Geo

GEO

1.0L {1}
1.3L Replace Every 100,000 Miles
1.5L Replace Every 60,000 Miles
1.6L (Prizm) {26}
1.6L (Storm) Replace Every 60,000 Miles
1.6L (Tracker) {30}
1.8L {26}

 

Interference/non-interference

1.0L Interference
1.3L Interference
1.5L Interference
1.6L DOHC (1989-92 Prizm GSI) Free-Wheeling
1.6L DOHC (1989-97 Prizm Except 1989-92 GSI) Interference
1.6L DOHC (Storm) Interference
1.6L SOHC (Prizm) Free-Wheeling
1.6L SOHC (Storm) Free-Wheeling
1.6L SOHC 8 Valve Engine (Tracker) Free-Wheeling
1.6L SOHC 16 Valve Engine (Tracker) Interference
1.8L DOHC (Prizm) Interference
1.8L DOHC (Storm) Interference

 

 

(1) - Manufacturer does not recommend a specific maintenance interval.

(26) - On 1989-95 engines operated under normal service, manufacturer does not recommend a specific maintenance interval. On 1996-97 engines operated under normal service, replace every 90,000 miles or 72 months. On all engines operated under severe conditions, replace at 60,000 mile intervals.

(30) - On 1989-94 models, manufacturer does not recommend a specific maintenance interval. On 1995-2001 models, replace every 100,000 miles.