Car preventive maintenance schedule (PMS) guide for Filipino car owners
Complete Car Maintenance Schedule Breakdown
5,000 km or 6-Month Basic Oil Change Service
Protect internal engine components. This fundamental service involves draining old, degraded engine oil and replacing the oil filter. If you use conventional mineral oil, 5,000 km is the hard limit. Mechanics will also top up windshield washer fluids, check tire pressures, and inspect underchassis bolts for looseness caused by rough road conditions.
10,000 km or 1-Year Intermediate PMS Check
Maintain engine airflow and cabin hygiene. During a 10,000 km service, fully synthetic oil is replaced, and the engine air filter and cabin A/C filter are swapped out. Tires should undergo 4-wheel rotation to ensure even tread wear, and the brake calipers are cleaned and lubricated to prevent sticking.
20,000 km Major PMS and Brake Fluid Replacement
Flushes, rotations, and alignment checks. At the 20,000 km mark, fresh brake fluid is flushed through the lines to remove trapped moisture that lowers boiling points. Spark plugs (for non-iridium variants) are inspected or replaced, and a complete wheel alignment is performed to fix steering drift.
40,000 km Comprehensive Service and Transmission Fluid
Complete mechanical overhaul of vital fluids. The 40,000 km PMS is the most critical milestone for any car. You must drain and replace the Automatic Transmission Fluid (ATF) or Continuously Variable Transmission Fluid (CVTF), engine coolant, power steering fluid, and fuel filter. Iridium spark plugs and drive belts should also be replaced.
| Mileage Interval | Key Maintenance Tasks | Recommended Fluid Types |
| 5,000 km / 6 Months | Mineral Oil change, Oil Filter, Tire Pressure Check | Mineral or Semi-Synthetic Oil |
| 10,000 km / 1 Year | Fully Synthetic Oil, Air Filter, Cabin Filter, Tire Rotation | Fully Synthetic 0W-20 / 5W-30 |
| 20,000 km / 2 Years | Synthetic Oil, Brake Fluid Flush, Spark Plugs, Wheel Alignment | DOT 3 or DOT 4 Brake Fluid |
| 40,000 km / 4 Years | Transmission Fluid (ATF/CVTF), Coolant Flush, Fuel Filter | OEM-Specific CVTF / ATF |
EXPERT TIP
Metro Manila's extreme stop-and-go traffic is officially classified as 'Severe Driving Conditions' in your car owner's manual. Engine hours accumulate rapidly while sitting in gridlock even if your odometer isn't moving, so always follow the time-based interval (e.g., every 6 months) rather than waiting strictly for the mileage number.
COMMON MISTAKE
Never use generic multi-vehicle transmission fluid for modern CVT gearboxes. Always insist on using the exact OEM-recommended CVTF specified by your car manufacturer (like Toyota FE or Honda HCF-2); using the wrong fluid will destroy your transmission within months.
Adhering to a disciplined Preventive Maintenance Schedule is the cheapest insurance policy you can buy for your car. By replacing fluids and wear-and-tear components on schedule, you guarantee a safe, fuel-efficient daily drive.
FAQs
Q1: How often should I change my car's engine oil in the Philippines?
Change your oil every 5,000 km (for mineral oil) or every 10,000 km (for fully synthetic oil), or at least once every 6 months—whichever comes first.
Q2: What is PMS in car maintenance?
PMS stands for Preventive Maintenance Schedule, a routine checklist of inspections, fluid flushes, and part replacements designed to prevent mechanical breakdowns.
Q3: When should CVT transmission fluid be changed?
CVT fluid should strictly be replaced every 40,000 km or every 2 to 3 years to avoid gear slipping and catastrophic transmission failure.
Q4: How often should I rotate my car tires?
Tires should be rotated every 10,000 km to ensure even tread wear across all four wheels.
Q5: Why is my car A/C not cooling even after a PMS?
A clogged cabin air filter or dirty evaporator coils usually restrict airflow; cabin filters should be replaced every 10,000 km.
Q6: What happens if I skip a 10,000 km PMS while under warranty?
Skipping scheduled PMS services at an authorized dealership (casa) during the warranty period will void your official manufacturer warranty.
Q7: Is fully synthetic oil worth the extra money?
Yes, fully synthetic oil breaks down much slower under extreme heat, provides superior engine protection, and allows for extended 10,000 km service intervals.
Q8: When should brake pads be replaced?
Brake pads typically last 20,000 km to 40,000 km depending on driving habits, but they should be replaced immediately if the friction material wears down below 3 mm.
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