# Diesel Engine Services Overview for Upland Truck Owners > New to our diesel shop in Upland? What to tell us at intake, which trucks we handle, how testing and written estimates work, and what we will not do. Source: https://route66autorepairshop.com/diesel-engine-services/diesel-engine-services-overview Updated: 2026-09-17 Business: Route 66 Auto Repair, 1775 W Foothill Blvd, Upland, CA 91786, (909) 608-7699 Hours: Monday to Friday 8 AM–5 PM, Saturday 8 AM–2 PM, Sunday closed **TLDR:** A first diesel visit covers a **detailed intake**, a stated diagnostic fee, testing and a **written estimate** marked need-now or need-later. This overview explains how a first diesel visit at Route 66 Auto Repair in Upland works, from the phone call to the road test. We service light and medium-duty diesel pickups and vans, and our ASE-certified technicians test before they recommend parts. If you are comparing shops or bringing a truck in for the first time, this page tells you what to bring, what we ask and what you get in writing. ## What happens when you drop off a diesel? At the counter we write your description in your words, confirm your contact number for texts, and decide with you whether you will wait or leave the truck. The service writer states the diagnostic fee before testing begins. It applies to approved related repair. Arriving after hours? Use the after-hours key drop and leave a note with the symptom and the best number to reach you. Tow-ins are welcome during business hours; call [(909) 608-7699](tel:+19096087699) first so we can plan space. ## How does a first diesel visit move through the shop? 1. **Intake notes:** Your symptom, usage and history go on the repair order before anyone picks up a tool. 2. **Testing:** A technician scans every module and runs the tests the symptom calls for, starting with the least invasive. 3. **Call with findings:** The service writer calls or texts with what we found, photos where useful, and a written estimate. 4. **Your decision:** You approve, decline or schedule each line. Declined items stay on the repair order for your records. 5. **Repair and road test:** Approved work is completed to spec, checked, and road tested before pickup. ## What's included in every diesel visit - Recorded symptom and usage notes - Diagnostic fee stated before testing - Scan of all modules on the truck - Written estimate before any repair - Need-now and need-later labels on each line - Quality check and road test after repair ## Which diesel jobs fit our shop? Most diesel work on pickups and vans fits comfortably: [diesel engine diagnostics](https://route66autorepairshop.com/diesel-engine-services/diesel-engine-diagnostics), fuel and air filters, glow plugs, injectors, turbo and boost repairs, gaskets, cooling repairs and scheduled maintenance. We do not offer emissions equipment removal, performance programming or state emissions inspections, and we will tell you that on the first call rather than after you arrive. ## How do we sort need-now from need-later on a diesel? **Need now:** - Anything that can leave you stranded on a grade, such as a failing lift pump - Leaks of fuel, coolant or oil onto hot parts - Warnings that cut engine power **Need later:** - Seepage that is not dripping yet - Maintenance items a few hundred miles from due - Worn but working parts we will recheck at your next visit ## How are diesel prices and timing set? Pricing follows the written estimate: parts, labor at book time, and any shop supplies listed line by line. Phone numbers are ranges until the truck is inspected. Simple services can be same-day when the board allows; call before you drive over. AAA members save 10% on parts and labor, up to $75, when they show the card at time of service. ## What happens after your first visit? Next time, we compare new readings against your first repair order, which makes slow changes easier to catch. Our [diesel oil change](https://route66autorepairshop.com/diesel-engine-services/diesel-oil-change) visit is a good time to recheck anything we marked need-later, and our [diesel truck owners page](https://route66autorepairshop.com/audiences-and-use-cases/diesel-truck-owners) explains longer-term planning. ## Frequently asked questions ### Do I need an appointment for diesel work? An appointment holds a look window for you. Same-day work is possible when the board allows, so call before you drive over. ### Can I bring my own diesel parts? Yes, we will inspect them first. There is no warranty on customer-supplied parts, and labor is charged at book time. If a part looks wrong for your engine, we tell you before installing it. ### Should I wait or leave the truck? Oil and filter services often suit a wait. Diagnosis and most repairs work better as a drop-off. We decide together at intake, based on the job and how full the board is that day. --- Call (909) 608-7699 or visit https://route66autorepairshop.com/contact for a written estimate.