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Routine Maintenance Solutions
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Brake & Safety System Checks
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Engine & Transmission Servicing
Truck Maintenance
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Spanner Truck Repair > Truck Maintenance
Truck Maintenance
Reliable Truck Maintenance Service in California
Regular truck and diesel vehicle maintenance is crucial for maximizing performance, reducing breakdowns, and extending the life of your fleet. Spanner's maintenance services specialize in preventative maintenance, roadside assistance, and keeping your heavy-duty commercial vehicles road-ready.
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Heavy-Duty Diesel Truck Repair and Maintenance
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Predictive Maintenance Scheduling
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Routine Maintenance across California
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Scheduled Preventive Maintenance and Repair Services
Routine mobile maintenance for your truck or fleet includes oil changes, filter replacements, and inspections to reduce costly repairs and breakdowns.
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Truck and Trailer Brake, Suspension Checkups
We provide comprehensive brake and suspension service for heavy-duty trucks, trailers, fleets ensuring safe operation across California’s roads.
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Semi Truck Engine and Transmission Service
Our mobile diesel mechanics perform diagnostics, tune-ups, and fluid checks to keep your diesel engine and transmission running smoothly.
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Heavy-Duty Truck Tire and Wheel Maintenance
From tire rotation and alignment to tread checks, we help improve fuel efficiency, safety, and overall performance of your commercial truck fleet.

Our Commercial Truck Maintenance Service - Overview
Our semi truck and trailer repair services are designed to keep your fleet running reliably with on-site inspections, mobile truck repair services, and preventive care. We help reduce downtime, prevent costly truck breakdowns, and extend the life of your heavy-duty diesel vehicles serving fleets across California with expert repair and maintenance services.
Prevent Problems. Protect Performance.
Simple Steps to Begin Your Truck and Fleet Maintenance Service
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01
Schedule Your Repair and Maintenance Service
Book your truck and trailer maintenance easily by phone or online. We offer flexible scheduling to suit your fleet operations across California.
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02
Initial Inspection by Expert Diesel Technicians
Our certified mobile diesel mechanic performs a thorough on-site inspection to assess your truck’s condition and repair needs.
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Complete Truck Repair & Maintenance
From oil changes and brake checks to diesel engine diagnostics, we deliver heavy-duty repair and maintenance solutions tailored to your truck or fleet.
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Final Report & Expert Recommendations
After servicing, we provide a detailed report, plus recommendations for future mobile maintenance or repair services to keep your trucks on the road.