RAM 50 4WD L4-143 2.3L DSL Turbo VIN J FI (1983)
Pinion Gear: Adjustments
1. Press front and rear bearing outer races into gear carrier using a press or a hammer and a suitable drift. Ensure outer race makes full contact with
gear carrier and does not tilt during installation.
2. Attach spacer, washer and nut to tool No. MB990819 or equivalent, then install front and rear drive pinion bearings into gear carrier. Tighten nut
on installation tool until front and rear bearing preload is 6-9 inch lbs. on 1984-85 models or 3.5-4.3 inch lbs on 1986-88 models, without oil seal.
Apply a suitable lubricant to washer during installation.
Fig. 16 Installed position of tool for checking drive pinion height
3. Install drive pinion bearings and tools from kit C-4626, into gear carrier according to tool manufacturer's instructions. Gradually tighten tool
adjusting nut, until front and rear bearing preload is 6-9 inch lbs. on 1984-85 models or 3.5-4.3 inch lbs on 1986-88 models.
Fig. 17 Positioning tool in side bearing seat
Fig. 18 Drive pinion height selective shim chart
4. On all models, mount tool MB990552 or equivalent, in gear carrier side bearing seat, then select a suitable shim from chart, which corresponds to
clearance between tools C-4626 and MB990552 or equivalents on. When installing tool MB990552, ensure side bearing seat is clean and cut out
portion of tool is positioned as shown.