Truck Oil & Fluid Services in Chilliwack, BC

Diesel trucks and fleet vehicles are the backbone of the logistics industry. As such, ensuring the longevity and performance of these workhorses is paramount. Mountain Pacific Mechanical, situated in the beautiful city of Chilliwack, BC, is your go-to place for all your diesel truck and fleet needs, particularly for oil and fluid services.

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The Importance of Regular Oil Changes for Diesel Engines

Diesel engines, known for their durability and fuel efficiency, differ substantially from their gasoline counterparts. The heart of maintaining a diesel engine is regular oil changes.

  • Superior Engine Lubrication: Mountain Pacific Mechanical employs high-grade engine oils that significantly reduce friction among the moving components. Reduced friction means less wear and tear, thus extending the life of the engine.
  • Effective Heat Reduction: The oil serves as a cooling agent in diesel engines. It disperses heat generated by the combustion process, preventing overheating. Our top-notch oil selection provides an unmatched cooling capability, making sure your engine stays within safe operating temperatures.

Fluid Maintenance: The Lifeline for a High-Performance Fleet

Besides oil, other fluids are equally vital in ensuring your diesel truck operates at its peak. Here at Mountain Pacific Mechanical, we offer a comprehensive range of fluid services.

Transmission Fluid Service

One of the critical components of a diesel truck is its transmission. The transmission fluid must be kept at optimal levels and in good condition to ensure smooth gear changes and prevent undue strain on the engine. Our technicians are trained to handle manual and automatic transmissions, employing state-of-the-art diagnostic tools to detect any issues.

Power Steering Fluid Maintenance

The power steering system is essential for handling and maneuvering large vehicles like trucks. This system uses fluid to transmit pressure from the steering wheel to the steering gear, making turning easier. At Mountain Pacific Mechanical, we ensure your power steering fluid is clean and at the right level, which will reduce steering effort and minimize wear on your steering components.

Coolant/Antifreeze Service

Coolant, or antifreeze, plays a crucial role in a diesel engine by regulating the engine's temperature. A well-maintained cooling system prevents the engine from freezing in cold weather and overheating in warm weather. Our expert technicians ensure that your coolant is at the right level and free of contaminants, ensuring the longevity of your engine.

Differential Fluid Service

The differential is a component that allows the wheels of your truck to turn at different speeds. This is essential for smooth and safe turning. The differential fluid lubricates the gears and bearings in the differential, protecting them from wear. Our technicians will ensure your differential fluid is clean and at the proper level, preventing premature wear and costly repairs.

Why Choose Mountain Pacific Mechanical?

At Mountain Pacific Mechanical, we aim to provide top-tier services to keep your diesel trucks and fleet pristine. Our technicians are highly skilled and equipped with cutting-edge technology. We understand the importance of your time and ensure quick and efficient service without compromising on quality. For unmatched diesel truck and fleet oil and fluid services in Chilliwack, BC, look no further than Mountain Pacific Mechanical. Contact us today and ensure your fleet operates at peak performance.

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our repairs

Full-Service Light To Heavy-Duty Truck Repair Shop

Axle & Drivetrain Repair

At Mountain Pacific Mechanical, our team of certified experts understands axles' critical role in the performance and safety of your heavy-duty vehicles.

Brake Repair

Based in Chilliwack, BC, we take pride in offering unparalleled brake repair and maintenance services to ensure your vehicles remain in top-notch condition.

Coolant System Repair

Our experienced technicians use state-of-the-art equipment to diagnose and repair issues, preventing costly breakdowns and maximizing uptime.

Drivetrain Repair

We understand the importance of maintaining a diesel truck or an entire fleet's drivetrain to ensure optimal performance and minimal downtime.


Mountain Pacific Mechanical is your premier destination for expert EGR systems and DPF repair and maintenance services for diesel trucks and fleets.

Electrical Repair

We specialize in diagnosing and fixing various electrical issues, from simple wiring problems to complex electrical system failures.

Engine Diagnostics

Our specialized engine diagnostic services are designed to identify and address any issues that could potentially disrupt your operations.

Engine Repair, Rebuild & Conversion

We pride ourselves on offering specialized and comprehensive engine repair, rebuild, and engine conversion services for diesel trucks and fleets.

Exhaust System Repair

We understand the importance of a well-functioning exhaust system in maintaining the performance and efficiency of your diesel trucks and fleets.

Express Lube

Our trained and certified technicians ensure your trucks remain in top-notch condition to maximize uptime and performance.

HVAC System Repair

Our specialized HVAC system repair and maintenance services ensure your truck's heating, ventilation, and air conditioning systems work efficiently.

Oil & Fluid

Mountain Pacific Mechanical is your go-to place for all your diesel truck and fleet needs, particularly for oil and fluid services.

Performance ECM Tuning

When optimizing diesel trucks' and fleets' performance and efficiency, Mountain Pacific Mechanical is your one-stop solution in Chilliwack, BC.

Suspension Repair

Our trained experts are committed to providing exceptional service and support, utilizing the latest technology and techniques.

Transmission & Clutch Repair

When it comes to the performance of your diesel trucks and fleet, ensuring that the transmission and clutch are in top condition is paramount.

Truck & Trailer Alignment

At Mountain Pacific Mechanical in Chilliwack, BC, we understand the importance of maintaining your diesel truck or fleet's peak performance.