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RO #26308SHOP COPY

CAR MAINTENANCE SCHEDULE BUILDER

A service card the customer keeps is worth more than a lecture at the counter. Enter where the odometer is now and how the car is driven, and the sheet lists what falls due in the window ahead — with the mileage, the interval it came from, and room to hand it over.

SERVICE CARD

28 items due

Generic intervals, not a factory schedule. Always reconcile against the owner’s manual for the specific engine.

AtInServiceNote
100,0003,588Brake pads, by wearMeasured, not assumed — replace at the wear line.
100,0003,588Engine oil and filterConventional 3,000–5,000; blend 5,000–7,500; full synthetic 7,500–10,000. Follow the owner's manual.
100,0003,588Multi-point inspectionBrakes, tyres, fluids, lights, belts, hoses.
100,0003,588Tire rotation5,000–8,000 miles, or 5,000 or less on all-wheel and four-wheel drive.
105,0008,588Cabin air filterSooner in dusty or high-pollen regions.
105,0008,588Engine air filterAbout every 15,000 miles; sooner in dusty conditions.
105,0008,588Engine oil and filterConventional 3,000–5,000; blend 5,000–7,500; full synthetic 7,500–10,000. Follow the owner's manual.
105,0008,588Multi-point inspectionBrakes, tyres, fluids, lights, belts, hoses.
105,0008,588Tire rotation5,000–8,000 miles, or 5,000 or less on all-wheel and four-wheel drive.
110,00013,588Engine oil and filterConventional 3,000–5,000; blend 5,000–7,500; full synthetic 7,500–10,000. Follow the owner's manual.
110,00013,588Multi-point inspectionBrakes, tyres, fluids, lights, belts, hoses.
110,00013,588Tire rotation5,000–8,000 miles, or 5,000 or less on all-wheel and four-wheel drive.
115,00018,588Engine oil and filterConventional 3,000–5,000; blend 5,000–7,500; full synthetic 7,500–10,000. Follow the owner's manual.
115,00018,588Multi-point inspectionBrakes, tyres, fluids, lights, belts, hoses.
115,00018,588Tire rotation5,000–8,000 miles, or 5,000 or less on all-wheel and four-wheel drive.
120,00023,58830k service blockInspect or replace per the factory schedule.
120,00023,58860k service blockCoolant, spark plugs on many engines, drive belt.
120,00023,588Brake fluidBy moisture test, not only by mileage.
120,00023,588Cabin air filterSooner in dusty or high-pollen regions.
120,00023,588Engine air filterAbout every 15,000 miles; sooner in dusty conditions.
120,00023,588Engine oil and filterConventional 3,000–5,000; blend 5,000–7,500; full synthetic 7,500–10,000. Follow the owner's manual.
120,00023,588Multi-point inspectionBrakes, tyres, fluids, lights, belts, hoses.
120,00023,588Spark plugsCopper far sooner; iridium and platinum far later.
120,00023,588Tire rotation5,000–8,000 miles, or 5,000 or less on all-wheel and four-wheel drive.
120,00023,588Transmission fluid and filterInterval varies widely; sealed units still have one.
125,00028,588Engine oil and filterConventional 3,000–5,000; blend 5,000–7,500; full synthetic 7,500–10,000. Follow the owner's manual.
125,00028,588Multi-point inspectionBrakes, tyres, fluids, lights, belts, hoses.
125,00028,588Tire rotation5,000–8,000 miles, or 5,000 or less on all-wheel and four-wheel drive.

Reviewed with the customer

Signature ______________________

Items in the window

28

An instrument cluster with a blank odometer window beside a plain round service sticker
An instrument cluster and a windscreen service sticker — the two places a schedule is read from.

Why 30, 60 and 90

Most manufacturers publish inspection or replacement blocks at 30,000, 60,000 and 90,000 miles. It is a packaging convention as much as an engineering one — grouping inspections into blocks a service adviser can quote and a customer can plan for. The 30k block is mostly filters and inspection, 60k adds fluids and often plugs, and 90k is where the belt-driven engines meet their timing belt.

Severe duty is not a marketing category

Short trips that never bring the oil to temperature, stop-and-go traffic, towing, dust, and sustained extreme heat all shorten intervals — and between them they describe how a large share of cars are actually driven. Setting the sheet to severe duty pulls every interval to 75% of its normal figure, which is the conservative end of what manufacturers themselves publish for those conditions.

Time counts too

Oil degrades on a shelf as well as in an engine, and brake fluid absorbs moisture whether or not the car moves. A car driven 3,000 miles a year still needs its oil changed on the owner's-manual schedule, not on miles alone. The sheet works in miles because that is what an odometer shows; add the calendar reminder yourself for the low-mileage cars.

Turning the card into a quote

Once the customer agrees to a block, price it on the estimate calculator. The two items most often on a card are an oil change — a interval question before it is a price question — and a brake fluid flush. If the 90k block includes a timing belt, quote the water pump with it.

INTERVAL QUICK REFERENCE

Oil, general
every 5,000–7,500 miles
Oil, conventional
3,000–5,000 miles
Oil, full synthetic
7,500–10,000 miles
Tire rotation
every 5,000–8,000 miles or every six months
Tire rotation, AWD
every 5,000 miles or less
Engine air filter
about every 15,000 miles
Timing belt
usually every 70,000–90,000 miles

Generic intervals. The owner's manual for the specific engine always wins.

RELATED

SOURCES

Each line is where a figure on this page came from and the date it was read.

FigureSourceRead
General oil change intervalMavis — How Often Should You Get an Oil Change
Conventional and full-synthetic oil intervalsMavis — How Often Should You Get an Oil Change
Time-based interval on low-mileage carsKelley Blue Book — How Often Should I Change My Oil
Tire rotation interval, including all-wheel driveBridgestone — How Often to Rotate Tires
Engine air filter interval and the 30/60/90 blocksFarm Bureau — Scheduling Car Maintenance by Mileage
The 30/60/90 service-block conventionFarm Bureau — Scheduling Car Maintenance by Mileage
Timing belt replacement intervalAutoZone — Timing Belt Symptoms and Replacement Cost