Special Tools
J 7872 Magnetic Base Dial Indicator Set
For equivalent regional tools, refer to
Special Tools.
- Clean all bolts and bolt holes of threadlocking material.
- Clean the components in solvent.
Warning: Wear safety glasses in order to avoid eye damage.
- Dry the following components with compressed air.
- Inspect the hub for the following conditions:
• | Damaged bolt hole threads (1) |
• | Damaged snap ring grooves (2) |
• | Worn or scored surface (4) |
• | Worn or damaged bushing |
- Inspect the couplings for the following conditions:
• | Loose or damaged inserts (1) |
• | Worn, cracking, or deteriorated rubber (2) |
• | MINOR cracking of the rubber is normal and acceptable. If the cracks expose any frayed fabric or internal windings, replace the coupling. |
- Inspect the propeller shaft for the following conditions:
- Inspect the propeller shaft pins for proper installation. The pin should extend beyond the flange
30 mm (1.18 in).
- Measure the propeller shaft runout.
8.1. | Mount the propeller shaft in wooden V-blocks or between centers on a fixture. |
8.2. | Using the
J 7872 dial indicator
, inspect the propeller shaft for run out in multiple locations, including the barrel ends. |
8.3. | If propeller shaft runout exceeds
0.3 mm (0.118 in), the propeller shaft is bent and should be replaced. |
- Inspect the snubber - manual transmission - for wear or a flat spot on the outer edge.
- Inspect the runout of the snubber.
If the runout of the outer edge of the snubber exceeds
2 mm (0.79 in), replace the propeller shaft.
- Inspect the bearing housing hub for the following conditions:
• | Damaged bolt hole threads (1) |
• | Damaged snap ring grooves (2) |
• | Worn or damaged splines (3) |
• | Worn or damaged bushings |
• | Bushings that have been removed from the hub will be damaged and should not be reused. Install NEW bushings during assembly. |
- Inspect the flex plate spindle - automatic transmission, for the following conditions:
• | Damaged bolt hole threads (1) |
• | Damaged snap ring grooves (2) |
• | Worn or damaged splines (3) |
- Inspect the input hub - automatic transmission, for the following conditions:
• | Worn or damaged splines (1) |
• | Damaged bolt hole threads (2) |
- Inspect the bearing housing for the following conditions:
• | Damaged O-ring or snap ring grooves (1-2) |
• | Worn or scored bearing bores |
- Inspect the bearings for the following conditions:
• | Excessive wear or roughness of operation |
• | Bearings should rotate freely with no coarseness or rough feel |
- Inspect for bent or broken snap rings (1) and replace, as required.
- Inspect the driveline tube for the following conditions:
• | Damaged bolt hole threads |
• | Damaged front O-ring groove |
• | Worn or scored front bearing bore |
• | Missing or damaged bellhousing dowel pins |
• | Damage to the exterior of the tube |