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Home › Cities › Downey › Jj's Auto Service, INC
Jj's Auto Service, INC
✓ Vehicle Safety Systems Inspection
12401 Woodruff Ave Unit 1, Downey, CA 90241
License #284529 · California state licensing records · data refresh 2026-08-03
About this brake and lamp inspection station
You'll find Jj's Auto Service, INC at 12401 Woodruff Ave Unit 1 in Downey, CA (Los Angeles County). Its state license — #284529 — is on record in California's licensing data as of 2026-08-03.
Its self-reported specialty on record: Vehicle Safety Systems Inspection. Phone: (562) 803-3030. Confirm hours by phone before heading over. Details can change between data refreshes.
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Common questions
Where is Jj's Auto Service, INC located? Jj's Auto Service, INC is at 12401 Woodruff Ave Unit 1, Downey, CA 90241, in Los Angeles County. Phone: (562) 803-3030.
What license does Jj's Auto Service, INC hold? Jj's Auto Service, INC appears in California state licensing records under license #284529 (data refresh 2026-08-03).
How long do brake pads last? Brake pads typically last 30,000-70,000 miles — driving style and terrain are the biggest variables.
City stop-and-go driving wears pads 2-3x faster than highway Heavier vehicles put more load on brake components Quality of pad compound affects longevity significantly Front pads wear faster than rear on most vehicles California hills and canyon driving accelerate wear Per ASE technician guidelines and brake manufacturer data.
What are the signs I need new brakes? Squealing or grinding sounds, vibration in the pedal, longer stopping distances, or a spongy pedal are the primary warning signs.
Squealing = wear indicators touching rotor (replace soon) Grinding = metal-on-metal (replace immediately) Pulsation or vibration often means warped rotors Soft/spongy pedal may indicate hydraulic issue, not just pads Dashboard brake warning light is always immediate action Per ASE brake inspection standards and NHTSA guidance.