Suzuki Alto 7

Small 1.0-litre three-cylinder with port injection and a maintenance-free timing chain. Considered an exceptionally robust engine with documented service lives exceeding 250,000 km without internal damage.

• !! Timing chain wear from oil neglect from 80,000 km

  Timing chain wears prematurely when oil changes exceed 10,000 km or wrong oil (not SP-grade 5W-30) is used. Especially 2016–2017.

  Symptoms: Cold start rattle, rough idle, check engine light
  400–1,000 $
  Ad timing chain K10B Suzukichain tensioner Celerio
• !! AGS Transmission Cold Judder from 50,000 km

  The optional automated manual transmission (AGS) in the Celerio and Alto judders badly in the cold, especially when pulling away. Workshops often struggle with diagnosis. Replacement of the clutch assembly is frequently necessary.

  Symptoms: Heavy judder and hesitation when pulling away below 5 °C, perceptible jolts during gear changes, improvement once engine reaches operating temperature
  400–1,200 $
  Ad Suzuki Celerio AGS clutchSuzuki Alto AGS clutch
• !! Oil Sump Rust-Through from 100,000 km

  The K10B steel oil sump can rust through on the underside in areas exposed to stone chips and road salt. Mainly affects vehicles from wet regions or winter use without underbody protection maintenance.

  Symptoms: Oil spots on the floor despite intact seals, visible rust on the underside of the oil sump
  150–400 $
  Ad Suzuki K10B oil sumpCelerio Alto oil sump

+ 2 more engine weaknesses + vehicle weaknesses