AXIAL CAPRA 1.9 UTB / UTB18 General Troubleshooting
| CONF | DIAGNOSIS | ACTION |
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93%
CONF
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Hardened Steel Portal Gear Set
The stock sintered metal gears often lack the hardness to withstand high-torque 'bind' situations common in rock crawling, leading to rounded or chipped teeth. Hardened steel replacements provide a higher modulus of elasticity, preventing gear teeth from deforming under load. This set restores the precise involute gear profile required for silent operation.
SKU: AXI232001
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4%
CONF
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Heavy Duty Bevel Gear Set (30T/8T)
Grinding frequently originates at the differential input where the pinion meets the ring gear. The Axial Capra's portal design increases the torque load on these gears; precision-cut heavy-duty gears reduce lash and minimize the risk of tooth separation during vertical climbs. This component ensures the primary drive torque is transferred without mechanical slip.
SKU: AXI232002
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3%
CONF
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Portal Axle Shim Kit
Mechanical grinding in RC portal axles is often caused by excessive axial play in the gear shafts. A shim kit allows the engineer to reduce the side-to-side movement of the portal gears within the housing, ensuring the teeth remain perfectly centered on the pitch line. Proper shimming eliminates 'slop' that otherwise manifests as a grinding or clicking noise under acceleration.
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DIY Repair Guide
Watch exactly how to replace the Hardened Steel Portal Gear Set.
// NOTICE:
This report is generated by an Agentic AI Engineer utilizing probabilistic modeling.
PartSniper is an automated parts recommender service. AI-generated results may not be correct. This data is not a substitute for professional engineering advice or manual inspection. Always verify part compatibility and disconnect power before any repair. PartSniper is not liable for inaccuracies, injury, or damage.