CLIENT DETAILS
The Challenge
Recurring crank seizure in Tata 3L diesel engines across specific commercial vehicle models.
Symptoms included abnormal engine noise, engine seizure during operation, and complete engine lock.
Issues led to increased warranty claims, significant vehicle downtime, customer dissatisfaction, and reputation risk.
Client: Tata Motors Ltd.
Location: India
Category: Crank Seizure Resolution
The Solution
Launched a technical campaign for thorough inspection of all affected and suspect vehicles under extended warranty.
Conducted engine strip-downs, crankshaft inspections, and replaced components with upgraded parts.
Implemented oil circulation checks, replaced oil with Tata-recommended grade, and ensured torque specs during reassembly.
Updated ECU firmware where needed and conducted technician training on crankshaft alignment and lubrication paths with Tata Motors experts.
The Result
Achieved zero warranty complaints post rectification, increased engine reliability, and strengthened OEM-dealer trust. Fleet partners rated service quality at 4.8/5 based on surveys.
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