Pinion Depth

NOTE: Pinion depth measurement is taken with the pinion head and tail bearing cups pressed into the axle housing without the shim.

Fig 1: Pinion Bearing Cup Installer 10148

Courtesy of CHRYSLER LLC

NOTE: Do not attempt to install the inner and outer pinion bearing cups at the same time.

If necessary, install the pinion head bearing cup into housing with Pinion Bearing Cup Installer 10148 (1).
If necessary, press pinion tail bearing cup into housing with Pinion Bearing Cup Installer 10148 (1).

Fig 2: Arbor Bar 10149-2
Courtesy of CHRYSLER LLC
Install Arbor Bar 10149-2 (1) into the case side bearing bore, then secure Arbor 10149-2 in place with Plate 10149-5 and fastener.

Fig 3: Pinion Head Bearing
Courtesy of CHRYSLER LLC
Install the pinion head bearing, tail bearing (3), L-block 6739 (1), and the Pinion Height Block 10149-1 (2).
Verify pinion depth measurement tools are set up as shown in Fig 3.

Fig 4: Indicator/Scooter Block Setup
Courtesy of CHRYSLER LLC
Install Dial Indicator 9524 (1) to Scooter Block D-115-2A (2) (from Pinion Gage Set 6730). Secure with set-screw (3).

Fig 5: Dial Indicator 9524 To Scooter Block D-115-2A
Courtesy of CHRYSLER LLC
Zero Dial Indicator 9524 (1) on L-block 6739 (2).

Fig 6: Slide Indicator Probe Off Of Height Block And Onto Arbor Bar 10149-2
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Slide indicator probe (1) off of height block and onto Arbor Bar 10149-2 (2). As indicator contacts Arbor Bar 10149-2 (2), indicator needle will rotate clockwise. Continue moving indicator probe to the crest of Arbor Bar 10149-2 and record the highest reading.
Rotate Arbor Bar 10149-2 (2) 90°.
Repeat steps 7 through 9 and record each measurement until the Arbor Bar 10149-2 has been rotated back to the original location.
Average the four measurements taken in steps 7 through 10.
Select a shim equal to the average of the measurements, plus 1.5 mm (0.059 in.).