Description

Daimler Trucks North America Coronado 122, Coronado 122SD, Coronado SD, Coronado 132 2012 Service Manual

If you own one of these Coronado models and you’re trying to keep it on the road without burning billable hours guessing at torque specs, you already know the frustration. This 2012 Service Manual from Daimler Trucks North America is the factory-issued documentation for the Coronado 122, Coronado 122SD, Coronado SD, Coronado 132. It’s 130 pages of scheduled maintenance procedures, not a full overhaul guide. But if you skip the maintenance intervals in this book, you’ll be doing overhauls sooner than you planned.

What This Coronado Maintenance Manual Actually Covers

This manual is strictly about keeping your Coronado running between major service events. It covers pre-trip and post-trip inspections, daily/weekly/monthly checks, and scheduled maintenance at specific mileage or hour intervals. Page 2 lists the exact models: Coronado 122, Coronado 122SD, Coronado SD, and Coronado 132. The foreword on page 3 states that descriptions and specifications were in effect at the time of printing – meaning you’re getting factory data, not aftermarket approximations. Engine, transmission, and rear axle overhauls live in separate component manuals. That’s intentional; Daimler Trucks doesn’t mix oil and water.

Scheduled Maintenance Intervals – The Reason You Buy a Factory Manual

Generic maintenance schedules from third-party vendors are guesses. This manual gives you the actual intervals Daimler Trucks North America designed the truck around. You’ll find the scheduled operations for lube, fluid changes, filter replacements, and critical safety inspections. The manual emphasizes that the operations are not all-inclusive – you also need to follow the driver’s manual for pre-trip checks. But the factory intervals here are non-negotiable if you want warranty protection and reliable operation. Missing a grease point at 50,000 miles because a generic chart said 60,000 is a failure waiting to happen.

Parts Replacement: Why Used Parts Are Not an Option

Page 3 carries a direct warning: do not replace suspension, axle, or steering parts with used parts. Used parts may have hidden structural damage from collisions or improper use. This is not CYA lawyer talk – it’s experience. I’ve seen a used spring let go on a Coronado SD during a lane change. The factory manual is telling you to spend the money on new parts. For DIYers, this is the kind of hard rule that keeps you and the truck alive. The manual also directs you to reclaim and recycle discarded materials, but that’s secondary to safety.

Using This Manual with the Coronado Workshop Manual (Section 00.02)

This maintenance manual refers you to the Coronado Workshop Manual, Section 00.02, for a listing of OEM websites for component manufacturers. That’s where you find the detailed wiring diagrams, engine overhaul specs, and transmission rebuild data. If you’re doing a clutch job, you’ll need the Manual Transmission manufacturer’s manual for tolerances. The maintenance manual covers the lube intervals for the transmission, but not the rebuild. Understand that boundary, or you’ll end up with a half-finished job and no torque spec for the clutch housing bolts.

Torque Specs and Fluid Capacities – Where to Find Them

This manual includes torque values for scheduled maintenance items: wheel nuts, oil drain plugs, filter caps, and similar fasteners that get loosened during oil changes and inspections. Page 3 reminds you that specifications are subject to revision without notice – so always check the latest edition. For major component torque values (head bolts, rod caps, etc.), you need the separate component manuals. The Manual Transmission has its own spec sheet. Don’t mix them up. I’ve seen a Coronado 132 come in with a stripped oil pan thread because someone used an aftermarket chart that listed the wrong ft-lb.

Related Manuals

• Daimler Trucks 2010 Service Manual: XCL-XCR-XCP-XCS-MC
• Freightliner Heavy Duty Trucks 2008 Service Manual
• Sterling Bullet Owner’s Manual

Is this the same as the workshop manual?

No. This is a maintenance manual, not a full workshop manual.

What torque specs are included?

This 2012 service manual includes torque values for scheduled maintenance items like wheel nuts, oil drain plugs, and filter caps. For engine head bolts, transmission fasteners, or axle nuts, you need the component-specific manuals. The foreword on page 3 states that specifications were in effect at printing – always cross-reference with the latest component manual. That’s how you avoid stripped threads and warranty denials. The manual does not list every fastener torque in the truck; it focuses on what you touch during scheduled service.

Can I use this for a 2013 Coronado?

It covers 2012 models. A 2013 may have updates not reflected here. Check the publication number STI-494-6 for applicability.

Does this manual include wiring diagrams?

No. Wiring diagrams are in the Coronado Workshop Manual, Section 00.02, referenced in this maintenance manual.

If you want to keep your Coronado on the road without unnecessary downtime, access the factory manual from AutoRepairManuals.