Engine Recommended Interval
1.0L* (28)

1.3L* (48)

1.4L (1)

1.5L* 60,000 Mi.

1.6L (Chevette & 1000) 60,000 Mi.

1.6L (Lemans) 60,000 Mi.

1.6L SOHC (Nova) 60,000 Mi.

1.6L DOHC (Nova) 60,000 Mi.

1.6L* (Tracker 16 Valve) Replace 60,000 Mi.
Inspect 90,000 Mi.

1.8L Gasoline (1)

1.8L* Diesel (1)

2.0L (1)

2.2L* Diesel 60,000 Mi.

2.3L (1)

3.0L* (Catera) (29)

3.0L* (Saturn) 100,000 Mi.

3.2L* (Cadillac CTS) 100,000 Mi or 96 Mo.

3.4L (50)

* - Interference engine.

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

(28) - On models prior to 1998, manufacturer does not recommend a specific maintenance interval. On 1998 & later models, inspect at 60,000 mile intervals & replace if needed, or replace every 100,000 miles (if not previously replaced).

(29) - Replace every 100,000 miles under normal operating conditions. Replace every 60,000 miles if driven without an engine coolant heater & under ambient temperatures of –20 degrees Fahrenheit. For less, then inspect at 15,000 mile intervals. Use a Tech II or equivalent scan tool to reset Cold Start Counter.

(48) - Inspect at 60,000 miles, then replace at 100,000 miles it not previously replaced.

(50) - Inspect at 30,000 miles, replace at 60,000 miles, inspect again 90,000 miles, replace again at 120,000 miles & so on.

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