Overview
The ZF 0630.004.072 SHIM RING is a precision-engineered adjustment component designed specifically for the WG 65 Series transmission family. This OEM genuine part functions as a critical spacer within the planetary gearset assembly, ensuring correct axial clearance and load distribution between rotating elements. By maintaining precise end-play tolerances, the shim ring prevents metal-to-metal contact and supports optimal gear mesh alignment. The SKU 0630.004.072 is manufactured to ZF’s exacting specifications, guaranteeing dimensional stability under high-torque conditions. When installed alongside the 4616101059: TRANSMISSION HOUSING, this shim ring helps maintain structural integrity throughout the transmission’s service life.
Symptoms of Failure
- Audible gear whine or grinding noise during acceleration: A worn 0630.004.072 shim ring allows excessive axial movement, causing gear teeth to contact improperly and generate metallic sounds under load.
- Intermittent gear slipping or delayed engagement: When the shim ring loses its calibrated thickness, clutch pack clearances shift, leading to inconsistent hydraulic pressure and slipping between shifts.
- Transmission oil leaks near the housing joint: A deformed shim ring can distort the sealing surface, compromising the 0634313118: O-RING and allowing fluid to escape around the housing interface.
- Vibration or shudder during low-speed operation: Uneven wear on the shim ring creates micro-movements in the planetary carrier, transmitting vibration through the driveline at specific RPM ranges.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0630.004.072 |
| Type | Shim Ring / Adjustment Washer |
| Material | Case-hardened steel (DIN 1.7131) |
| Inner Diameter | 72.0 mm |
| Outer Diameter | 90.0 mm |
| Thickness | 0.50 mm (selective fit) |
| Weight | 0.018 kg |
| Surface Finish | Ground, deburred edges |
| OEM Reference | ZF 0630.004.072 |
Compatibility
This shim ring is primarily designed for the ZF WG 65 Series, including models WG65, WG80, and WG100. It also fits select WG120 and WG150 transmissions produced after 2005, where planetary gearset axial adjustment is required. For proper installation, always verify clearance using the 0631306085: CYLINDRICAL PIN alignment tool and secure the assembly with 0636011038: HEXAGON SCREW fasteners. Additional mounting hardware includes 0636011118: HEXAGON SCREW and 0636016015: HEXAGON SCREW for housing attachment. Do not substitute with non-OEM shims, as thickness variations directly affect clutch pack timing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101059 | TRANSMISSION HOUSING | Main structural casing for gearset assembly |
| 0636011038 | HEXAGON SCREW | M8 fastener for housing-to-bellhousing joint |
| 0636011118 | HEXAGON SCREW | M10 bolt for planetary carrier retention |
| 0636016015 | HEXAGON SCREW | M12 stud for output flange mounting |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for housing centering |
| 0634313118 | O-RING | Static seal between housing sections |
| 0636304019 | SCREW PLUG | Oil drain port closure |
| 0634801152 | SEALING RING | Copper crush washer for plug sealing |
| 0732611049 | FILTER INSERT | Internal oil strainer for valve body |
| 0634303718 | O-RING | Piston seal for clutch drum |
