2020 Subaru Outback: Brakes, Plugs & a Very Dirty Throttle Body

2020 Subaru Outback 2.5L · about 50,000 miles · September 2026 · mobile repair in the Flagstaff area

The problem

The owner had already bought genuine Subaru parts and wanted the work done at home: front brake pads and rotors, spark plugs, PCV valve and hose, and a MAF sensor and throttle body cleaning.

What we found

During the cleaning, the MAF sensor had only light debris — nothing concerning — but the throttle body was significantly dirty.

What we did

Replaced the front pads and rotors (caliper bracket bolts 99.6 ft-lb, slide pins 25 ft-lb, lug nuts 89 ft-lb), replaced the spark plugs (14 ft-lb), replaced the PCV valve and connector hose, and cleaned the MAF sensor and throttle body with the CRC cleaners made for each.

The result

Everything done in one visit at the owner's home with the owner's own parts, torqued to spec.

Front brake before: worn rotor and padsFront brake after: new rotor and padsThrottle body before cleaningThrottle body after cleaningOld and new spark plugsHub and dust shield with the old rotor offCleaning the caliper bracket before reassemblyNew pads in the caliper bracketNew PCV valve and connector hoseThe old spark plugs

The takeaway

Customer-supplied parts are welcome. And a throttle body can get dirty well before 60k miles — cleaning it is quick while you're already in there.

Mobile Brake Repair in Flagstaff — pricing

Call or text 480-757-0476 · Book online

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