Timing Belt Replacement in San Mateo, CA
At the manufacturer's interval, before it snaps. Belt + tensioners + idlers + water pump replaced together — same labor, twice the lifespan.
A timing belt failure on an interference engine is the most expensive thing that can happen to your engine short of running it without oil. The belt costs $30. The valve job that follows a snapped belt costs $3,000+. Beacon Auto Care in San Mateo replaces timing belts at the manufacturer's interval — belt, tensioners, idler pulleys, and water pump together so the job's done for the next 90k miles.
Modern BMWs run timing chains, not belts — but high-mileage chain work is in the same family of "open the engine, replace what's wearing." A recent BMW inline-6 came in for valve cover gasket replacement at 95k. We pulled the cover, found the chain still healthy, replaced the gasket and the cam phaser solenoid seals while everything was open. Same principle: do the work once with the engine open, not twice.
When to Replace
- 90,000 miles — Honda, Acura (most pre-2018)
- 105,000 miles — Toyota, Lexus (most pre-2010 V6)
- 105,000–110,000 miles — Subaru (most pre-2013)
- 110,000 miles — Hyundai, Kia, Audi (varies)
- 7–10 years regardless of mileage — rubber ages
What's Included
- Timing belt + tensioner + idler pulleys (always together)
- Water pump replacement (it's already exposed during the job)
- New coolant — fresh OEM-spec
- Cam and crank seals replaced where applicable
- OEM-equivalent or genuine OEM parts (Aisin, Continental, Gates)
- 24-month / 24,000-mile warranty on parts and labor
Common Questions About Timing Belt
Belt vs chain, when, what's included, what it costs.
Does my car have a timing belt or a timing chain?
What happens if a timing belt breaks?
When should I replace my timing belt?
What's included in a timing belt service?
How much does a timing belt service cost in San Mateo?
Related car symptoms
Other symptom? Tap below — or walk through our triage tool .
What San Mateo Drivers Say About Engine Repair
“I had a great experience with this shop. My car was consistently overheating, and I was worried about potential engine damage. They thoroughly inspected it, confirmed the radiator…”
— Asmaa A.
Read more“Fixed an electronic issue for $250 that Toyota said would require a full replacement for $3,000. Great service and great prices.”
— Leeza K.
“I needed a very quick diagnosis and exhaust fix with my registration renewal and smog test deadline one business day ahead. Flavio and Mo rose to the occasion and took a genuine…”
— Rocky K.
Read more“Brought my BMW here after 3 other shops diagnose it and failed to fix it or even figure out the problem and Moe was a great help he figured out the issue in no time and fixed it…”
— The King O.
Read more“I highly recommend! I was in the area for a day trip when I noticed my engine light was on. Most car repair shops were closed because it was Saturday afternoon. Luckily, Beacon…”
— Rhonda B.
Read more“I don't like leaving reviews, but this place deserves it. My check engine light was on for two years, and every place I went to always told me that they didn't know what was going…”
— Joon K.
Read moreApproaching 90,000 Miles? Don't Roll the Dice.
Belt + tensioners + idlers + water pump together. The labor is already inside the engine — do them all once, not piece by piece.