECIFICATION
Axle Ratio 3.73, 4.10
Ring Gear Diameter 292 mm (11.5 in.)
Ring Gear Backlash 0.13 - 0.18 mm (0.005 - 0.007 in.)
Pinion Torque To Rotate - New Bearings 1.69 - 2.82 N·m (15 - 25 in. lbs.)
Pinion Torque To Rotate - Original Bearings 1 - 2 N·m (10 - 20 in. lbs.)
Total Torque to Rotate - New Bearing 3.4 - 5.6 N·m (30 - 50 in. lbs.)
Total Torque to Rotate - Original Bearing 2.8 - 5.1 N·m (25 - 45 in. lbs.)
Fill Level - From Bottom of Fill Hole 6 mm (1/4 in.) ± 6 mm (1
Old 05-18-2010, 11:50 AM
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