Peterbilt 378 Service Manual

Peterbilt 378 Service Manual

Format: Print

Are you tired of wasting time and money on costly repairs for your Peterbilt truck?  Say goodbye to endless frustration and hello to seamless maintenance with our comprehensive Peterbilt Service Manual!

Why Choose the Factory Manual?

Expertly Detailed: Crafted for Peterbilt technicians, our manual leaves no bolt unturned. Now you too can have the best!  From engine diagnostics to electrical systems, we’ve got you covered with step-by-step instructions and detailed diagrams.

Universal Applicability: Whether you’re a seasoned mechanic or a novice enthusiast, our manual caters to all skill levels.  Clear explanations and troubleshooting guides ensure anyone can tackle repairs with confidence.

Maximize Efficiency: Time is money in the trucking industry.  Our manual streamlines maintenance processes, reducing downtime and keeping your Peterbilt on the road where it belongs.

VIN Generated: We stay ahead of the curve, providing you with the latest information and techniques to keep pace with evolving technology and industry standards.  You provide the VIN, we’ll supply the perfect service manual

What’s Inside?

Comprehensive Maintenance Guides: From routine oil changes to yanking out the engine overhauls, we’ve got you covered.

Electrical System Diagrams: Navigate the intricacies of your Peterbilt’s electrical system with ease.

Diagnostic Procedures: Pinpoint issues quickly and accurately, saving valuable time and resources.

Troubleshooting Tips: Encounter a problem? Our manual offers practical solutions to get you back on the road in no time.

Why Wait?

Don’t let preventable breakdowns derail your operations.  Invest in the ultimate tool for Peterbilt owners and operators today!  With our Peterbilt Service Manual by your side, you’ll drive with confidence, knowing your truck is in top-notch condition at all times.

Experience the difference. Upgrade to peak performance with our Peterbilt Service Manual now!

Factory generated Peterbilt 378 service manual.  This is the same manual as used by factory technicians.  VIN number is needed when placing order. Place the 17 digit VIN on the “Order Notes” line located on the check out page when placing your order.

Note:  If your truck is over 30 years old please contact us prior to ordering, as some older manuals are no longer in print.  Contact e-mail: manuals@truckmanuals.com

Peterbilt 378

Peterbilt 378 Service Manual

Peterbilt 378 Service Manual Chapters

• Introduction
• Hubs, Wheels & Tires
• Front Axle
• Rear Axle
• Brakes
• Air System
• Main Transmission
• Auxiliary Transmission & Transfer Case
• Clutch
• Driveshaft
• Frame
• Cab
• Cooling System
• Engine Installation (Engine manual must be ordered separately)
• Instrumentation
• Electrical (fuses, relays, circuit index, wire diagrams, etc.)
• Steering
• Suspension
• Lubrication & Filters
• Miscellaneous
• Noise Control System
• HVAC System

Note: Fulfillment time from Peterbilt is approx. 60 days because these manuals are custom created to the VIN you supply when placing your order.

Peterbilt reserves the right to make changes without prior notice.