A vehicle owner with a coolant leak at the heater core supply line connection on an older high-mileage truck needs to identify the leaking part and find a repair method that avoids replacing the expensive intake manifold, which he has never done before.

Existing solutions are either too expensive and complex (intake manifold replacement) or unreliable (RTV patch), and there is no easy way to access or replace just the gasket at the heater core connection without removing the entire intake manifold.

Severity

4High

Willingness to Pay

implied

Added

May 30, 2026

Workarounds Described

uses water as temporary coolant top-off
searched YouTube videos for repair info
considers using RTV sealant as a patch

Implied Software Gaps

A mobile app that provides vehicle-specific diagnostic flowcharts for coolant leaks
A software that suggests targeted gasket replacement without full intake manifold removal

App Concept

GasketReach Pro

A mobile app and parts database that helps DIYers and mechanics diagnose coolant leaks and find targeted repair procedures without unnecessary part replacements. It provides step-by-step guidance with 3D diagrams, suggests alternative repair methods (e.g., specialty gasket access tools), and lists compatible parts with pricing and availability from local auto parts stores.

Key Features

Vehicle-specific diagnostic flowcharts for common coolant leak points
Interactive 3D diagrams showing gasket access points
Parts lookup with cross-store pricing and availability
Step-by-step video guides for partial disassembly alternatives

Target Users: DIY vehicle owners and independent mechanics working on older high-mileage trucks and cars, especially those with limited budget and experience.

Revenue Model: Freemium model: free basic diagnostics and parts lookup; $9.99/month Pro tier for detailed repair guides and 3D diagrams; $4.99 per one-time repair guide.

Existing Solutions Mentioned

AutoZone intake manifold ($500)YouTube videosRTV sealant

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