From grimoire
Inspects vehicle fluids (engine oil, coolant, brake, power steering, transmission, washer) for level and condition to catch leaks and degradation early.
How this skill is triggered — by the user, by Claude, or both
Slash command
/grimoire:run-fluid-inspection-checklistThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Inspect all vehicle fluids systematically — checking level and condition for each system — to identify leaks, contamination, and degradation before they cause mechanical failure.
Inspect all vehicle fluids systematically — checking level and condition for each system — to identify leaks, contamination, and degradation before they cause mechanical failure.
Adopted by: SAE International and automotive OEM owner's manuals mandate fluid checks as the cornerstone of preventive maintenance. AAA recommends monthly fluid checks; all major service chains (Jiffy Lube, Valvoline) base their service intervals on fluid inspection findings. Rental car companies and fleet operators run fluid checks at every fuel stop. Impact: Engine oil starvation (running 2+ quarts low) is the leading cause of catastrophic engine failure — a $5,000–$15,000 repair from a $0 inspection. Contaminated coolant causes corrosion and overheating; degraded brake fluid absorbs moisture, reducing boiling point and brake effectiveness. The majority of preventable mechanical failures have fluid condition or level as a contributing cause.
When to check: engine cold (off for 10+ min) for accurate dipstick reading.
Level check:
Condition check:
Change interval: consult owner's manual; modern synthetic oil is typically 7,500–10,000 miles; older conventional oil 3,000–5,000 miles. Never exceed manufacturer interval.
When to check: engine cold — never open the radiator cap on a hot engine (pressurized; scalding coolant will eject).
Level: check the plastic overflow reservoir (labeled COOLANT or with a snowflake icon) — should be between MIN/MAX lines.
Condition:
Level: check the translucent reservoir on the master cylinder (driver's side, near firewall); should be between MIN/MAX. Low level indicates either normal pad wear (pads push pistons back, drawing fluid) or a leak.
If low: inspect brake pads — if pads are worn down, topping up fluid masks wear that requires pad replacement. If pads are thick and fluid is low = leak; do not drive until inspected.
Condition:
Level: check dipstick or MIN/MAX marks on the reservoir (varies by make; consult owner's manual for location)
Condition: should be clear or light pink/red; dark brown or burnt smell = degraded; replace. Foamy fluid = air in the system; inspect for low level and leaks.
Change interval: every 50,000–75,000 miles or as directed by manufacturer.
Level (for vehicles with a dipstick — not all do):
Condition: burnt smell is the clearest sign of degradation; modern sealed transmissions (many post-2010 vehicles) have no dipstick — service only by dealership or shop with specific equipment.
Change interval: 30,000–60,000 miles for conventional; some OEMs claim lifetime fluid (industry-disputed; most technicians recommend 60,000–100,000 miles).
Level: check clear reservoir under hood; top off with premixed washer fluid (not plain water — plain water freezes and leaves mineral deposits on glass and nozzles).
Do not substitute glass cleaner (Windex) — it damages paintwork and may leave streaks.
Log: date, mileage, all fluid levels/conditions. Flag any abnormal findings for investigation. Compare level readings month-over-month to detect slow leaks.
A monthly 10-minute inspection catches 90% of preventable fluid-related failures before they become roadside breakdowns.
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