After replacing the power steering pump, the steering is still very hard at low speeds once the fluid warms up, making turning at a dead stop require significant effort.

Existing troubleshooting guides and forums don't provide a clear diagnostic path for dual Sheppard steering boxes with heat-related loss of assist, leading to trial-and-error replacement of parts.

Severity

4High

Willingness to Pay

implied

Added

May 22, 2026

Workarounds Described

trial-and-error replacement of power steering pump
posts on Reddit for advice

Implied Software Gaps

Diagnostic software that predicts steering component failure based on temperature and usage patterns
Centralized knowledge base for troubleshooting dual steering box issues

App Concept

SteerAssist Diagnostic

A fleet maintenance app that guides technicians through diagnosing complex hydraulic steering issues, particularly for heavy trucks with dual steering boxes. It uses symptom trees, fluid temperature data, and model-specific service bulletins to pinpoint failing components (e.g., steering box, hoses, or filter) without guesswork.

Key Features

Step-by-step diagnostic flow for dual steering box systems
Integration with OBD-II and hydraulic temperature sensors
Access to manufacturer service bulletins and recall info
Logging of repairs and part replacements for fleet records

Target Users: Owner-operators and fleet maintenance technicians in the trucking industry who maintain heavy-duty trucks with complex steering systems

Revenue Model: $19.99/month per user subscription or $199/yearly fleet license for up to 5 users

Existing Solutions Mentioned

replaced power steering pump

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