1989 Geo Metro BaseFACTORY OEM SERVICE PROCEDURE

Timing Belt Interference Check Menu

TIMING BELT INTERFERENCE VERIFICATION (1)

Application Engine Replacement Interval (Miles)
Metro & Firefly (Canadian)
1989-96 1.0L 3-Cyl 60,000
1995-96 1.3L 4-Cyl 60,000
Metro (Canadian) & Firefly (Canadian)
1992-94 1.3L 4-Cyl 60,000
Prizm
1989-96 1.6L 4-Cyl 60,000
1993-96 1.8L 4-Cyl 60,000
Spectrum
1985-89 (2) 1.5L 4-Cyl 60,000
Sprint (Canadian)
1989-91 1.0L 3-Cyl 60,000
Storm
1990-91 1.6L 4-Cyl. (DOHC) 60,000
" (2) 1.6L 4-Cyl. (SOHC) 60,000
1992-93 (2) 1.6L 4-Cyl 60,000
" 1.8L 4-Cyl 60,000
Tracker
1989-95 1.6L 4-Cyl. (Calif.) (3) 60,000
" 1.6L 4-Cyl. (Exc. Calif.) (3) 60,000
1996 1.6L 4-Cyl (3) 60,000
(1) Other interference engine applications may exist which are not indicated here.
(2) Interference engine. Check for possible damage to piston(s) or valve(s) if there has been a timing belt failure.
(3) Although the vehicle manufacturer does not recommend a specific scheduled maintenance interval, aftermarket belt manufacturers suggest the belt be replaced at 60,000 mile intervals.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.